Universal Steam traps

Transcription

1 Universal Steam traps For an extensive range of applications Pressure rating: up to 4 psi.g NPS 3 /8 3 (N 8)

2 VELN OMPNY PROFILE Velan T GLNE History Founded in 95 Sales Over $45 million People Over,8 employees Product line world-leading range of valves across all major industrial applications: ast steel gate, globe, check, and ball valves Forged steel gate, globe, check, and ball valves Triple-offset butterfly valves Knife gate valves Severe service valves ellows seal valves Steam traps Quality ll major certifications and approvals SME N stamp and NPT for nuclear valves (since 97) ISO 9 (since 99) urrently certified to ISO 9:8 PE GOST (TR and RTN) PI 6 and PI 6 T-Luft Quality programs fully compliant with ISO-9, N 4, SME NQ- and FR 5 ppendix, surveyed by SME and audited by NUPI, Northrop Grumman Newport News, M, utilities, architect/ engineers, and other organizations from around the world Headquartered in Montreal, Velan has several international subsidiaries. For general inquiries: Velan head office: 77 ôte de Liesse, Montreal, Q H4T G2 anada Tel: Fax: heck our website for more specific contact information. Velan is one of the world s leading manufacturers of industrial steel valves, supplying gate, globe, check, ball, tripleoffset butterfly, knife gate, control, and highly engineered severe service valves for critical applications in the chemical, petrochemical, oil and gas, fossil and nuclear power, cogeneration, pulp and paper, mining, marine and cryogenic industries. The company also supplies actuators and integrated control packages. Founded in 95, Velan has earned a reputation for product excellence and innovation by bringing to the market superior products with special emphasis on quality, safety, ease of operation, and long service life. Velan valves have an extremely broad installation base and are approved by major companies worldwide. Velan concentrates on one business the design, manufacture and marketing of steel valves in a broad range of types and sizes for high performance service in a wide range of applications. The company s talented people are focused on Velan s core values of quality, reliability, innovation, and integrity and mission to be the world s leading valve brand. For more specific information concerning steam traps: Velan Valves Ltd. Unit, Pinfold Road, Thurmaston, Leicester, LE4 8S England Tel: Fax: sales@velan.co.uk Table of contents Manufacturing plants... 3 Principles of operation How it works Forged bimetallic steam traps, Types TS, TSF, and SF imetallic steam traps, Type SSF... 2, 7 Forged HP/HT steam traps, Type N... 2, 5-7 Hermetically sealed steam traps, Types Q25 and UST Velan connectors... 2 High capacity piston operated steam traps Types SP and SPF Piping King package units Monovalve float bimetallic steam traps, Types MFT and MFTS Thermodynamic steam traps, Types VTS, HPT, VTS, and VT ompressed air drain traps, Types MF and MFS Strainers ccessories omparison of principles of operation Selection - sizing Steam tables How to order Velan Inc., Montreal, Q, anada. ll rights reserved. The contents hereof are confidential and proprietary to Velan. ny unauthorized reproduction or disclosure, in whole or in part, is strictly prohibited. Velan reserves the right to change this information without notice. Velan does not accept any liability or damages arising from the use of information in this catalog. Velan Valves, Velan Inc., Memoryseal, Securaseal, Torqseal, Proquip, Velflex, daxie, and RM are trademarks or registered trademarks of Velan Inc. and/or another Velan company. Stellite is a registered trademark of Kennametal Stellite, a wholly owned subsidiary of Kennametal Inc. ll other trademarks and registered trademarks are owned by their respective companies. 2 Velan reserves the right to change this information without notice. 22 Velan Inc. ll rights reserved.

3 VELN global network Head office 5 production facilities 4 stocking and distribution centers 5 plants in North merica Hundreds of distributors worldwide 6 plants in Europe Over 6 service shops worldwide Montreal, anada Velan Inc. 4 plants in sia Manufacturing Plants istribution centers North merica Europe sia Montreal, anada Velan Inc., Plant Lyon, France Velan S..S. nsan ity, South Korea Velan Ltd., Plant Granby, anada VelN Montreal, anada Velan Inc., Plant 2 and 7 Mennecy, France Segault S.. nsan ity, South Korea Velan Ltd., Plant 2 enicia,, US VelL Granby, anada Velan Inc., Plant 4 and 6 Leicester, UK Velan Valves Ltd. Taichung, Taiwan Velan Valvac Mfg. o., Ltd. Marietta, G, U.S.. VelEST Montreal, anada Velan Inc., Plant 5 Lisbon, Portugal Velan Válvulas Industriais, Lda. Suzhou, hina Velan Valve (Suzhou) o., Ltd. Willich, Germany Velan GmbH Williston, VT, US Velan Valve orp., Plant 3 Lucca, Italy Velan V S.p.., Plant Lucca, Italy Velan V S.p.., Plant 2 SME N-stamp accredited manufacturer Velan reserves the right to change this information without notice. 22 Velan Inc. ll rights reserved. 3

4 principles of operation The Original multi-segmented bimetal principle actuates Velan steam traps wht is IMETL? imetal is a composite metal comprising two or more metallic layers with different coefficients of expansion, which changes curvature when subjected to heat. Velan steam traps use a bimetal of high tensile strength, stable at high temperature with deflection limited to 6 F (35 ) to prevent over-stressing in super-heated steam service. eflection & Pull Temperature F ( ) 52 (27) 6 (35) 5 (565) THE LOSING FORE OF THE IMETLLI ELEMENTs FOLLOws the STURTE STEM URVE The force of line pressure acting on the valve ball holds it open when condensate or air is in the trap. Line pressure as well as valve and orifice diameter determine this force. For a /2 (2.7 mm) orifice at 5 psi.g (.3 bar.g) line pressure develops a force of 3 lb (34 N). To close the valve on steam the bimetallic element must develop a pull of at least 35 lb (56 N) with three segments. The patented Velan multi-segment design was developed so that the thermal pull of the bimetal element would closely follow the saturated steam curve and use only the portion of the element required to overcome the opening force at saturated steam temperature. non-segmented bimetallic element would have a straight-line characteristic and the trap would only react to large temperature differentials, whereas the Velan two or three segmented element automatically compensates for any pressure condition within its range, and maintains the sensitivity to release condensate at below steam temperature without loss of steam. hart illustrates the truly universal operating principle behind the Velan steam trap. Each segment acts consecutively, covering the complete operating pressure range without adjustment or orifice change. With a single element the temperature differential to open the steam trap would be (66 F/37 ) instead of (8 F/4.4 ) and the required closing force would be (2 lb/9 N) instead of (5 lb/22 N) N hart Operating principle of Velan steam traps lb Pull of bimetal on 3 segments Single element Multielement Steam Temperature. Free deflection up to 22 F ( ) 2. One segment pulling -4 psi.g (-2.8 bar.g) up to 287 F (42 ) 3. Two segments pulling 4-2 psi.g ( bar.g) up to 35 F (77 ) 4. Three segments pulling 2-35 psi.g ( bar.g) up to 44 F (227 ) psi.g Steam pressure bar.g 4 Velan reserves the right to change this information without notice. 22 Velan Inc. ll rights reserved.

5 N principles of operation The Velan patented bimetal principle as applied to meet various requirements universal steam trap principle hart 2 illustrates the bimetal closing force developed at saturated temperature in relation to the line pressure tending to open the valve. The gradual increase in force, following the steam curve, is a function of the patented segmentation principle of the element. The delicate balance of opening and closing forces exists in all pressure ranges such as -, -35, -6, - psi.g (-4, -2, -4, -3 bar.g), and produces complete universal operation throughout the pressure range without orifice change. See page 4 for more details. Steam pressure hart 2 The patented multi-element principle bar.g psi.g Element, 2 & 3 Element & 2 Element 2 3 Saturated steam steam curve curve lb Element closing forces e Steam temperature hart 3 The patented multi-element principle combined with a float. float bimetallic principle hart 3 illustrates the operation of the combination of a bimetal and float element used in the float/bimetallic series. In this principle, the bimetal is used to close the valve at saturated temperature or release cool air in the system. However a small accumulation of condensate in the trap body lifts the float and opens the discharge valve. No temperature depression is required for this process and, as a result, the characteristic is identical to the saturated steam curve. The steam trap shuts off in the presence of steam and opens at once in the presence of condensate even at saturated steam temperature. Steam pressure 5 5 bar.g psi.g Saturated steam steam curve curve lb 5 5 N Element closing forces See page 7 for more details Steam temperature Velan reserves the right to change this information without notice. 22 Velan Inc. ll rights reserved. 5

6 how it works The four purpose valve and its function in the Velan universal bimetallic steam trap fast warm up The discharge valve is open, allowing air and cold water to be discharged rapidly. The period of waiting to start a process is reduced to minutes there is no air binding, water-logging, or steam locking to delay equipment warm up. ctual tests show that up to 2 /2 hours may be saved on each warmup because Velan steam traps have a much greater venting capacity than other traps, due to it s large orifice. positive trapping Incoming steam causes the bimetal to deflect. This thermal pull of the bimetal element acts on the valve stem, overcoming the steam pressure closing the valve. The ball valve is pulled tightly on to its seat, preventing weeping and loss of live steam. The thermal pull increases or decreases as a function of temperature, in the same relation as the temperature and pressure of the saturated steam. The same element can be used for varying steam pressures within wide pressure ranges. TRPPING RINING I STEP II STEP cting valve area Thermal pull losing force Unbalanced pressure Opening force Pressure action on orifice Pressure action on full valve area ifferential pressure Pressure balanced valve closed Pressure cracks valve and releases flow Pressure opens valve completely acting on full valve area two-step RINGE When steam condenses into water, the thermal pull of the bimetal is gradually reduced until the line pressure on the valve releases it from the valve seat and allows condensate to be discharged. This is the first step in the smooth and quick opening of the valve, without noise or violent action. When the flow is released, the unbalanced pressure acts on the full valve area. The force to overcome the thermal pull increases and opens the orifice to full capacity. check valve action ack pressure in the discharge pipe, a sudden drop or rapid fluctuation in steam pressure, or discharging to overhead lines causes back flow of condensate. To prevent this possible back flow of condensate entering the equipment when it s not in service, separate check valves have to be installed as near to the trap as possible. In Velan steam traps, the discharge valve in the trap acts as a check valve, thereby providing full back flow control. 6 Velan reserves the right to change this information without notice. 22 Velan Inc. ll rights reserved.

7 how it works The four purpose valve and its function in the Velan piston operated and the monovalve float bimetallic steam trap piston operated ool air and condensate from the system is discharged through the large main valve orifice actuated by the piston, which is held open by it s own weight when cold. s line pressure builds up, pressure above the piston keeps the valve open at maximum discharge until the system is completely purged of air and condensate. Incoming steam contacting the bimetal element closes the pilot valve, thereby reducing the pressure acting on the piston. Line pressure below the main valve closes it tightly but smoothly, due to the partial pressure remaining in the piston chamber. Pilot Valve MONOVLVE Float bimetallic FST warm up Piston Main Valve positive trapping learing air and moisture from a cold system rapidly reduces warm up time and increases production. While other ther float traps must have a separate air venting facility, Velan s MFT utilizes the large main orifice for the fastest warm up time of any comparably sized float trap. When condensate is discharged, the float mechanism rests on the trap body. The bimetal element alone closes the valve with thermal power developed by incoming steam. The bimetal element is a function of the saturated steam curve, and therefore operates efficiently at any pressure within its range. When condensate and air collect in the trap body, the bimetal force is reduced, and line pressure opens the pilot valve, pressurizing the piston chamber and forcing the main valve open against line pressure by virtue of the greater piston area. Excess back pressure, a drop in line pressure, or discharging to overhead return lines can cause a reverse flow of condensate through the trap. Normally, separate check valves are required to prevent this occurrence. The Velan type SP main discharge valve also works as a temporary piston check valve and prevents back flow. condensate discharge check VLVE action If condensate builds up in the trap body, the float becomes buoyant and opens the valve to unrestricted flow. ondensate even at steam temperature is discharged at the same rate as it reaches the trap. There is no air binding or water logging even in adverse conditions. The trap drains by gravity and will not freeze. When pressure is off, equipment discharging to a common return, or where condensate is returned to overhead lines, a check valve is required to prevent reverse flow through the trap. The free-floating MFT mechanism shuts immediately the reverse flow and no additional device is required. Velan reserves the right to change this information without notice. 22 Velan Inc. ll rights reserved. 7

8 VELN forged bimetallic ge Unit steam traps age unit on type ts, tsf, and sf age Unit The advanced cage unit design in Velan steam traps combines a bimetal element, hardened Rc 58 min. ball valve, and a or alloy hardfaced seat area all in one factory-tested assembly. Replacement of all wearing parts can be achieved in less than two minutes, with the trap remaining in-line. SERVIE: 2 MINUTES TO REPLE GE UNIT ts, tsf, and sf esign FETURES Forged valve body and cover offer the advantages of high strength, structural integrity and reliability that make it an ideal choice for steam service. Stainless steel trim Seat or alloy hardfaced Increases resistance to the high degree of wear through velocity of flow, dirt, and scale. Integral strainer (F) Stainless steel screens are integral in all three models to protect the trap operating mechanism from damage by dirt or scale. No extra fittings or installation costs are required. Free strainer area minimum 5 to. Perforation is.3 (.8 mm). Unique operation The individual segments of the bimetallic element act consecutively, developing forces in close relation to the saturated steam curve. This permits sensitive, efficient trap operation at all pressures from psi.g to maximum, without orifice change. Silent operation No violent line shocks. Positive closing Every Velan steam trap closes tightly on saturated steam temperature. Positive closing for long periods on dry superheated steam has enormous advantages in power plant and marine service. ll-position operation simplifies piping layout. Freeze-proof Velan traps do not require a reservoir of priming water in the body to operate. When installed vertically with inlet on top, they drain completely when cold, and are freeze-proof without insulation. Positive condensate drainage for process work. Optional temperature controller on SF n ingenious device that allows adjustment of factory setting under full steam pressure. ondensate discharge temperature can be increased or decreased to meet the specific requirements of any process application. Up to 3% of energy can be saved by extracting the sensible heat of steam. Other options include: Strainer blowdown valve. Piping King Units complete with valving. NOTE: or alloy as used throughout this catalog refers to cobalt chrome hardfacing alloys as supplied by Kennametal Stellite, and other approved manufacturers. 8 Velan reserves the right to change this information without notice. 22 Velan Inc. ll rights reserved.

9 Type TS L Engineering T PRESSURE RNGE (2) -2 (-.4) -2 (-8) -25 (-7) -3 (-2) PMO 2 (.4) 2 (8) 25 (7) 3 (2) VELN forged TS steam traps MTERIL 5 MX TEMP F/ 85 () 454 ORIFIE 3 / / /6 8 5 /6 8 Standard MTERILS PRT MTERILS ody Forged carbon steel 5 (. Max..25) over Same as body material imetal element Truflex G-4 over gasket SS 36 core with graphite seal E over bolt hrome moly. alloy 7 F Strainer Stainless steel G Stem and ball SS, ball valve 58 Rc min. H age unit gasket SS 36 core with graphite seal I Self-lock adjusting nut Stainless steel J Fixing screw Stainless steel K imetal holder () Stainless steel L Plug 3 /8 NPT arbon steel () Seat hardfaced or alloy. MX PITY 8 364,65 75, 682,7 773 () Permissible, but not recommended for prolonged use above 8 F (426 ). (2) Product will operate throughout entire pressure range, however selection closest to the Maximum operating pressure is recommended for maximum efficiency. E J learance for strainer removal: TS 4 /8 in (5 mm) min. F G I K H IMENSIONS and WEIGHTS Size NPS/N 3 /8 /2 3 / Maximum body design condition: PM = Maximum allowable pressure: NSI/SME 3 (5) TM = Maximum allowable temperature: 8 F (425 ) F 38 ) Maximum cold hydrostatic test pressure: 25psi.g (77bar.g) PMO = Maximum operating pressure: TMO = Maximum operating temperature = TM PPLITIONS oiler headers, steam mains, branch lines, tracer lines, sterilizers and finned radiation. onnections Screwed Socket-weld utt-weld Flanged (see Engineering data table) Weight Face to Face lb/kg enter to enter SR/SW W FLG bottom to top SR/SW W FLG / / / ONENSTE PITY ifferential pressure bar.g The performance graph indicates the continuous discharge capacities of condensate per hour at various pressure differentials across the trap. Pressure / Temperature Limits apacity lb/hr TS2/TS2 TS25/TS ifferential pressure psi.g Maximum cold water capacity x apacity kg/hr Temperature F Pressure bar.g prolonged use above 8 F SUPERHETE STEM Steam saturation curve TS 2 TS 25 TS 3 Trap shell Pressure/temperature curve use in this region Pressure psi.g Pressure limit for trap type Temperature Velan reserves the right to change this information without notice. 22 Velan Inc. ll rights reserved. 9

10 E J Type TSF ENGINEERING T RanGe (2) - (-4) -485 (-33.5) L PMo (4) 485 (33.5) F VELN FORgEd tsf stem trps MaTeRIal 5 I G TeMP f/ c 85 () 454 K H STNR MTERILS prt MTERILS ody Forged carbon steel 5 (. Max..25) over Same as body material imetal element Truflex G-4 over gasket SS 32 spiral wound with graphite filler E over bolt hrome moly. alloy F Strainer Stainless steel G Stem and ball SS, ball valve 58 Rc min. H age unit gasket SS 32 spiral wound with graphite filler I Self-lock adjusting nut Stainless steel J Fixing screw Stainless steel k imetal holder () Stainless steel L Plug 3 /8 NPT arbon steel orifice 3 /8 9.5 /4 6.4 () Seat hardfaced or alloy. capacity 2, 99,4 636 () Permissible, but not recommended for prolonged use above 8 F (426 ). (2) Product will operate throughout entire pressure range, however selection closest to the Maximum operating pressure is recommended for maximum efficiency. pplitions oiler headers, steam mains, branch lines and tracer lines. ONNETIONS Screwed Socket-weld utt-weld Flanged Maximum body design condition: NSI/SME 4 PM = Maximum allowable pressure: 99psi.g@ F (68bar.g@38 ) TM = Maximum allowable temperature: 8 F (427 ) Maximum cold hydrostatic test pressure: psi.g (3 bar.g) TMO = Maximum operating temperature = TM PMO = Maximum operating pressure: (See Engineering data table) learance for strainer removal: SF 4½ in (4 mm) min. IMENSIONS N weights nps/n /2 3 /4 5 2 a b c WeIGHT face To face center To center lb/kg scr/sw bw flg bottom To ToP scr/sw bw flg 4 3 /8 3 / / / apacity lb/hr 3 conensate capacity ifferential pressure bar TSF TSF apacity kg/hr The performance graph indicates the continuous discharge capacities of condensate per hour at various pressure differentials across the trap. Temperature F prolonged use above 8 F SUPERHETE STEM TSF / TeMPeRaTURe limits Steam saturation curve Pressure bar.g TSF 485 use in this region Trap shell Pressure/temperature curve Temperature ifferential pressure psi Maximum cold water capacity x Pressure psi.g Pressure limit for trap type Velan reserves the right to change this information without notice. 22 Velan Inc. ll rights reserved.

11 Type SF ENGINEERING T RanGe (2) -5 (-3.5) -5 (-.4) -3 (-2) apacity lb/hr E J PMo (4) 485 (33.5) 3 (2) L VELN FORgEd sf stem trps F MaTeRIal 5 SF5 I G TeMP f/ c K H STNR MTERILS prt MTERILS ody Forged carbon steel 5 (. Max..25) over Same as body material imetal element Truflex G-4 over gasket SS 36 core with graphite seal E over bolt () hrome moly. alloy F Strainer Stainless steel G Stem and ball SS, ball valve 58 Rc min. H age unit gasket SS 36 core with graphite seal I Self-lock adjusting nut Stainless steel J Fixing screw Stainless steel k imetal holder (2) Stainless steel L Plug 3 /8 NPT arbon steel () 7-NSI LSS 3, S637- NSI LSS 4. (2) Seat hardfaced or alloy. orifice capacity 3, ,25,477 4, 2,45 () Permissible, but not recommended for prolonged use above 8 F (427 ). (2) Product will operate throughout entire pressure range, however selection closest to the Maximum operating pressure is recommended for maximum efficiency. learance for strainer removal: SF 6 in (52 mm) min. conensate capacity RanGe -4 (-28) -6 (-42) PMo MaTeRIal TeMP f/ c pplitions oiler headers, steam mains, branch lines, steam separators and intermediate stage turbine drains. ONNETIONS Screwed Socket-weld utt-weld Flanged orifice capacity 3,,49 2,6,82 3 /4 4 3 /8 9 (28) 85 () 5 85 () 9.5 / / (42) 8 /2 Maximum body design condition: NSI/SME 3 (7) 2.7 PM = Maximum allowable pressure: F 38 ) Maximum cold hydrostatic test pressure: 25psi.g (77bar.g) Maximum body design condition: NSI/SME 4 (S637) PM = Maximum allowable pressure: F 38 ) Maximum cold hydrostatic test pressure: psi.g (3bar.g) TM = Maximum allowable temperature: 8 F (425 ) PMO = Maximum operating pressure: (see Engineering data table) IMENSIONS N weights TMO = Maximum operating temperature = TM a b c WeIGHT face To face center To center lb/kg nps/n scr/sw bw flg bottom To ToP scr/sw bw flg /2 3 /4 6 /8 2 /8 8 /8 () 2 /8 4 3 / (2) () SF3/6 FLG: 9 /8 in (232 mm). (2) SF3/6 FLG: 23lb (.4KG). ifferential pressure bar SF5/3 SF4 SF6 4 3 apacity kg/hr The performance graph indicates the continuous discharge capacities of condensate per hour at various pressure differentials across the trap. / TeMPeRaTURe limits Pressure bar.g prolonged use above 8 F Temperature F SUPERHETE STEM Steam saturation curve Trap shell Pressure/temperature curve use in this region Temperature ifferential pressure psi Maximum cold water capacity x SF 5 SF 5 SF 3 SF 4 SF 6 38 URVE URVE Pressure limit for trap type Pressure psi.g bolting: SME S93 7 urve : nsi 3, SME S637 N778 urve 2: nsi 4 Velan reserves the right to change this information without notice. 22 Velan Inc. ll rights reserved.

12 VELN bimetallic steam traps bimetallic element on type ssf, n5, n675, n9, n2, n26, and n4 imetal Element The individual segments of the bimetallic element act consecutively, developing forces in close relation to the saturated steam curve. This permits sensitive, efficient trap operation at all pressures. Separate seat Screwed 6 psi Welded > 6 psi ommon esign Features utomatic air venting: Good discharge capacity ir and cold condensate is discharged through a full orifice efficiently ensuring fast warm-up of equipment. Integral strainer n integral stainless steel strainer protects the trap operating mechanism from damage by dirt or scale. No extra fittings or installation costs are required. Free strainer area minimum 5 to. Perforation is.3 (.8 mm). ll-position installation Simplifies piping layout. Silent operation No violent line shocks. Freeze-proof in vertical position: Inlet on top Without insulation complete drainage when cold. Positive closing Every Velan trap closes tightly on saturated steam temperature. Positive closing for long periods on dry superheated steam has enormous advantages in power plant and marine service. Seat or alloy hardfaced Increases resistance to the high degree of wear through velocity of flow, dirt, and scale. Positive condensate drainage Silent operation No violent line shocks. Trim Stainless steel with ball 58 Rc min. TYPE SSF Features Easy internal maintenance The removal of the body cover provides easy access to the bimetallic element and seat. The removal of the strainer cover permits quick and easy removal of the strainer. Optional temperature controller n ingenious device that can be adapted to most Velan models permits adjustment of factory settings under full steam pressure. ondensate discharge temperature can be increased or decreased to meet the specific requirements of any process application. Up to 3% of energy can be saved by extracting the sensible heat of steam. Optional extras Thermometer, strainer blowdown valve and Piping King Units complete with valving. Type N esign FETURES Easy access to all the internal operating parts when the body cover is removed. Forged valve body and cover offer the advantages of high strength, structural integrity and reliability that make it an ideal choice for steam service. Other options NPT blow down plug, strainer blowdown valve and Piping King Unit with all valving. 2 Velan reserves the right to change this information without notice. 22 Velan Inc. ll rights reserved.

13 J E Type SSF VELN bimetallic SSF steam traps L F G K N Standard MTERILS PRT MTERILS ody ast carbon steel W (. Max..25) over arbon steel imetal element Truflex G-4 over gasket SS 32 spiral wound with graphite filler E over stud hrome moly. alloy 7 F over nut arbon steel 2H G Strainer Stainless steel H Stem and ball SS, ball valve 58Rc I Seat SS hardfaced or alloy J Strainer cover gasket SS 32 spiral wound with graphite filler K djusting nut and locknut Stainless steel L Strainer blow down plug arbon steel M Fixing screw and washer Stainless steel PPLITIONS oiler headers, steam mains, branch lines, steam separators, oil storage tank coils, purifiers, de-superheater drains, reboilers, feed water heaters, heat exchangers and cold reheat drains. onnections Screwed Socket-weld utt-weld Flanged Engineering T PRESSURE Maximum body design condition: NSI/SME 4 RNGE (2) PMO MX MTERIL TEMP ORIFIE MX PITY PM = Maximum allowable pressure: 99psi.g@ F (68bar.g@38 ) F/ TM = Maximum allowable temperature: 8 F (427 ) ,75 (-8.5) (8.5) 25 2,68 Maximum cold hydrostatic test pressure: psi.g (3bar.g) - 7 /8 6,4 TMO = Maximum operating temperature = TM (-4) (4) W 85 () 22 2, /6 5,3 PMO = Maximum operating pressure: (See Engineering data table) (-28) (28) 4 2,49-6 (-42) 6 (42) / , 2,36 () Permissible, but not recommended for prolonged use above 8 F (427 ). (2) Product will operate throughout entire pressure range, however selection closest to the Maximum operating pressure is recommended for maximum efficiency. IMENSIONS and WEIGHTS TYPE Size Weight lb/kg Face to Face NPS/N enter to bottom enter to top SR/SW W FLG SR/SW W FLG SSF /4 5 3 /8 3 / learance for strainer removal: 9 in (229 mm) min. SSF SSF 4 SSF 6 I / H apacity lb/h ONENSTE PITY ifferential pressure bar SSF 25 SSF SSF 4 SSF 6 3 apacity kg/h The performance graph indicates the continuous discharge capacities of condensate per hour at various pressure differentials across the trap. Temperature F Pressure bar.g prolonged use above 8 F Pressure / Temperature Limits SUPERHETE STEM Steam saturation curve Trap shell Pressure/temperature curve use in this region Temperature 93 5 ifferential pressure psi Maximum cold water capacity x SSF 25 SSF SSF 4 SSF Pressure psi.g Pressure limit for trap type 38 Velan reserves the right to change this information without notice. 22 Velan Inc. ll rights reserved. 3

14 VELN FORgEd bimetlli N5 3 stem trps F E G N ENGINEERING T RanGe (3) -5 (-.5) -3 (-2) L J M Type N5/3 PMo 5 (.5) 3 (2) MaTeRIal K H I TeMP f/ c 5 () 85 (2) 454 STNR MTERILS prt MTERILS ody Forged carbon steel 5 (. Max..25) Forged alloy steel F22 over Same as body material imetal element Truflex G-4 over gasket SS 32 spiral wound with graphite filler E over stud () hrome moly. alloy F over nut () arbon steel, alloy steel G Strainer Stainless steel H Stem and ball SS, ball valve 58Rc I Seat SS hardfaced or alloy J Plug gasket SS 32 spiral wound with graphite filler k djusting nut and locknut Stainless steel L Strainer blow down plug arbon steel or chrome moly. steel M Fixing screw and washer Stainless steel N Fixing screw and washer Stainless steel () 7/2H (5), 6/Gr.4 (F22). orifice /2 2.7 capacity 2,8,272 3,,59 pplitions oiler headers, steam mains, branch lines, soot blower drains and intermediate stage turbine drains. ONNETIONS Screwed Socket-weld utt-weld Flanged Maximum body design condition: NSI/SME 4 PM = Maximum allowable pressure: psi.g@ F (69bar.g@38 ) TM = Maximum allowable temperature: 8 F (427 ) 5 5F (565) F22 Maximum cold hydrostatic test pressure: psi.g (3bar.g) TMO = Maximum operating temperature = TM PMO = Maximum operating pressure: (See Engineering data table) () lso available in F22, max temp. 5 F (565 ). (2) Permissible, but not recommended for prolonged use above 8 F (426 ). (3) Product will operate throughout entire pressure range, however selection closest to the Maximum operating pressure is recommended for maximum efficiency. learance for Strainer Removal: N5/3; 5½ in(4 mm) min. IMENSIONS N weights a b c WeIGHT face To face lb/kg center To center nps/n scr/sw bw flg bottom To ToP scr/sw bw flg /2 5 3 / / /4 337 / / conensate capacity ifferential pressure bar The performance graph indicates the continuous discharge capacities of condensate per hour at various pressure differentials across the trap. / TeMPeRaTURe limits Pressure bar.g apacity lb/h N5/N3 4 3 apacity kg/h Temperature F prolonged use above 8 F SUPERHETE STEM use in this region Trap shell Pressure/temperature curve F Temperature 3 Steam saturation curve ifferential pressure psi 27 3 N5 N3 4 6 Pressure psi.g 38 8 Maximum cold water capacity x Pressure limit for trap type 4 Velan reserves the right to change this information without notice. 22 Velan Inc. ll rights reserved.

15 F E G N Engineering T PRESSURE RNGE (3) -675 (-46.5) -9 (-62) - (-3) L J M PMO MTERIL MX TEMP F/ Standard MTERILS PRT MTERILS ody Forged carbon steel 5 (. Max..25) Forged alloy steel F22 over Same as body material imetal element Truflex G-4 over gasket SS 32 spiral wound with graphite filler E over stud () hrome moly. alloy F over nut () arbon steel, Stainless steel G Strainer Stainless steel H Stem and ball SS, ball valve 58Rc I Seat SS hardfaced or alloy J Plug gasket SS 32 spiral wound with graphite filler K djusting nut and locknut Stainless steel L Strainer blow down plug arbon steel or chrome moly. steel M Test plug arbon steel or chrome moly. steel N Fixing screw and washer Stainless steel () 7/2H (5), 6/Gr.4 (F22), S637 bolting for NSI/SME class shell. ORIFIE /6 (46.5) () 85 (2) (62) 454 /4 6.4 (3) MX PITY 2,9,35, , 955 () lso available in: F22, max temp. 5 F (565 ). (2) Permissible, but not recommended for prolonged use above 8 F (426 ). (3) Product will operate throughout entire pressure range, however selection closest to the Maximum operating pressure is recommended for maximum efficiency. VELN forged HP/HT N675 stem trps Type N675- learance for strainer removal: N675/; 5½ in(4 mm) min. K H I Standard bolting: 7/6 PM = Maximum allowable pressure: 83psi.g@ F (26bar.g@38 ) TM = Maximum allowable temperature: 8 F (427 ) 5 5 F (565 ) F22 Maximum cold hydrostatic test pressure: 275psi.g (9bar.g) TMO = Maximum operating temperature = TM PMO = Maximum operating pressure: (See Engineering data table) Special bolting: S637 Maximum design condition: NSI/SME PM = Maximum allowable pressure: 375psi.g@ F (255bar.g@38 ) 5 375psi.g@ F (258bar.g@38 ) F22 Maximum cold hydrostatic test pressure: 5575psi.g (384bar.g) psi.g (388bar.g) F22 IMENSIONS and WEIGHTS Weight Size Face to Face lb/kg enter to enter NPS/N SR/SW W FLG bottom to top SR/SW W FLG /2 5 3 / / /4 337 / PPLITIONS oiler headers, steam mains, branch lines, soot blower drains and intermediate stage turbine drains. 4 /2 5 onnections Screwed Socket-weld utt-weld Flanged apacity lb/h 6. ifferential pressure bar Maximum cold water capacity x 3.5 ONENSTE PITY N675 N9/N 5 5 ifferential pressure psi apacity kg/h The performance graph indicates the continuous discharge capacities of condensate per hour at various pressure differentials across the trap. Temperature F Pressure / Temperature Limits Pressure bar.g prolonged use above 8 F SUPERHETE STEM Steam saturation curve N675 N9 6 N Trap shell Pressure/temperature curve Pressure psi.g Pressure limit for trap type 7 ST olting use in this region 5 S637 F22 S Temperature Velan reserves the right to change this information without notice. 22 Velan Inc. ll rights reserved. 5

16 N G VELN FORgEd hp/ht N2 26 stem trps Type N2/26 ENGINEERING T RanGe () -2 ( ) -26 ( ) F E PMo MaTeRIal M learance for strainer removal: N2/26; 5 in (38 mm) min. TeMP f/ c H K I orifice 2 F22 5 (72) /6 26 F9 8 (79) 593 () onsult works for operating pressure below psi.g (34.5 bar.g). STNR MTERILS prt MTERILS ody Forged alloy steel F22, F9 over Same as body material imetal element Truflex G-4 over gasket SS 32 spiral wound with graphite filler E over stud () hrome moly. alloy F over nut () arbon steel, stainless steel G Strainer Stainless steel H Stem and ball SS, ball valve 58Rc I Seat SS hardfaced or alloy J Plug gasket SS 32 spiral wound with graphite filler k djusting nut and locknut Stainless steel L Strainer blow down plug arbon steel or chrome moly. steel M Test plug arbon steel or chrome moly. steel N Fixing screw and washer Stainless steel () urahete 55 (F22), Nimonic 8 (F9), S637 bolting for NSI/SME class 2 shell. capacity 4,8 2,82 4,9 2,227 IMENSIONS N weights /2 5 nps/n 3 / pplitions oiler headers, steam mains and branch lines. ONNETIONS Screwed Socket-weld utt-weld Flanged standard bolting: URaHeTe 55 f22, nimonic 8a f9 Maximum design condition: NSI/SME lass PM = Maximum allowable pressure: 375psi.g@ F (259bar.g@38 ) TM = Maximum allowable temperature: 5 F (565 ) F22 F (593 ) F9 Maximum cold hydrostatic test pressure: 5625psi.g (388bar.g) TMO = Maximum operating temperature = TM PMO = Maximum operating pressure: (See Engineering data table) special bolting: sb637 Maximum design condition: NSI/SME 2 PM = Maximum allowable pressure: 625psi.g@ F (43bar.g@38 ) Maximum cold hydrostatic test pressure: 9375psi.g (647bar.g) a WeIGHT face To face b c lb/kg center To center sw bw flg bottom To ToP sw bw flg / / / conensate capacity ifferential pressure bar The performance graph indicates the continuous discharge capacities of condensate per hour at various pressure differentials across the trap. apacity lb/h 4 3 N2/N26 3 ifferential pressure psi Maximum cold water capacity x 3.5 apacity kg/h Temperature F / TeMPeRaTURe limits F22 Steam saturation curve F22 N2-F22 N26-F9 Pressure bar.g F9 Trap shell Pressure/temperature curve use in this region 93 Standard 38 bolting Pressure psi.g Pressure limit for trap type F9 Special bolting S Temperature 6 Velan reserves the right to change this information without notice. 22 Velan Inc. ll rights reserved.

17 VELN FORgEd hp/ht N4 stem trps F E STNR MTERILS prt MTERILS ody Forged alloy steel F9 over Same as body material pplitions oiler headers, steam mains and branch lines. imetal element Truflex G-4 over gasket SS 32 spiral wound with graphite filler E over stud Nickle chrome alloy ONNETIONS Socket-weld G Type N4 H J L I K F over nut Nickle chrome alloy G Strainer Stainless steel H Stem and ball SS, ball valve 58Rc I Seat SS hardfaced or alloy J djusting nut and locknut Stainless steel k Test plug arbon steel or chrome moly. steel L Fixing screw and washer Stainless steel utt-weld ENGINEERING T RanGe -4 ( ) PMo 4 (276) MaTeRIal F9 learance for strainer removal: N4; 8 in (457 mm) min. TeMP f/ c 593 orifice 5 /6 8 IMENSIONS N weights /2 5 nps/n 3 /4 2 capacity 4,9 4,9 25 Maximum body design condition: NSI/SME lass 4 PM = Maximum allowable pressure: 25psi.g@ F (776bar.g@38 ) TM = Maximum allowable temperature: F (593 ) Maximum cold hydrostatic test pressure: 6875psi.g (64bar.g) TMO = Maximum operating temperature = TM PMO = Maximum operating pressure: (See Engineering data table) a WeIGHT face To face b c lb/kg center To center sw bw bottom To ToP sw bw / apacity lb/hr conensate capacity ifferential pressure bar N4 5 5 ifferential pressure psi Maximum cold water capacity x apacity kg/hr The performance graph indicates the continuous discharge capacities of condensate per hour at various pressure differentials across the trap. SHELL pressure/temp LIMIT TeMPeRaTURe f ( c) Psi.g (bar.g) (38),25 (775.5) (93),25 (775.5) 3 (49),925 (753) 4 (24),585 (73) (26) 9,965 (687) 6 (35) 9,7 (625) 65 (343) 8,825 (68.5) 7 (37) 8,55 (587) TeMPeRaTURe f ( c) Psi.g (bar.g) 75 (399) 7,97 (549.5) 8 (427) 7,6 (524.5) 85 (454) 7,35 (53.5) 9 (482) 6,74 (465) 95 (5) 5,795 (399.5) (538) 5,45 (376) 5 (565) 5,4 (372) (593) 4,525 (32) Velan reserves the right to change this information without notice. 22 Velan Inc. ll rights reserved. 7

18 Velan Hermetically Sealed Steam Trap hermetically sealed unit on type Q25 and UST hermetically sealed Unit The hermetically sealed body is seal welded and contains all operating parts. Type Q25 ommon esign Features Positive closing The bimetallic element is a function of the saturated steam curve (pages 4 and 5) and its sensitivity to the temperature change assures an immediate reaction to both steam and condensate for the entire pressure range. t saturated temperature the valve is closed. ll-position installation Simplifies piping layout for easy plant standardization. Self-aligning precision ball valve Single free-floating stainless steel hardened Rc 58 min. ball valve. ir venting: Good discharge capacity ir and cold condensate is discharged through a full orifice efficiently ensuring fast warm-up of equipment. Type UST heck valve operation The main valve acts as a check valve preventing back flow. Positive condensate drainage for process work. Guaranteed against water hammer The downstream valve acts as a release valve on the excess water pressure without damage to internal parts. Seat or alloy hardfaced Increases resistance to the high degree of wear through velocity of flow, dirt, and scale. Type Q25 esign FETURES Freeze-proof installation Velan traps do not require a reservoir of priming water in the body to operate. When installed vertically with inlet on top, they drain completely when cold, and are freeze-proof without insulation. Type UST esign FETURES Integral strainer n integral stainless steel strainer protects the trap operating mechanism from damage by dirt or scale. No extra fittings or installation costs are required. Free strainer area 26%. Perforation is.3 (.8mm). ompatibility ompatible with most other manufacturers trap modules. Easy removal Steam trap can be removed and replaced in minutes by undoing 2-bolts and without having to disconnect any piping. NPT blow down plug Velan connectors are available separately with screwed and socket-weld connections. ll position installation (swivel 36 ). 8 Velan reserves the right to change this information without notice. 22 Velan Inc. ll rights reserved.

19 G VELN hermetilly seled Q25 stem trp Type Q25 ENGINEERING T RanGe -25 (-7) PMo 25 (7) MaTeRIal SS F8M TeMP f/ c 26 orifice 3 /8 9.5 Maximum design condition: NSI/SME 3 PM = Maximum allowable pressure: 72psi.g@ F (49bar.g@38 ) TM = Maximum allowable temperature: F (26 ) Maximum cold hydrostatic test pressure: psi.g (75bar.g) TMO = Maximum operating temperature = TM PMO = Maximum operating pressure: (See Engineering data table) F E STNR MTERILS prt MTERILS Inlet shell Stainless steel F8M Outlet shell Stainless steel F8M imetal element Truflex G-4 Stem and ball SS, ball valve 58Rc min. E Seat or alloy F Self locking adjustable nut Stainless steel G Fixing screw Stainless steel capacity 2,7,227 pplitions oiler headers, steam mains, branch lines, tracer lines, sterilizers and finned radiation. ONNETIONS: Screwed Socket-weld SIMpLE priniple OF OpERTION single free-floating ball valve: Vents air ischarges condensate Traps steam cts as a check valve conensate capacity The performance graph indicates the continuous discharge capacities of condensate per hour at various pressure differentials across the trap. ifferential pressure bar IMENSIONS N weights nps/n a face To face b center To bottom c center To ToP WeIGHT lb/kg apacity lb/h Q apacity kg/h / / /4 9 2 / / / TeMPeRaTURe limits Pressure bar.g use in this region Steam saturation curve Trap shell Pressure/temperature curve Pressure psi.g Pressure limit for trap type Temperature F Q25 6. Temperature ifferential pressure psi Maximum cold water capacity x 3.5 Velan reserves the right to change this information without notice. 22 Velan Inc. ll rights reserved. 9

20 VELN hermetilly seled Ust stem trp J I G H F STNR MTERILS prt MTERILS over Stainless steel F8M Self locking adjustable nut Stainless steel Stem and ball SS, ball valve 58Rc min. ody Stainless steel F8M E Flange Stainless steel F36 F lowdown plug arbon steel electroplated G Seat Stainless steel 36 hardfaced with or alloy H Strainer Stainless steel 34 I imetal element Truflex G-4 J Plug arbon steel electroplated pplitions oiler headers, steam mains, branch lines, tracer lines, sterilizers and finned radiation. ONNETIONS: Screwed Socket-weld Type UST E ENGINEERING T RanGe () -3 (-2) -45 (-3) PMo 3 (2) 45 (3) MaTeRIal S/S F8M TeMP f/ c 6 35 orifice 5 /6 8 /4 6.4 SIMpLE priniple OF OpERTION single free-floating ball valve: Vents air ischarges condensate capacity () Product will operate throughout entire pressure range, however selection closest to the Maximum operating pressure is recommended for maximum efficiency. Traps steam cts as a check valve Maximum design condition: NSI/SME 3 PM = Maximum allowable pressure: 72psi.g@ F (5bar.g@38 ) TM = Maximum allowable temperature: 6 F (35 ) (see note) Maximum cold hydrostatic test pressure: psi.g (75bar.g) TMO = Maximum operating temperature = TM PMO = Maximum operating pressure: (See Engineering data table) conensate capacity The performance graph indicates the continuous discharge capacities of condensate per hour at various pressure differentials across the trap. ifferential pressure bar UST 3 3 IMENSIONS N weights a overall length 5 /8 3 b center To b/own PlUG 7 /8 48 c center To ToP of cover 3 /4 45 cover IaMeTeR 2 3 /4 7 WeIGHT lb/kg 3 /2.5 apacity lb/hr 5..5 UST ifferential pressure psi apacity kg/hr Temperature F / TeMPeRaTURe limits Pressure bar.g SUPERHETE STEM use in this region Trap shell 49 Steam saturation Pressure/temperature curve curve UST Pressure psi.g Temperature Maximum cold water capacity x Pressure limit for trap type 2 Velan reserves the right to change this information without notice. 22 Velan Inc. ll rights reserved.

21 VELN ONNEtORs FOR hermetilly seled UNIVERsL stem trp Velan connectors are designed to be used with swivel connector steam traps. The connector can be installed horizontally or vertically into the pipeline. The steam trap is attached to the connector by means of two hexagon screws and can be rotated 36 degrees to ensure the trap is in correct orientation. VELN ONNEtORs ONNETIONS Screwed Socket-weld ENGINEERING T IMENSIONS N weights RanGe psi.g / bar.g MaTeRIal SS F8M TeMP () º f / º c 6 35 () onsult works if the expected service temperature will be > F (26 ) as the ferrite level has to be controlled. nps / n /2 5 3 / a face To face 2 7 / / /2 89 WeIGHT lb / kg Illustration showing a complete assembly of universal steam trap connector. Velan reserves the right to change this information without notice. 22 Velan Inc. ll rights reserved. 2

22 VELN high PItY PIstON OPERtEd stem trp Type Sp Type SpF OMMON ESIGN FETURES piston cage unit The advanced piston cage unit design combines a liner, piston, main seat and main valve into one factory-tested assembly to ensure precise alignment and simple maintenance. In the SPF Type there PISTON GE UNIT is also a bimetallic cage unit. Seats or alloy hardfaced The main and pilot valve seats are or alloy hardfaced to increase their resistance to the high degree of wear through velocity of flow, dirt and scale. ll in one construction unit ir vent, main valve, check valve, strainer and temperature controller are a single unit, ensuring perfect alignment and ease of maintenance. positive closing s steam contacts the bimetal element, the pull closes the pilot valve, reducing the pressure on the piston. Line pressure below the main valve closes the valve tightly on the seat (see page 7). positive condensate drainage for process work. heck valve operation The main valve acts as a check valve preventing back flow. Temperature controller controls and adjusts the discharge temperature of condensate which can be calibrated using a special thermometer (see page 45). Sp ESIGN FETURES Integral strainer n Integral stainless steel strainer protects the trap operating mechanism from damage by dirt or scale. TYpE SpF ESIGN FETURES SpF only: an include a Y type strainer in line to protect trap. No extra fittings or installation costs are required. Free strainer area minimum 5 to. Perforation is.3 (.8 mm). 22 Velan reserves the right to change this information without notice. 22 Velan Inc. ll rights reserved.

23 J G VELN high PItY PIstON OPERtEd stem trp Type SpF-7 (5) ENGINEERING T TYPe M RanGe (2) F PMo MaTeRIal TeMP f/ c STNR MTERILS prt MTERILS ody Forged carbon steel 5 over Same as body material imetal element Truflex G-4 Gasket SS 32 spiral wound with graphite filler E over stud hrome moly. alloy 7 F over nut arbon steel 2H G ap screw hrome moly alloy I Piston cage unit Stainless steel J Pilot valve Stainless steel, ball 58Rc min. M Temp controller Stainless steel orifice capacity 7, 7,727 9, 8,636 22,, 27, 2,273 TYPe RanGe (2) PMo pplitions oiler headers, steam mains, branch lines, steam separators, oil storage tank coils, purifiers, de-superheater drains, reboilers, feed water heaters, heat exchangers and cold reheat drains. ONNETIONS Screwed Socket-weld utt-weld Flanged MaTeRIal TeMP f/ c orifice capacity 38, 7,272 43, 9,545 49, 22,272 63, 28,636 SPF SPF4 4 4 SPF () SPF5 35 / () /8 22 SPF SPF SPF3 3 SPF7 3 () Permissible, but not recommended for prolonged use above 8 F (427 ). PM: Maximum allowable pressure: 3psi.g@ F (27bar.g@38 ) (2) Product will operate throughout entire pressure range, however selection TM: Maximum allowable temperature: 8 F (427 ) closest to the Maximum operating pressure is recommended for Maximum cold hydrostatic test pressure: 4psi.g (3bar.g) maximum efficiency. TMO = Maximum operating temperature = TM IMENSIONS N weights PMO: Maximum operating pressure: (see Engineering data table) a b c WeIGHT TYPe face To face center center lb/kg nps/n scr/ To To sw bw flange scr/ bottom ToP sw bw flange spf/4 spf/5 spf2/6 spf3/7 spf/4 spf/5 spf2/6 spf3/7 SPF /2 7 3 /4 /4 3 /4 2 3 /4 4 7 /8 5 3 / ,,2, SPF 4,5,6,7 E / I G 8 3 / / / /8 3 5 / apacity lb/h,, 9, 8, 7, 6, 5, 4, 3, 2, conensate capacity ifferential pressure bar SPF4,5,6,7 SPF,,2,3 8, 7, 6, 5, 45, 4, 35, 3, 25, 2, 5,, apacity kg/h The performance graph indicates the continuous discharge capacities of condensate per hour at various pressure differentials across the trap. Temperature F 4 3 / TeMPeRaTURe limits Pressure bar.g prolonged use above 8 F use in this region 7 6 SUPERHETE STEM Steam saturation curve Trap shell Pressure/temperature curve Temperature, 4545 SPF SPF35 SPF6 SPF ifferential pressure psi Maximum cold water capacity x Pressure limit for trap type Pressure psi.g Velan reserves the right to change this information without notice. 22 Velan Inc. ll rights reserved. 23

24 VELN high PItY PIstON OPERtEd stem trp J G ENGINEERING T TYPe SPF SPF SPF2 SPF3 RanGe () M Type SpF-7 (F22) PMo psi.g / bar.g MaTeRIal F22 TeMP f/ c STNR MTERILS prt MTERILS ody Forged alloy steel F22 over Same as body material imetal element Truflex G-4 Gasket SS 32 spiral wound with graphite filler E over stud hrome moly. alloy 6 F over nut arbon or stainless steel G ap screw hrome moly. alloy I Piston cage unit Stainless steel J Pilot valve Stainless steel, ball 58Rc min. M Temp controller Stainless steel orifice 7 /8 22 capacity 7, 7,727 9, 8,636 22,, 27, 2,273 () Product will operate throughout entire pressure range, however selection closest to the Maximum operating pressure is recommended for maximum efficiency. F E I G ONNETIONS Screwed Socket-weld utt-weld Flanged TYPe IMENSIONS N weights a TYPe face To face nps/n flange scr/sw bw spf/4 spf/5 spf2/6 spf3/7 SPF /2 7 3 /4 3 3 /4 3 /4 2 3 /4,,2, SPF / /4 4 3 / /4 4,5,6, RanGe () PMo pplitions oiler headers, steam mains, branch lines, steam separators, oil storage tank coils, purifiers, de-superheater drains, reboilers, feed water heaters, heat exchangers and cold reheat drains. MaTeRIal TeMP f/ c orifice SPF4 4 SPF F / SPF SPF7 3 PM = Maximum allowable pressure: TM = Maximum allowable temperature: 5 F (565 ) Maximum cold hydrostatic test pressure: 39psi.g (269bar.g) capacity 38, 7,272 43, 9,545 49, 22,272 63, 28,636 26psi.g@ F (79bar.g@38 ) TMO = Maximum operating temperature = TM PMO = Maximum operating pressure: (see Engineering data table) b center To bottom 4 7 / /8 3 c center To ToP 5 3 / /2 4 scr/sw bw WeIGHT lb/kg flange spf/4 spf/5 spf2/6 spf3/ apacity lb/h,, 9, 8, 7, 6, 5, 4, 3, 2, conensate capacity ifferential pressure bar SPF4,5,6,7 SPF,,2,3 8, 7, 6, 5, 45, 4, 35, 3, 25, 2, 5,, apacity kg/h The performance graph indicates the continuous discharge capacities of condensate per hour at various pressure differentials across the trap. Temperature F Pressure bar.g / TeMPeRaTURe limits SUPERHETE STEM Steam saturation curve use in this region Temperature, 4545 SPF SPF35 SPF6 SPF ifferential pressure psi Maximum cold water capacity x Pressure psi.g Pressure limit for trap type 24 Velan reserves the right to change this information without notice. 22 Velan Inc. ll rights reserved.

25 VELN high PItY PIstON OPERtEd stem trp K M H ENGINEERING T RanGe (2) - (.69-4) -6 (.69-42) - (.69-3) J Type Sp6, 7, N 8 (cast) PMo (4) 6 (42) (3) MaTeRIal W F E TeMP f/ c 85 () 454 I L orifice 2 5 IMENSIONS N weights TYPe nps/n STNR MTERILS prt MTERILS ody ast steel W over Same as body material imetal element Truflex G-4 Gasket SS 32 spiral wound with graphite filler E over stud hrome moly. alloy 7 F over nut arbon steel 2H H Strainer Stainless steel I Piston cage unit Stainless steel J Pilot valve Stainless steel, ball 58Rc min. k lowdown plug arbon steel L ottom plug Stainless steel M Temp controller Stainless steel capacity 9, 4,99 3, 59,9 6, 72,727 () Permissible, but not recommended for prolonged use above 8 F (427 ). (2) Product will operate throughout entire pressure range, however selection closest to the Maximum operating pressure is recommended for maximum efficiency. learance for Strainer Removal: SP 2 in (35 mm) min. SP 6,7, / pplitions oiler headers, steam mains, branch lines, steam separators, oil storage tank coils, purifiers, de-superheater drains, reboilers, feed water heaters, heat exchangers and high-pressure/ temperature applications with high condensate discharge rates. sp 6 an 7 PM = Maximum allowable pressure: 25psi.g@ F (86bar.g@38 ) Maximum cold hydrostatic test pressure: 875psi.g (29bar.g) sp 8 PM = Maximum allowable pressure: psi.g@ F (38bar.g@38 ) Maximum cold hydrostatic test pressure: 3psi.g (27bar.g) TM = Maximum allowable temperature: 8 F (427 ) TMO = Maximum operating temperature = TM PMO = Maximum operating pressure: (see Engineering data table) a face To face b center c center WeIGHT lb/kg scr/ To To sw bw flange scr/sw bw flange sp6 sp7 sp8 bottom ToP sp6 sp7 & sp8 sp6 sp7 & sp8 sp6 sp7 & sp ONNETIONS Screwed Socket-weld utt-weld Flanged / / apacity lb/h,, 9, 8, 7, 6, 5, 4, 3, 2, conensate capacity ifferential pressure bar SP6,7,8 8, 7, 6, 5, 45, 4, 35, 3, 25, 2, 5,, apacity kg/h The performance graph indicates the continuous discharge capacities of condensate per hour at various pressure differentials across the trap. Temperature F / TeMPeRaTURe limits Pressure bar.g prolonged use above 8 F SUPERHETE STEM Steam saturation curve SP6 & 7 use in this region SP Temperature, 7 5 ifferential pressure psi Maximum cold water capacity x SP6 SP7 Trap shell 38 Pressure/temperature curve 2 Pressure psi.g Pressure limit for trap type SP8 93 Velan reserves the right to change this information without notice. 22 Velan Inc. ll rights reserved. 25

26 VELN PIPINg king PkgE UNIts Velan forged Piping King automatic condensate drain units a unique method in steam trap piping The Piping King package unit fitted with a bypass, enables the steam trap to be isolated from the system allowing routine maintenance to be carried out. THE UNIT ONSISTS OF: The unique patented universal steam trap with integral strainer and check valve Two high-quality bonnetless forged steel special stop check globe valves mounted on either side of the trap. The valves are connected by the bypass pipe, enabling the steam trap to be isolated while the steam flow is maintained. Piping King units are used extensively in power stations, marine, and similar applications where continuous operation is essential during routine maintenance. (See pages 28 and 29 for details.) Inclined bonnetless globe and stop check valve ypass Steam trap Velan Piping Kings provide substantial savings, in component parts and installation costs ONVENTIONL UNIT with YpSS (3 VLVES) N UkET TRp VELN piping king UNIT with YpSS (2 VLVES ONLY) 8 Hours 9 7 Minutes heck Valve Strainer ucket trap Units - 23 welds Steel 3 /4 bucket steam trap 2 Elbows 3 /4 (s.w.) 3 Forged steel valves 3 Tees 3 /4 (s.w.) Steel strainer 3 /4 2 Unions 3 /4 Steel check valve 3 /4 Fitting time (2 hours) 23 Welded joints (6 hours) Unit - 5 welds Velan Piping King 3 /4 Type NV-Y 5 Welded joints ( hour) Fitting time ( minutes) 26 Velan reserves the right to change this information without notice. 22 Velan Inc. ll rights reserved.

27 how It works. UTOMTI STEM TRp OpERTION Inlet valve and outlet valve both in top, closed position to provide double protection against leakage through the bypass. Valves on backseats, ypass closed Inlet Outlet Position of valves Inlet Trap closed ypass closed Outlet 2. OMpLETE SHUTOFF NO FLOw TRp ISOLTE FOR SERVIE Inlet valve in bottom position, outlet valve in top position. The trap is now sealed off by the inlet valve and the bypass is closed by the outlet valve. The valve is protected from back-pressure by the check valve portion of the outlet valve. heck valve closed by by back pressure if any 3. YpSS OpEN FULL FLOw TRp ISOLTE FOR SERVIE preferre SERVIE position oth inlet valve and outlet valves in bottom position to seal off the trap against flow and back-pressure. Trap is isolated and ready for service. Inlet ypass open Position of valves Trap isolated Outlet Trap isolated ypass open Inlet ypass open Position of valves ypass throttled Outlet 4. THROTTLE YpSSING TRp ISOLTE FOR SERVIE Inlet valve in bottom position, outlet valve in intermediate position. The trap is sealed off by the inlet valve and flow through the bypass is restricted by the position of the outlet valve. The floating check valve of the outlet valve protects the trap from back pressure. Trap isolated bypass open heck valve closed by line pressure through bypass Velan reserves the right to change this information without notice. 22 Velan Inc. ll rights reserved. 27

28 VELN PIPINg king PkgE UNIts TS-V-Y, TSF-V-Y N SF-V-Y ENGINEERING T TYPe Ts-V-bY () Tsf-V-bY () sf-v-by () RanGe (2) orifice 3 / /6 8 5 /6 8 3 /8 9.5 / /4 9 /2 2.7 / / /6 8 capacity lb/h kg/h,65 75, 682, , 99, ,25,477 3,25,477 4, 2,45 3,,49 2,6,82 Material and maximum temperature: () 5, max. temp. 85 F (454 ), which is permissible, but not recommended for prolonged use above 8 F (426 ). (2) Product will operate throughout entire pressure range, however selection closest to the Maximum operating pressure is recommended for maximum efficiency. IMENSIONS N weights TYPe Ts-V-bY Tsf-V-bY sf-v-by-5 sf-v-by-5 sf-v-by-3 sf-v-by-4 sf-v-by-6 nps/n 3 /8 /2 5 3 /4 2 a face To face scr/ bw flg sw 5 /4 387 / /8 3 / /2 5 3 / /2 5 3 / / / / / / / / / / / / / / / / / / / / / / /8 473 b center To bottom / / / /4 57 c center To ToP 7 3 / / / / / / / /6 27 scr/ sw WeIGHT lb/kg bw flg SSF-V-Y ENGINEERING T TYPe RanGe psi.g/bar.g () orifice capacity lb/h kg/h ssf-v-f-25 ssf-v-f- ssf-v-f-4 ssf-v-f / /6 4 / ,75 2,68 6,4 2,93 5,3 2,49 5, 2,36 Material and maximum temperature: W, max. temp. 85ºF (454º),which is permissible, but not recommended for prolonged use above 8 F (426 ). () Product will operate throughout entire pressure range, however selection closest to the Maximum operating pressure is recommended for maximum efficiency. IMENSIONS N weights TYPe ssf-v-by-25 ssf-v-by- ssf-v-by-4 ssf-v-by-6 nps/n 2 5 / a face To face scr/ sw bw flg b center To bottom 5 3 / /8 37 c center To ToP 6 / / scr/ sw WeIGHT lb/kg bw flg Velan reserves the right to change this information without notice. 22 Velan Inc. ll rights reserved.

29 VELN PIPINg king PkgE UNIts N-V-Y-5, N-V-Y-3, N-V-Y-675, N-V-Y-9, N-V-Y-, N-V-Y-2, N-V-Y-26 ENGINEERING T. TYPe RanGe orifice capacity lb/h kg/h n-v-by-5-5 2,8 ()(2)(4) -.5 /2,272 n-v-by , ()(2)(4) -2,59 n-v-by /6 2,9 ()(2)(4) ,35 n-v-by-9-9,85 ()(2)(4) -62 /4 8,4 n-v-by , ()(2)(4) n-v-by (2) /6 2,82 n-v-by ,9 (3) ,227 Material and maximum temperature: () 5/W, max. temp. 85 F (454 ) which is permissible, but not recommended for prolonged use above 8 F (426 )., (2) F22, max. temp.,5 F (565 ), (3) F9, max. temp., F (593 ). (4) Product will operate throughout entire pressure range, however selection closest to the Maximum operating pressure is recommended for maximum efficiency. SpF-V-Y TO SpF7-V-Y Sp6-V-Y TO Sp8-V-Y ENGINEERING T TYPe RanGe orifice. capacity (3) lb/h kg/h spf-v-by - 7, ()(2) ,727 spf-v-by -35 9, ()(2) /8 8,636 spf2-v-by , ()(2).69-42, spf3-v-by - 27, ()(2) ,273 spf4-v-by - 38, () ,272 spf5-v-by , () /8 9,545 spf6-v-by , () ,272 spf7-v-by - 63, ()(3) ,636 sp6-v-by - 9, () ,99 sp7-v-by , () ,9 sp8-v-by - 6, () ,727 Material and maximum temperature: () 5/W, max. temp. 85 F (454 ) which is permissible, but not recommended for prolonged use above 8 F (426 )., (2) F22, max. temp.,5 F (565 ), (3) Product will operate throughout entire pressure range, however selection closest to the Maximum operating pressure is recommended for maximum efficiency. lso available with Velan Power ball valve: Two isolating Three bypass valves IMENSIONS N weights TYPe a b c WeIGHT face To face center To center lb/kg nps/n scr/sw bw flg bottom To ToP scr/sw bw flg n-v-by-5 /2 8 /2 2 /2 8 / / n-v-by n-v-by /4 9 3 /4 2 3 /4 2 /4 2 /4 8 9 / n-v-by n-v-by / /8 23 /8 2 /6 / /2 22 /2 24 / /8 9 / n-v-by-2 n-v-by-26 / / / /8 3 2 / /2 4 /4 6 / IMENSIONS N weights TYPe a b c WeIGHT face To face center To center lb/kg nps/n scr/sw bw flg bottom To ToP scr/sw bw flg spf-v-by 23 /8 25 /8 23 /8 () 2 /6 /2 spf-v-by spf2-v-by / / / /4 () 5 3 /8 5 9 / spf3-v-by () spf4-v-by / / / /4 (2) 5 3 /8 5 9 /6 spf5-v-by spf6-v-by /4 3 3 / /4 (2) 5 3 /8 6 / spf7-v-by (2) (3) sp6-v-by 2 / (3) 5 3 /8 6 / sp7-v-by sp8-v-by (3) (3) () For SPF3-V-Y with flanged connection, (face to face) for is 23 5 /8 (6 mm) and for /2 is 26 /4 (669 mm). (2) For SPF7-V-Y with flanged connection, (face to face) for /2 is 27 /4 (692 mm) and for 2 is 3 3 /4 (86 mm). (3) For SP8-V-Y with flanged connection, (face to face) is 39 (99 mm) for all sizes. Velan reserves the right to change this information without notice. 22 Velan Inc. ll rights reserved. 29

30 VELN MONOVLVE FLOt bimetlli stem trps type MFt/MFts for positive drainage of unit heaters and process equipment complete unit: built-in strainer, check valve, air vent and optional bypass shut-off Type MFT Type MFT5/MFTS Type MFT, 2, 3 N 4 (E) Float ESIGN FETURES positive closing and condensate drainage The bimetallic element is a function of the saturated steam curve (pages 4 and 5) and it s sensitivity to the temperature change assures an immediate reaction to both steam and condensate for the entire pressure range. t saturated steam temperature the valve is closed as on a standard bimetallic steam trap, however, in this type any condensate build-up even at saturated steam temperature is discharged at the same rate. s it reaches the trap, the float becomes buoyant and opens the valve mechanically (see page 7). Stainless steel float and trim Simple installation Multiple inlet and outlet connections facilitate installation. Integral strainer Stainless steel screens are integral to protect the trap operating mechanism from damage by dirt or scale. No extra fittings or installation costs are required. Free strainer area minimum 5 to. Perforation is.3 (.8 mm). Integral check valve operation The main valve acts as a check valve preventing back flow. Stainless steel pivots ssure adequate protection against wear. Seat (J) or alloy hardfaced Increases resistance to the high degree of wear through velocity of flow, dirt, and scale. () imetal element (I) all valve Guaranteed against water hammer. The down-stream valve acts as a release valve on the excess water pressure without damage to internal parts. Freeze proof installation without insulation complete drainage when cold. Other options NPT blow down plug, strainer blowdown valve, and Piping King Units. 3 Velan reserves the right to change this information without notice. 22 Velan Inc. ll rights reserved.

31 H K L J I VELN MONOVLVE FLOt bimetlli stem trps F Type MFT E ENGINEERING T RanGe () PMo MaTeRIal ST IRON Gr.25 TeMP f/ c orifice 7 / capacity,65 75 () Product will operate throughout entire pressure range, however selection closest to the Maximum operating pressure is recommended for maximum efficiency. STNR MTERILS prt MTERILS ody ast iron Gr.25 over Same as body material imetal element Truflex G-4 imetal holder Stainless steel E Float Stainless steel F over gasket Stainless steel with non-asbestos filler G over screw High tensile steel Gr. S H Strainer Stainless steel I Stem and ball Stainless steel, ball 58Rc J Seat SS 46 hardened k Self lock adjusting nut Stainless steel L Pivot plug Stainless steel NoTE: Part G is not shown for clarity IMENSIONS N weights pplitions oiler headers, steam mains, branch lines, unit heaters, shell and tube heat exchangers, jacketed kettles, rotating dryers, flash tanks, laundry ironers and steam separators. ONNETIONS Screwed PM = Maximum allowable pressure: 26psi.g@ F (8bar.g@38 ) TM = Maximum allowable temperature: 428 F (22 ) Maximum cold hydrostatic test pressure: 4psi.g (27.5bar.g) TMO = Maximum operating temperature = TM PMO = Maximum operating pressure: (see Engineering data table) /2 5 nps/n 3 /4 2 a HeIGHT 6 /8 56 b () center To face 4 3 /8 () enter of inlet to outlet face (2) enter of outlet to inlet face c (2) center To ToP /8 29 length 6 3 /4 7 WeIGHT lb/kg conensate capacity ifferential pressure bar , 9 The performance graph indicates the continuous discharge capacities of condensate per hour at various pressure differentials across the trap., apacity lb/h MFT apacity kg/h Temperature F SUPERHETE STEM Steam saturation curve / TeMPeRaTURe limits Pressure bar.g 25PSI use in this region Temperature ifferential pressure psi Maximum cold water capacity x Pressure limit for trap type Pressure psi.g Velan reserves the right to change this information without notice. 22 Velan Inc. ll rights reserved. 3

32 VELN MONOVLVE FLOt bimetlli stem trps H F Type MFT K M ENGINEERING T RanGe () PMo I E J L MaTeRIal TeMP f/ c orifice 5 3 / ST IRON Gr / STNR MTERILS prt MTERILS ody ast iron Gr.25 over Same as body material imetal element Truflex G-4 imetal holder Stainless steel E Float Stainless steel F over gasket Stainless steel with non-asbestos filler G over screw High tensile steel Gr. S H Strainer Stainless steel I Stem and ball Stainless steel, ball 58Rc J Seat SS hardfaced with or alloy k Self lock adjusting nut Stainless steel L Pivot plug Stainless steel M Test plug 2 NPT Steel N Strainer plug 8 NPT Steel NoTE: Part G and N are not shown for clarity capacity 3,25,477,25 568,7 772 () Product will operate throughout entire pressure range, however selection closest to the Maximum operating pressure is recommended for maximum efficiency. IMENSIONS N weights pplitions oiler headers, steam mains, branch lines, unit heaters, shell and tube heat exchangers, jacketed kettles, rotating dryers, flash tanks, laundry ironers and steam separators. ONNETIONS Screwed PM = Maximum allowable pressure: 26psi.g@ F (8bar.g@38 ) TM = Maximum allowable temperature: 428 F (22 ) Maximum cold hydrostatic test pressure: 4psi.g (27.5bar.g) TMO = Maximum operating temperature = TM PMO = Maximum operating pressure: (see Engineering data table) nps/n a () face To face b (2) center To center c (3) center To face length WeIGHT lb/kg /2 5 3 / / /6 () Vertical connection. (2) Horizontal connection. (3) enter of vertical outlet to face of horizontal outlet. 3 / / conensate capacity ifferential pressure bar , 9 The performance graph indicates the continuous discharge capacities of condensate per hour at various pressure differentials across the trap. apacity lb/h, apacity kg/h Temperature F SUPERHETE STEM / TeMPeRaTURe limits Steam saturation curve Pressure bar.g use in this region Temperature 5PSI 5PSI 25PSI 5 5 ifferential pressure psi Maximum cold water capacity x Pressure limit for trap type Pressure psi.g 32 Velan reserves the right to change this information without notice. 22 Velan Inc. ll rights reserved.

33 VELN MONOVLVE FLOt bimetlli stem trps H F Type MFT2 K M ENGINEERING T RanGe () PMo I E J L MaTeRIal TeMP f/ c STNR MTERILS prt MTERILS ody ast iron Gr.25 over Same as body material imetal element Truflex G-4 imetal holder Stainless steel E Float Stainless steel F over gasket Stainless steel with non-asbestos filler G over screw High tensile steel Gr. S H Strainer Stainless steel I Stem and ball Stainless steel, ball 58Rc J Seat SS hardfaced with or alloy k Self lock adjusting nut Stainless steel L Pivot plug Stainless steel M Test plug 2 NPT Steel N Strainer plug 3 8 NPT Steel NoTE: Part G and N are not shown for clarity. orifice capacity 7, 3,82 3,,455 2,6,82 2, / / ST IRON Gr / / () Product will operate throughout entire pressure range, however selection closest to the Maximum operating pressure is recommended for maximum efficiency. IMENSIONS N weights nps/n 3/ /4 / a () face To face 7 / PM = Maximum allowable pressure: 26psi.g@ F (8bar.g@38 ) TM = Maximum allowable temperature: 428 F (22 ) Maximum cold hydrostatic test pressure: 4psi.g (27.5bar.g) TMO = Maximum operating temperature = TM PMO = Maximum operating pressure: (see Engineering data table) b (2) center To center 4 3 /4 2 4 /2 4 c (3) center To face 7 / /4 44 pplitions oiler headers, steam mains, branch lines, unit heaters, air handlers, process air heaters, steam absorption machine (chiller), shell and tube heat exchangers, jacketed kettles, rotating dryers, flash tanks and steam separators. ONNETIONS Screwed length 9 3 / /8 264 () Vertical connection. (2) Horizontal connection. (3) enter of vertical outlet to face of horizontal outlet. WeIGHT lb/kg conensate capacity ifferential pressure bar , 9 The performance graph indicates the continuous discharge capacities of condensate per hour at various pressure differentials across the trap. apacity lb/h, apacity kg/h Temperature F SUPERHETE STEM 3 / TeMPeRaTURe limits Steam saturation curve Pressure bar.g use in this region Temperature 5PSI 5PSI 25PSI PSI Maximum cold water capacity x ifferential pressure psi Pressure limit for trap type Pressure psi.g Velan reserves the right to change this information without notice. 22 Velan Inc. ll rights reserved. 33

34 VELN MONOVLVE FLOt bimetlli stem trps H F Type MFT3 K M ENGINEERING T RanGe () PMo I E J L MaTeRIal ST IRON Gr.25 TeMP f/ c STNR MTERILS prt MTERILS ody ast iron Gr.25 over Same as body material imetal element Truflex G-4 imetal holder Stainless steel E Float Stainless steel F over gasket Stainless steel with non-asbestos filler G over screw High tensile steel Gr. S H Strainer Stainless steel I Stem and ball Stainless steel, ball 58Rc J Seat SS hardfaced with or alloy k Self lock adjusting nut Stainless steel L Pivot plug Stainless steel M Test plug NPT Steel N Strainer plug 3 8 NPT Steel NoTE: Part G & N are not shown for clarity orifice 5 /8 6 7 /6 5 /6 8 /4 6.4 capacity 2, 5,455 8, 3,636 4, 2,45 3,,455 () Product will operate throughout entire pressure range, however selection closest to the Maximum operating pressure is recommended for maximum efficiency. pplitions oiler headers, steam mains, branch lines, unit heaters, air handlers, process air heaters, steam absorption machine (chiller), shell and tube heat exchangers, jacketed kettles, rotating dryers, flash tanks and steam separators. ONNETIONS Screwed PM = Maximum allowable pressure: 26psi.g@ F (8bar.g@38 ) TM = Maximum allowable temperature: 428 F (22 ) Maximum cold hydrostatic test pressure: 4psi.g (27.5bar.g) TMO = Maximum operating temperature = TM PMO = Maximum operating pressure: (see Engineering data table) IMENSIONS N weights nps/n / a () face To face /4 26 b (2) center To center 5 / /8 43 c (3) center To face 3 / /4 57 length 2 3 / /2 343 () Vertical connection (2) Horizontal connection (3) enter of vertical outlet to face of horizontal outlet WeIGHT lb/kg conensate capacity ifferential pressure bar , 9 The performance graph indicates the continuous discharge capacities of condensate per hour at various pressure differentials across the trap. apacity lb/h, apacity kg/h Temperature F Pressure bar.g SUPERHETE STEM 3 / TeMPeRaTURe limits Steam saturation curve PSI 5PSI 25PSI PSI use in this region Temperature 5 5 ifferential pressure psi Maximum cold water capacity x Pressure psi.g Pressure limit for trap type 34 Velan reserves the right to change this information without notice. 22 Velan Inc. ll rights reserved.

35 VELN MONOVLVE FLOt bimetlli stem trps H F Type MFT4 K M ENGINEERING T RanGe () PMo I E J L MaTeRIal ST IRON Gr.25 TeMP f/ c STNR MTERILS prt MTERILS ody ast iron Gr.25 over Same as body material imetal element Truflex G-4 imetal holder Stainless steel E Float Stainless steel F over gasket Stainless steel with non-asbestos filler G over screw High tensile steel Gr. S H Strainer Stainless steel I Stem and ball Stainless steel, ball 58Rc J Seat SS hardfaced with or alloy k Self lock adjusting nut Stainless steel L Pivot plug Stainless steel M Test plug NPT Steel N Strainer plug 3 8 NPT Steel NoTE: Part G & N are not shown for clarity. orifice 3 /4 9 / / /6 8 capacity 7, 7,955 2, 5,455 8, 3,636 5,8 2,636 () Product will operate throughout entire pressure range, however selection closest to the Maximum operating pressure is recommended for maximum efficiency. pplitions oiler headers, steam mains, branch lines, unit heaters, air handlers, process air heaters, steam absorption machine (chiller), shell and tube heat exchangers, jacketed kettles, rotating dryers, flash tanks and steam separators. ONNETIONS Screwed PM = Maximum allowable pressure: 26psi.g@ F (8bar.g@38 ) TM = Maximum allowable temperature: 428 F (22 ) Maximum cold hydrostatic test pressure: 4psi.g (27.5bar.g) TMO = Maximum operating temperature = TM PMO = Maximum operating pressure: (see Engineering data table) IMENSIONS N weights nps/n 2 5 a () face To face 279 b (2) center To center 6 /2 65 c (3) center To face 2 /4 57 length 4 /2 368 () Vertical connection (2) Horizontal connection (3) enter of vertical outlet to face of horizontal outlet WeIGHT lb/kg 5 23 ifferential pressure bar ,, apacity lb/h conensate capacity apacity kg/h The performance graph indicates the continuous discharge capacities of condensate per hour at various pressure differentials across the trap. Temperature F Pressure bar.g SUPERHETE STEM 3 5PSI 5PSI / TeMPeRaTURe limits Steam saturation curve 25PSI PSI use in this region Temperature 5 5 ifferential pressure psi Maximum cold water capacity x Pressure psi.g Pressure limit for trap type Velan reserves the right to change this information without notice. 22 Velan Inc. ll rights reserved. 35

36 VELN MONOVLVE FLOt bimetlli stem trps H Type MFT5 F I K M ENGINEERING T RanGe () PMo J MaTeRIal E L TeMP f/ c orifice STNR MTERILS prt MTERILS ody ast iron Gr.25 over Same as body material imetal element Truflex G-4 imetal holder Stainless steel E Float Stainless steel F over gasket Stainless steel with nonasbestos filler G over screw High tensile steel Gr. S H Strainer Stainless steel I Stem and ball Stainless steel, ball 58Rc J Seat SS hardfaced with or alloy k Self lock adjusting nut Stainless steel L Pivot plug Stainless steel M Test plug 2 NPT Steel N Strainer plug 8 NPT Steel NoTE: Part G & N are not shown for clarity capacity 3,3,477,25 568, / ST IRON Gr / / () Product will operate throughout entire pressure range, however selection closest to the Maximum operating pressure is recommended for maximum efficiency. pplitions oiler headers, steam mains, branch lines, unit heaters, shell and tube heat exchangers, jacketed kettles, rotating dryers, flash tanks and steam separators. ONNETIONS Screwed PM = Maximum allowable pressure: 26psi.g@ F (8bar.g@38 ) TM = Maximum allowable temperature: 428 F (22 ) Maximum cold hydrostatic test pressure: 4psi.g (27.5bar.g) TMO = Maximum operating temperature = TM PMO = Maximum operating pressure: (see Engineering data table) IMENSIONS N weights /2 5 nps/n 3 / a face To face scr 3 /6 94 b center To ToP 5 /4 33 c length 9 /4 235 WeIGHT lb/kg scr ifferential pressure bar ,, apacity lb/h conensate capacity apacity kg/h The performance graph indicates the continuous discharge capacities of condensate per hour at various pressure differentials across the trap. Temperature F Steam saturation curve Pressure bar.g SUPERHETE STEM 3 5PSI 5PSI / TeMPeRaTURe limits 25PSI use in this region Temperature ifferential pressure psi 3 Pressure psi.g Maximum cold water capacity x Pressure limit for trap type 36 Velan reserves the right to change this information without notice. 22 Velan Inc. ll rights reserved.

37 VELN MONOVLVE FLOt bimetlli stem trps H F Type MFTS I K M ENGINEERING T RanGe () PMo J E L MaTeRIal 5.5 ST 23 RON 6 STEEL 3 W 2 TeMP f/ c orifice 5 /6 8 7 / / STNR MTERILS prt MTERILS ody ast steel W over Same as body material imetal element Truflex G-4 imetal holder Stainless steel E Float Stainless steel F over gasket Stainless steel with non-asbestos filler G over screw hrome moly. alloy 7 H Strainer Stainless steel I Stem and ball Stainless steel, ball 58Rc J Seat SS hardfaced with or alloy k Self lock adjusting nut Stainless steel L Pivot plug Stainless steel M Test plug 2 NPT Steel N Strainer plug 8 NPT Steel NoTE: Part G & N are not shown for clarity capacity 4,,99, , 955 () Product will operate throughout entire pressure range, however selection closest to the Maximum operating pressure is recommended for maximum efficiency. pplitions oiler headers, steam mains, branch lines, unit heaters, shell and tube heat exchangers, jacketed kettles, rotating dryers, flash tanks and steam separators. ONNETIONS Screwed Socket-weld utt-weld Flanged PM = Maximum allowable pressure: 32psi.g@ F (22bar.g@38 ) TM = Maximum allowable temperature: 65 F (343 ) Maximum cold hydrostatic test pressure: 6psi.g (4bar.g) TMO = Maximum operating temperature = TM PMO = Maximum operating pressure: (see Engineering data table) IMENSIONS N weights /2 5 nps/n 3 / a WeIGHT face To face b c lb/kg center To ToP length scr/sw bw flg scr/sw bw flg 3 / / / / conensate capacity ifferential pressure bar ,, The performance graph indicates the continuous discharge capacities of condensate per hour at various pressure differentials across the trap. 6 / TeMPeRaTURe limits Pressure bar.g SUPERHETE STEM 36 apacity lb/h 4 3 apacity kg/h Temperature F 4 3 Steam saturation curve MFTS 5 MFTS 23 MFTS 3 use in this region Temperature ifferential pressure psi Maximum cold water capacity x Pressure psi.g Pressure limit for trap type Velan reserves the right to change this information without notice. 22 Velan Inc. ll rights reserved. 37

38 VELN thermodynmi stem trps FORgEd RNgE Seats or alloy hardfaced Velan forged trap seats are or alloy hardfaced to increase their resistance to the high degree of wear through velocity of flow, dirt and scale. Type VTS Type HpT st RNgE Velan cast trap seats Hardened by special induction hardening process with seat harder than disc to withstand continuous, prolonged operation. Type VTS Type VT OMMON ESIGN FETURES Stainless steel hardened floating disc Ground and lapped with seat replaceable in line. Gaskets are spiral wound, stainless steel with graphite. Trim is stainless steel Integral strainer Stainless steel screens are integral in all three models to protect the trap operating mechanism from damage by dirt or scale. No extra fittings or installation costs are required. Free strainer area minimum 5 to. Perforation is.3 (.8 mm). positive closing Every Velan trap closes tightly on saturated steam temperature. Positive closing for long periods on dry superheated steam lines has enormous advantages in power plant and marine service. Freeze-proof installation Velan traps do not require a reservoir of priming water in the body to operate when installed vertically with inlet on top, they drain completely when cold, and are therefore freeze-proof without insulation. positive condensate drainage for process work. ll-position installation Simplifies piping layout. 38 Velan reserves the right to change this information without notice. 22 Velan Inc. ll rights reserved.

39 VELN thermodynmi stem trps H Type VTS E G F STNR MTERILS prt MTERILS ody Forged carbon steel 5 () over Same as body material over gasket Monel Floating disc Stainless steel, hardened E Strainer Stainless steel F Strainer cover Same as body material G Strainer cover gasket Stainless steel H Seat Hardfaced with or alloy () onsult works for F or F36 material pplitions oiler headers, steam mains, branch lines, tracer lines, sterilizers, multiplaten presses, laundry ironers, rubber and plastic moulding equipment. ENGINEERING T RanGe 5-6 (.34-4) PMo 6 (4) TeMP f/ c 85 () 454 capacity 2,6 936 () Permissible, but not recommended for prolonged use above 8 F (426 ) Max body design condition: NSI/SME 6 PM = Maximum allowable pressure: 48psi.g@ F (2bar.g@38 ) TM = Maximum allowable temperature: 8 F (426 ) Maximum cold hydrostatic test pressure: 2225psi.g (53.5bar.g) TMO = Maximum operating temperature = TM PMO = Maximum operating pressure: (see Engineering data table) IMENSIONS N weights learance for Strainer Removal: VTS 3 in (76 mm) min. 3 /8 nps/n /2 5 3 /4 2 scr/ sw 3 3 /6 8 a HeIGHT bw 9 3 /6 233 flg 6 /4 59 b center To bottom 2 /8 54 c center To ToP 2 /8 54 scr/ sw 2 WeIGHT lb/kg bw 3.5 flg conensate capacity ifferential pressure bar The performance graph indicates the continuous discharge capacities of condensate per hour at various pressure differentials across the trap. / TeMPeRaTURe limits apacity lb/hr VTS 4 3 apacity kg/hr Temperature F prolonged use above 8 F SUPERHETE STEM Steam Saturation urve Pressure bar.g Not recommended for use in this region Temperature 45 6PSI ifferential pressure psi 27 Pressure psi.g Maximum cold water capacity x Pressure limit for trap type Velan reserves the right to change this information without notice. 22 Velan Inc. ll rights reserved. 39

40 VELN thermodynmi stem trps H E Type HpT G F STNR MTERILS prt MTERILS ody Forged carbon steel 5 (.Max..25) over Same as body material over gasket SS with graphite filler Floating disc Stainless steel, hardened E Strainer Stainless steel F Strainer cover Same as body material G Strainer cover gasket Stainless steel spiral wound with non-asbestos filler H Seat Hardfaced with or alloy pplitions oiler headers, steam mains, branch lines, soot blower drains and intermediate stage turbine drains. ONNETIONS Screwed Socket-weld utt-weld Flanged ENGINEERING T RanGe 5- (.34-69) PMo (69) MaTeRIal 5 TeMP f/ c capacity 5, 2, Max body design condition: NSI/SME 9 PM = Maximum allowable pressure: 222psi.g@ F (53bar.g@38 ) TM = Maximum allowable temperature: 8 F (427 ) Maximum cold hydrostatic test pressure: 335psi.g (23bar.g) TMO = Maximum operating temperature = TM PMO = Maximum operating pressure: (see Engineering data table) IMENSIONS N weights nps/n a face To face b center To bottom c center To ToP WeIGHT lb/kg scr/sw bw flg scr/sw bw flg learance for Strainer Removal: HPT 5 in (27 mm) min. /2 5 3 / / /8 38 / / conensate capacity ifferential pressure bar The performance graph indicates the continuous discharge capacities of condensate per hour at various pressure differentials across the trap. 6 2 / TeMPeRaTURe limits apacity lb/hr HPT 4 3 apacity kg/hr Temperature F 4 3 Steam saturation curve Pressure bar.g prolonged use above 8 F 427 Not recommended 7 for use in SUPERHETE this region 37 6 STEM Temperature 45 PSI Maximum cold water capacity x ifferential pressure psi Pressure limit for trap type Pressure psi.g 4 Velan reserves the right to change this information without notice. 22 Velan Inc. ll rights reserved.

41 Type VTS VELN thermodynmi stem trps Engineering T type VTS VT F E PRESSURE RNGE 5-6 (.34-42) PMO 6 (42) MTERIL SS 4 MX TEMP F/ Standard MTERILS PRT MTERILS ody Stainless steel 4 Main cover Stainless steel 4 Floating disc Stainless steel, hardened Strainer cover Stainless steel 4 E Strainer gasket Stainless steel 34 F Strainer element Stainless steel 34 MX PITY /2 & 3 /4 6 / / 45 Note: Seat face induction hardened. Type VT (without strainer element) PPLITIONS oiler headers, steam mains, branch lines, tracer lines, sterilizers, multi-platen presses, laundry ironers, rubber and plastic moulding equipment. onnections: Screwed PM = Maximum allowable pressure: 94psi.g@ F (63bar.g@38 ) TM = Maximum allowable temperature: 8 F (427 ) Maximum cold hydrostatic test pressure: 375psi.g (95bar.g) TMO = Maximum operating temperature = TM PMO = Maximum operating pressure: (see Engineering data table) IMENSIONS N WEIGHTS type Size NPS/N face to face enter to bottom enter to top Weight lb/kg /2 learance for Strainer Removal: ½ & ¾ 3½ in (9 mm) min. 4¼ in (8 mm) min. VTS VT 5 /4 3 5 / / / /6 3 / / / /4 7 7 / / / / / / /2. 4 /2 2 /2.7 3 /2.6 3 ONENSTE PITY ifferential pressure bar The performance graph indicates the continuous discharge capacities of condensate per hour at various pressure differentials across the trap. Pressure / Temperature Limits Pressure bar.g apacity lb/hr ½ & ¾ 4 3 apacity kg/hr Temperature F SUPERHETE STEM Steam saturation curve 6PSI use in this region Temperature 45 Trap shell Pressure/temperature curve Maximum cold water capacity x ifferential pressure psi Pressure psi.g Pressure limit for trap type Velan reserves the right to change this information without notice. 22 Velan Inc. ll rights reserved. 4

42 VELN OMPREssEd IR drin trps type MF/MFs for pneumatic use: power tools blowing moulds paint complete unit: built-in strainer, check valve and air vent with dual inlet and outlet connections H F K E M Type MF I J L OMpRESSE IR RINGE In much the same way as steam, but for quite different reasons, compressed air gives up moisture as it cools. The act of compression raises the temperature of the air and even when passed through an after-cooler, it still has heat to loose before reaching the point at which it is used. Water vapor carried in compressed air condenses and collects in the bottom of receivers, tanks or separators, and in low points of compressed air lines. If such accumulations are not removed, the passing air will pick up moisture, which may cause rusting, sticking or spoiled work. TYpE MF N MFS ESIGN FETURES The Velan Type MF float trap automatically removes accumulated water from compressed air systems. onstruction is similar to the Type MFT steam trap except that there is no thermostatic element. boss is provided on top of the cover, tapped for a NPS 3 /8 (N ) air circulating pipe which is necessary unless the trap is fitted directly under and so close to the drain point that air entering the trap can escape back through the inlet. Stainless Steel Float and Trim Type MF N 2 Simple Installation Multiple inlet and outlet connections facilitate horizontal, vertical or angle installation. Integral strainer Stainless steel screens are integral to protect the trap operating mechanism from damage by dirt or scale. No extra fittings or installation costs are required. Free strainer area minimum 5 to. Perforation is.3 (.8 mm). Integral check valve operation The main valve acts as a check valve preventing back flow. Stainless steel pivots ssure adequate protection against wear. Seat or alloy hardfaced Increases resistance to the high degree of wear through velocity of flow, dirt and scale. Freeze-proof installation Freeze-proof without insulation complete drainage when cold. pplitions pneumatic power tool operation: ir operated chucks, ir operated cutters pneumatic blowing operation: Foundry mould blowing, Paint shop spraying Type MFS 42 Velan reserves the right to change this information without notice. 22 Velan Inc. ll rights reserved.

43 VELN OMPREssEd IR drin trps STNR MTERILS prt MTERILS MF-,,2 MF-S ody ast iron Gr.25 ast steel W over Same as body material Plate Stainless steel /8 thick Holder Stainless steel E Float Stainless steel F over gasket Stainless steel with non-asbestos filler G over screw High tensile steel Gr. S H Strainer Stainless steel I Stem and ball Stainless steel J Seat () SS hardfaced with or alloy k Self- locking adjusting nut Stainless steel L Pivot plug Stainless steel M onnection for balance pipe 3 /8 NPT () MF: hardened seat. ENGINEERING T TYPe Mfa Mfa Mfa2 Mfas RanGe PMo MaTeRIal ast iron Gr ast carbon steel W orifice 7 / capacity 4, , 2,45 6, 2,727 3,,364 3,,59 4,,88 PM = Maximum allowable pressure = PMO Maximum cold hydrostatic test pressure: 4psi.g (27.5bar.g) where PMO psi.g Twice PMO where PMO > psi.g PMO = Maximum operating pressure: (see Engineering data table) conensate capacity The performance graph indicates the continuous discharge capacities of condensate per hour at various pressure differentials across the trap. apacity lb/h, MF, & 2 MFS bar 5 ifferential Pressure psi 6 Type MF Type MF, kg/h IMENSIONS N weights TYPe Mfa TYPe Mfa Mfa2 Mfa2 TYPe Mfas nps/n /2 3/4 5 2 nps/n /2 3/ / /4 / nps/n /2 3/ a HeIGHT 6 /8 56 b () center To face a WeIGHT face To face b c lb/kg center To bottom center To ToP scr/sw bw flg scr/sw bw flg 3 / /8 a () face To face 6 5 / / /6 246 c (2) center To face 6 52 b (2) center To center 3 5 /6 4 3 /4 2 4 /2 4 5 /4 33 length WeIGHT lb/kg c (3) center To face 3 / / / /4 235 length 8 5 / / /8 264 () Vertical connection. (2) Horizontal connection. (3) enter of vertical outlet to face of horizontal outlet. /8 29 () enter of inlet to outlet face. (2) enter of outlet to inlet face. 6 3 /4 7 WeIGHT lb/kg Type MFS Velan reserves the right to change this information without notice. 22 Velan Inc. ll rights reserved. 43

44 INLINEd striners ESIGN FETURES Forged body () Offers the advantages of high strength, structural integrity and reliability that make it an ideal choice for steam service. Stainless steel screen () an withstand severe abrasive service and is carefully fitted to prevent leakage between the screen and body. Screens are normally supplied in stainless steel with.3 (.8 mm) holes (26% free area). Easy internal maintenance Strainers are extremely easy to clean. They may be blown down by simply removing the optional blow down plug or via a suitable valve fitted in its place. pplitions Velan strainers protect steam traps, pumps, temperature and pressure regulators, gauges, instruments, air motors and other equipment from dirt, scale and other debris. OPTIONL LOWOWN PLUG lternate seal weld Gasketted end construction Screwed ends utt-weld ends Socket-weld ends utt-weld ends with stub IMENSIONS & weights a b c face To face butt Wel (stubs) center To nps scr/sw bw () & flange bottom n /2 3 5 /8 4 /4 3 5 /8 4 /4 8 /2 3 / /4 4 /4 4 /4 4 /4 4 /4 9 3 /4 5 3 /8 5 3 / /6 5 5 /6 5 /6 5 5 /6 2 / /4 7 6 / /4 8 / / / /8 8 / /2 7 3 /4 2 / () These butt-weld dimensions do not comply with SME/NSI 6. (S 28). Velan reserves the right to vary specifications from time to time. 44 Velan reserves the right to change this information without notice. 22 Velan Inc. ll rights reserved.

45 EssORIEs VUUM REkERS Vacuum breakers should be installed wherever vacuum is created in pipelines or other equipment to ensure trouble free operation such as in heating coils for uninterrupted production and elimination of freezing. The units are factory set to operate at 5 inhg (mercury) (.7 bar.g) vacuum but can easily be reset to suit plant conditions. Other applications include: unit heaters, cooking kettles, blast coils, and airconditioning equipment. ENGINEERING T npt THRea nps/n /2 5 3/ STNR MTERILS orifice /2 3 5/8 6 3/4 9 THERMOMETER The Velan thermometer is actuated by a bimetallic helix shaped strip, which is enclosed in stainless steel. Its strong design will withstand adverse conditions and combines reliability with accuracy. The thermometer can be recalibrated on the spot and can be supplied with the following scales and ranges of operation: F ( 3 ) ase diameter: 3 /4 (45 mm) Length: /2 (38 mm) Screwed connection: /4 NPT F ( ) ase diameter: 2 3 /4 (7 mm) Length: 3 3 /4 (95 mm) Screwed connection: /4 NPT Seating face hardfaced with or alloy and lapped with ball. a /2 38 / /6 56 b 2 3/ / /4 7 prt MTERILS SpEIFITION ody Stainless steel S 97-4S2 Stem and ball Stainless steel Stem: S 97-4S2 all: ISI 44 ompression spring Stainless steel S 97-33S2 djusting nut Stainless steel S 97-4S2 E Self locking nut Stainless steel S 97-34S5 WeIGHT oz/g STRINER LOwOwN VLVE rugged stainless steel blowdown valve can be installed below the strainer in Velan steam traps as an optional extra. ody and valve are both stainless steel hardened. forged steel globe, stop or needle valve can be fitted for high pressure operation or where greater integrity is required. blowdown valve onnections: Inlet: NPS 3 /8 (N ) male screwed NPT Outlet: NPS /4 (N 6) female screwed NPT TEMpERTURE ONTROLLER vailable for SSF, SpF, SF and Sp Velan steam traps are factory set to discharge condensate below saturated steam temperature, to save energy up to 3% and no further adjustment is required provided the trap is properly selected based on capacity. To change the discharge temperature you must turn the regulating nut of the temperature controller towards the bottom of the trap to increase the differential temperature or away from the bottom of the trap to decrease the differential temperature. The movement of the regulating nut is transferred directly without friction to the trap valve and the free movement of the valve is increased or decreased accordingly. The result of the setting can be determined by checking the condensate s temperature with a Velan thermometer installed on the trap. Other uses for the temperature controller are: a) excessive back pressure can be compensated for by turning the controller away from the trap bottom, b) if condensate is backed up, a faster rate of discharge is obtained by turning the controller away from the trap bottom, increasing the valve clearance, c) if the trap leaks steam, and the seating faces are not dirty or damaged, turning the controller towards the trap bottom will reduce the valve clearance thus slowing the trap response time, preventing steam loss. Velan reserves the right to change this information without notice. 22 Velan Inc. ll rights reserved. 45

46 VELN stem trps SVE UP TO 3% ENERGY *thermal Units are in btu/lb (kcal/kg) Typical example: Oil storage tank heating coil Required heat input: 2,, tu/h (54, kcal/h) Steam supply: 25 psi.g/46 F (7.2 bar.g/28 ) 25 psi (7.2 bar) ENERGY (STEM) INpUT using conventional bucket, float, thermodynamic and bellows traps ondensate is discharged as soon as it forms. The latent heat is extracted which, in our example, is 82 (456)* per pound of condensate. Most of the sensible heat contained in the condensate 38.5 (22)* or 32% is wasted. STEM EMN = 2,, tu/h = 2,44 lb/h 82 tu/lb of Steam or = 54, kcal/h =,5 kg/h 456 kcal/kg of Steam Input per lb (kg)* 2 (668)* % 38 (22)* 82 (456)* 82 (456)* 67% used 46 F (28 ) 8 F 82 ENERGY (STEM) INpUT using Velan bimetallic traps When using Velan bimetallic steam traps the discharge temperature of condensate is adjusted by a temperature controller and most of the sensible heat in the conden-sate is saved. ondensate is discharged at 8 F (82 ) (29)* [ (22-83)*] are available to re-evaporate part of lodged condensate 82 (456)* required per lb (kg) (29)* will evaporate 29% into live steam. Heat is transferred to the oil efficiently and the heating process with high pressure condensate approaches heating with live steam. 82 (456)* Input per lb (kg)* 2 (668)* % 38 (22)* Temperature controller STEM EMN = 2,, tu/h =,9 lb/h ( ) tu/lb of steam or = 54, kcal/h = 86 kg/h ( ) kcal/kg of steam 38 (22)* 5 (584)* 89% used savings steam savings 54 lb/h (244kg/h) [2,44-,9 or 22% (,5-86 or 22%)] 4,73,4 lb/year 9,46 Us $ /year (at 2 Us $ for lb (455 kg) of steam Submit your steam trapping systems to Velan for free energy savings analysis 46 Velan reserves the right to change this information without notice. 22 Velan Inc. ll rights reserved.

47 FTS FOR ESTIMTING TRP VLUE comparison of principles of operation What design features to look for when selecting a steam trap Velan Universal Thermostatic Float ucket Thermodynamic ischarge valve Heat of steam closes Only by heat. uoyancy and losed by steam losed by flow of hot conactuated by: valve. Pressure opens weight of float. pressure. Opened by densate flashing into vapor. valve when condensate bucket weight and Opened by flow of cold cools down. high levelage. condensate, no flashing. Perfect discharge ondensate Selected trap size exactly Selected trap size exactly Selected trap size exactly ondensate when: cools down. conforms with working conforms with working conforms with working temperature low. pressure and capacity. pressure and capacity. pressure and capacity. Trap selection: Universal sizes ccording to capacity ertain after trial only ertain after trial only ccording to capacity with large range. and temperature. due to small adaptability due to small adaptability and temperature. to pressure and to pressure and capacity variations. capacity variations. Incorrect selection Universal sizes. Low discharge Steam loss. Steam loss Low discharge effects: capacity. No flow or No flow or capacity. continuous flow. continuous flow. djusting facilities for The only trap adjustable None. None. New size or type None. New size or type None. changed conditions: for specific conditions. New size required. required. New valve required. New valve New size or No change of parts required. orifice eventually. orifice eventually. type required. bility for air utomatically with utomatic air None. dditional cost Small. Extra cost utomatically. elimination: full trap capacity. elimination. for air-bypass valve for auxiliary No additional No additional valve. No additional of valve. and its installation. air-bypass valve. check valve. bility to handle cold utomatic cold water utomatic cold Intermittent discharge utomatic cold utomatic cold initial peakloads: discharge with full capacity. condensate discharge. causes shocks. condensate discharge. condensate discharge. bility to handle ordinary Integral strainer in all None. Extra cost for None. Extra cost for None. Extra cost for None. sediment and sludge, units. Low first cost and strainer, additional fittings strainer additional fittings strainer. logging of bucket Extra cost for strainer dirt conditions: cheapest installation. and installation. and installation. hole results in steam waste. and its installation. bsence of strainer Integral strainer Smaller flow. Steam loss. Smaller flow. Steam loss. No flow. Steam waste. No flow. ontinuous flow. often causes: in all units. irt getting into working irt getting into working uckets vent plugged Steam waste. parts and orifice. parts and orifice. or trap filled with dirt. irt, scale clogging seats and valve orifice. bility to handle Good as bimetal Good as bellow Small. Pressure high: Small. Pressure high: Good. pressure variations: follows saturated function of no flow. New valve orifice no flow. New valve orifice epending on condensteam curve. saturated steam. for raised pressure. for raised pressure. sate temperature. bility to handle Good due to epending on Small. Small. epending on variations in load: oversized orifice. size of trap. ontinuous discharge ontinuous discharge size of trap. of trap too small. of trap too small. bility to close valve Yes. If required for % Small. None. None. Small. on hot water only to steam loss proof operation. prevent steam loss: djustability by temperature controller (optional). bility to handle Patented discharge valve None. Extra cost for None. Extra cost for None. Extra cost for None. Extra cost for back pressure: operates as check valve. check valve, additional check valve. Steam loss check valve. Steam loss check valve. Steam loss if No extra cost for separate fittings and their if sudden or frequent if sudden or frequent sudden or frequent check valve involved. installation. frequent drop in pressure. frequent drop in pressure. drop in pressure. Installation The only all-position Only one position. Only horizontal. Not Only vertical. ostly Only horizontal. position: straight way type. dditional cost for fitting. suitable for marine service piping. Not suitable for ostly piping. (float). ostly piping. marine service (float). Installation Lowest. Installed directly High. dditional High. High. Fair. Extra cost for additional cost: in pipe line without cost for strainer, Extra cost for additional Extra cost for additional fittings, strainer, check valve, fittings. Integral strainer, check valve. fittings, strainer, fittings, strainer, air vent. check valve, air-bypass. check valve, air vent. check valve, air vent. Maintenance Lowest. High. High. Fair. Fair. cost: One size interchangeable. Many sizes, large Many sizes, large Many sizes. Many sizes. all over the plant. No fittings. stock of spare parts, stock of spare parts, Large stock of Large stock of onsiderably reduced spare fittings. Short life of fittings. Short life of spare parts, fittings. spare parts, fittings. parts stock. Element cheap. flexible element. valve due to shocks. elicate valve. Size, weight: Small, light weight Fair. Large, heavy. Medium. For high capacity Fair. Weight up to 8 lb (36 kg). weight up to 8 lb (36 kg). Freeze-proof % freeze-proof in vertical Special types. Not when None. None. Yes. operation: position. Valve widely open. trap fails and closes valve. bility to control utomatic temperature None. Precautions Precautions None. temperature in control for specific necessary. necessary. heat process: requirements; optional. Superheated Highly recommended Good only up to Fair. anger of Fair. anger of Fair but always small steam: up to F (593 ). F (26 ). re-evaporation body-water re-evaporation of body- steam escapes. Valve tightly closed or Expensive stainless and tremendous loss water and tremendous high temperature. steel bellows. of steam. loss of steam. Note: The information on this page is general in nature and not intended to show the exact design or performance of any specific manufacturer. The technical comparisons are not intended to downgrade other trap types but to compare their features and operating principles with the Velan steam trap. Velan reserves the right to change this information without notice. 22 Velan Inc. ll rights reserved. 47

48 Selection and sizing determining the capacity of steam traps To determine the discharge capacity of steam traps, the following factors must be taken into consideration: Pressure differential between inlet and outlet iameter of orifice ischarge temperature of condensate The condensate capacity charts given for each type are based on tests under working conditions and represent the actual maximum performance with condensate at 4 F (22 ) below saturated steam temperature, which is the standard setting. Traps will normally commence opening at 5 F (8 ) below saturated steam temperature, but this can be varied if required. If the condensate is cooler, when starting up from cold for instance, the capacities will be increased considerably. small increase in the setting of the trap will result in a closer temperature differential and an increase in capacity. decrease in setting will provide an element of temperature control, discharging cooler condensate at predetermined temperatures, with reduced flow rates. how to select the size and type of trap for a given duty alculate or estimate the maximum amount of steam condensate in lb/h or kg/h and multiply by the appropriate safety factor shown in the Table of Safety Factors (see bottom page 5). scertain the minimum pressure at the trapping point and the maximum pressure liable to occur at the outlet side of the trap. The difference of these two gives the Pressure ifferential. There are four possible arrangements for the trap, with corresponding variations in the Pressure ifferential (Example: with steam at 2 psi.g (.38 bar.g)): (a) Trap discharging to atmosphere: Pressure on outlet of trap The Pressure ifferential Imperial Metric = 2 psi.g.38 bar.g () Trap discharging into a closed return main with a positive backpressure of: Pressure at trap outlet The Pressure ifferential = 5 psi.g 2-5 psi.g 5 psi.g.34 bar.g bar.g.4 bar.g (c) Trap discharging into overhead return main, open to atmosphere, 6ft (.8m) above the trap. The condensate therefore has to be lifted and causes a back pressure of approximately psi for every 2 ft of lift (. bar.g per meter). The Pressure ifferential = 2-6 / psi.g x bar.g ) Trap discharge into a vacuum, such as a condenser. In this case, as the trap pressure is above atmospheric pressure the condenser pressure must be added to obtain the Pressure ifferential. ondenser pressures normally are given by vacuum gauges in inches of mercury (inhg) and/or bar.g. When calculating in imperial units the inhg should be converted to psi as follows: 2 inhg corresponds to approximately psi. If the vacuum gauge reads 6 inhg (-.54 bar.g): The Pressure ifferential = Having calculated the Pressure ifferential refer to the individual Performance harts and select a trap suitable for the estimated discharge at the Pressure ifferential / psi.g bar.g 48 Velan reserves the right to change this information without notice. 22 Velan Inc. ll rights reserved.

49 Steam tbles VUUM GUGE Pressure SOLUTE Pressure STURTION Temperature (ts) WTER Sensible heat (hf) kj/kg SPEIFI ENTHLPY EVPORTION Latent heat (hfg) kj/kg WTER Sensible heat (hf) tu/lb EVPORTION Latent heat (hfg) tu/lb SPEIFI Volume Steam bar.g psi.g bar.a psi.a F m 3 /kg ft 3 /lb These figures are in inches of Mercury VUUM Velan reserves the right to change this information without notice. 22 Velan Inc. ll rights reserved. 49 Vg

50 Steam tbles GUGE Pressure SOLUTE Pressure STURTION Temperature (ts) WTER Sensible heat (hf) kj/kg SPEIFI ENTHLPY EVPORTION Latent heat (hfg) kj/kg WTER Sensible heat (hf) tu/lb EVPORTION Latent heat (hfg) tu/lb SPEIFI Volume Steam bar.g psi.g bar.a psi.a F m 3 /kg ft 3 /lb Vg 5 Velan reserves the right to change this information without notice. 22 Velan Inc. ll rights reserved.

51 HOW how to TO order ORER Model End connection type End connection size Working pressure psi.g (max) Type E ody material F ccessories G Trim options H S p F w O 7 J 2 R bove example: SPF (,, 2, & 3), NPS /2 (N 4) socket-weld connection, maximum 35 psi.g, in carbon steel, with temperature controller and Truflex trim. The figure numbers shown on this key are designed to cover essential features of Velan steam traps. Please use figure numbers to ensure prompt and accurate processing of your order. detailed description must accompany any special orders. MOEL HPT - HPT MF5 - MF5 TS - TS MFTO - MFTO MFTS - MFTS TSFO - TSF MFT - MFT MFS - MFS USTO - UST MFT2 - MFT2 NOOO - N VOO - vacuum breaker MFT3 - MFT3 QOO - Q VTO - VT MFT4 - MFT4 SFOO - SF VTS - VTS MFT5 - MFT5 SSFO - SSF VTSO - VTS MFO - MFO SPF - SPF,, 2 & 3 MF - MF SPF - SPF 4, 5, 6 & 7 MF2 - MF2 SPOO - SP 6, 7 & 8 End onnection Type utt-weld: FLNGE: FLNGE: O - SH. 4 (Raised face) FJ - ST O - SH. 8 F - SME 5 FK - ST O - SH. 6 F - SME 3 FL - ST E EO - SH. XXS F - SME 6 FM - ST F O - ombination ends F - SME FN - ST H WO - Socket-weld FE - SME 2 FO - ST J XO - Special ends FF - PN /6 FP - ST K SREWE: FG - PN 25/4 FQ - ST R NO - NPT FH - PN 64 FR - ST S SO - SP.P FI - PN FS - ST T TO - SP.T FT-PN 6 FX - Special EN ONNETION SIZE - NPS (N) - Special 3-2 (5) 6-4 (32) (65) 4-6 (5) - Special element - ombination - 4 (8) (2) 7-2 (4) - 3 (8) - Welded seat R - Truflex () 5 - (25) 8-2 (5) 2-4 () - Screwed seat O - None Notes:. For a more detailed list of available trims, contact the factory or visit our web site at 2. NSI class trap suffix fig no. with hyphen class rating eg: NW5M2R = NPS (N 25) socket-weld N trap psi.g operating pressure with shell rating to NSI class. 3. Pipe connectors for universal steam trap Type UST available in sizes NPS ½, ¾, and (N 5, 2, and 25) on request. table of safety Ftors TYPE OF EQUIPMENT safety FTOR oils (blast, unit heaters), air heaters, dryers, air conditioning plant: (a) Using inside air... 2 (b) Using outside air:... 3 Kilns, drying room ovens, steam mains, paper machines, drying cylinders, autoclaves, platens, laundry ironers, sterilisers... 3 Heat exchangers calorifiers, jacketted pans, hot water heaters, temperature control and where throttling steam controls are used WORKING PRESSURE psi.g (maximum) - 5 F - 5 L - 6 R - 25 W G - M- S - 9 X - Special - 5 H - 3 N - 2 T Y J - 35 P - 4 U - 23 Z - 26 E - 25 K - 4 Q - 2 V E TYPE - Steam traps G- Freeze protector - Trap with integral bypass H - Piping King (isolating valve) - Piping King (no bypass) I - Trap + 2 PV double isolation - Piping King (with bypass) J - Trap + 3 PV bypass unit E - ir trap K - Trap + PV single isolation F - Vacuum breaker X - Special F ody material - Special 6 - hr. moly., alloy steel, F22/W9 2 - arbon steel, 5/W 7 - ast iron 4 - hr. moly., alloy steel, F9/2 8 - ronze 5 - hr. moly., alloy steel, F/W6 9 - Stainless steel G ESSORIES - None 5 - ombination - Temperature controller 6 - Special 2 - Strainer blowdown valve 7 - Sight glass 3 - Test valve 8 - Thermometer 4 - Strainer plug 9 - Separate strainer H TRIM OPTIONS Example: trap is required for a heat exchanger which is supplied with steam at psi.g (7 bar.g) and has a consumption of lb (68 kg) steam per hour. The trap discharges to closed return main at a pressure of psi.g (.7 bar.g). The safety factor for this type application is 2. Imperial Metric Trap inlet pressure psi.g 7 bar.g Trap outlet pressure psi.g.7 bar.g ifferential pressure 9 psi.g 6.2 bar.g Steam consumption, lb/h 68 kg/h pplying safety factor of 2 3, lb/h,365 kg/h Therefore select trap from the individual Performance charts capable of discharging 3, lb/h (,365 kg/h) at a differential pressure of 9 psi.g (6.3 bar.g). Velan reserves the right to change this information without notice. 22 Velan Inc. ll rights reserved. 5

52 The most comprehensive line of industrial forged and cast steel gate, globe, check, ball, butterfly, and knife gate valves and steam traps. SME pressure classes 5 4 in carbon, alloy, and stainless steel VEL-SFV VEL-G VEL-PS VEL-S VEL-RYO VEL-SV VEL-PI-63 VEL-KGV VEL-PQV RO-FLV VEL-F T-SS-TORQ VEL-MS T-PV VEL-V VEL-V T-GPV T-SS-FLEX T-SS-ON T-ST Headquartered in Montreal, anada, Velan has several international subsidiaries. For general inquiries: Velan head office 77 ôte de Liesse, Montreal, Q H4T G2 anada Tel: Fax: heck our website for more specific contact information Velan Inc., Montreal, Q, anada. ll rights reserved. The contents hereof are confidential and proprietary to Velan. ny unauthorized reproduction or disclosure, in whole or in part, is strictly prohibited. The material in this catalog is for general information only and shall not be used for specific performance data and material selection without first consulting Velan. Velan reserves the right to change this information without notice. Velan does not accept any liability or damages arising from the use of information in this catalog. Velan Valves, Velan Inc., Memoryseal, Securaseal, Torqseal, Proquip, Velflex, daxie, and RM are trademarks or registered trademarks of Velan Inc. and/or another Velan company. Stellite is a registered trademark of Kennametal Stellite, a wholly owned subsidiary of Kennametal Inc. ll other trademarks and registered trademarks are owned by their respective companies. T-ST--2 Printed in anada