ø D ø g ø k Max. service [barg] pressure [psig] H 1 96 L BK 45 with butt-weld ends End connections Screwed Socket-weld

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1 GESTRA Steam Trap RHOMBUSline BK 45 and BK 45U International patents Issue date: /00 BK 45 and BK 45U A Space required for opening trap 70 b Thermostatic steam trap with corrosion-resistant thermostatic element (uo stainless steel bimetallic regulator) unaffected by waterhammer. Y-type strainer, non-return valve and asbestos-free cover gasket (graphite) included as standard. The traps with standard regulator discharge the condensate with virtually no banking-up. Optionally BK 45U with an undercooling of approx. 30 K (to utilize the condensate heat in steam tracers). H 2 ø l ield of application: raining of saturated steam and superheated steam lines and steam tracers. Can also be used for air-venting. Installation in any position. In horizontal pipes the cover must be on top. ø g ø k ø Pressure/Temperature Ratings Max. service [barg] pressure [psig] H Space required for opening strainer 30 BK 45 with screwed sockets socket-weld ends imensions and weights langed BK 45 with flanged ends (to IN) Screwed Socket-weld Butt-weld Nominal sizes [mm] [inch] ½ ¾ ½ ¾ ½ ¾ imensions [mm] H H Approx. weight [kg] BK 45 with butt-weld ends 53 Related temperature [ C] [ ] Max. differential pressure (inlet pressure minus outlet pressure) Pressure [bar] Materials Body, cover Screws 00 Bimetallic regulator Other internals 22 barg (320 psig) [ C] Temp. IN reference C 22.8 A 05 (.0460) 24 CrMo 5 A93B7 (.7258) Connections langes: IN,. ANSI 50 and 300 lb/in 2 Screwed sockets: BSP or NPT (API) Socket-weld ends Butt-weld ends ASTM equivalent lange dimensions IN C 50 C 300 lange dimensions b k g l Number of bolts

2 A BK 45 and BK 45U GESTRA GmbH P.O. Box , Bremen Hemmstraße 30, Bremen Tel. +49 (0) , ax gestra.gmbh@gestra.de Internet Capacity Charts The charts show the maximum capacities for hot and cold condensate. Capacity Chart for BK 45 and BK 45U Curve Curve indicates the max. capacity of hot condensate that the BK 45 having a standard regulator can discharge with virtually no banking-up. The BK 45U (undercooling) discharges the condensate when it is approx. 30 K (degc) below saturation temperature (banking-up of condensate). Curve 2 Curve 2 shows the max. capacity of cold condensate that the BK 45 and BK 45U can discharge (condensate temperature 20 C). Capacity PMX When ordering please state: Steam pressure, back pressure, quantity of condensate to be discharged, type, size, connections, mounting position of the trap, and details of application. The following test certificates can be issued on request, at extra cost: In accordance with EN and -3. B. All inspection requirements have to be stated with the order. After supply of the equipment certificates can no longer be established. Charges and extent of the above mentioned certificates as well as the different tests confirmed therein are listed in our price list Test and Inspection Charges for Standard Equipment. or other tests and inspections than those listed above, please consult us. Supply in accordance with our general terms of business. Technical modifications reserved. H I J Standard Spare Parts Item. esignation Order No. No. BK 45 BK 45U Regulator, complete, including cover gasket H, I, Strainer set, J complete Cover gasket *) (set with items )) Strainer gasket I*) (set with items )) *) Parts subject to wear ) Contact your local dealer for smaller quantities. 998 GESTRA GmbH BREMEN Printed in Germany /00c

3 GESTRA Steam Trap RHOMBUSline BK 46 International patents A Issue ate: /00 BK 46 H 2 Space required for opening trap 70 mm b ø l Thermostatic steam trap with corrosionresistant thermostatic element (uo stainless steel bimetallic regulator) unaffected by waterhammer. Y-type strainer, non-return valve and asbestosfree cover gasket (graphite) included as standard to guarantee extended service life of the trap. The traps with standard regulator discharge the condensate with virtually no banking-up. Automatic air-venting at start-up and during operation. Application: raining of saturated steam and superheated steam lines and steam tracers. Can also be used for air-venting. Installation in any position. When installed in horizontal pipes the cover must be on top. ø g ø k ø Pressure/Temperature Ratings H Max. service [barg] pressure [psig] Related [ C] temperature [ ] Space required for opening strainer 30 mm BK 46 with flanged ends (to IN) Max. differential pressure (inlet pressure minus outlet pressure) 32 barg (464 psig) Pressure [bar] [ C] Temp. BK 46 with screwed sockets socket-weld ends imensions and Weights langed Screwed Socket-weld Nominal sizes [mm] [inch] ½ ¾ ½ ¾ imensions [mm] H H Approx. weight kg lange dimensions IN C 50 C 300 lange dimensions b k g l Number of bolts Materials Body, cover Screws Bimetallic regulator Other internals IN reference 5 Mo 3 (.545) 42 CrMo 4 (.7225) ASTM equivalent ) A 82 A 93 B7 ) Physical and chemical properties comply with IN grade. ASTM nearest equivalent grade is stated for guidance only. Connections langes: IN, ASME Class 50 and 300 Screwed sockets: BSP or NPT Socket-weld ends

4 A BK 46 GESTRA GmbH P.O. Box , Bremen Hemmstraße 30, Bremen Tel. +49 (0) , ax gestra.gmbh@gestra.de Internet Capacity Charts The charts show the maximum capacities for hot and cold condensate. Curve This curve indicates the max. capacity of hot condensate that the BK 46 can discharge with virtually no banking-up. Capacity Chart for BK 46 2 Curve 2 Curve 2 shows the max. capacity of cold condensate that the BK 46 can discharge (condensate temperature 20 C). When ordering please state: Steam pressure, back pressure, quantity of condensate to be discharged, type, size, connections, mounting position of the trap, and details of application. The following test certificates can be issued on request, at extra cost: In accordance with IN EN and -3.B. All inspection requirements have to be stated with the order. After supply of the equipment certificates can no longer be established. Charges and extent of the above mentioned certificates as well as the different tests confirmed therein are listed in our price list Test and Inspection Charges for Standard Equipment. or other tests and inspections than those listed above, please consult us. Supply in accordance with our general terms of business. Technical modifications reserved. H I J Standard Spare Parts Item esignation Order No. Regulator, complete, including cover gasket H, I, Strainer set, 3753 J complete Cover gasket, set *) with 50 items ) Strainer gasket, set I*) with 50 items ) *) Parts subject to wear ) Contact your local dealer for smaller quantities 2000 GESTRA GmbH BREMEN Printed in Germany /00c

5 GESTRA Issue ate: /05 GESTRA Steam Systems Steam Trap RHOMBUSline UBK 46, () International Patents Product Range Group A UBK 46 System escription The UBK 46 is a steam trap with adjustable condensate discharge temperature, thereby suppressing the formation of flash steam. Main field of application: Steam heated tracing systems. esign: With corrosion-resistant uo stainless steel (bimetallic) regulator unaffected by waterhammer and Y-type large-surface strainer. Installation in any position. When installed in horizontal lines cover must be on top. Space required for opening trap 70 b Pressure/Temperature Ratings Max. service [barg] pressure [psig] H 2 ø l Related [ C] temperature [ ] ø g ø k ø Max. differential pressure (inlet pressure 32 barg minus outlet pressure) (465 psig) H Materials Body, cover IN reference C 22.8 (.0460) ASTM equivalent A 05 Space required for opening strainer 30 UBK 46 with flanged ends (to IN) Screws Bimetallic regulator Other internals 24 CrMo 5 (.7258) A 93 B 7 53 Connections langes: IN, ANSI 50 and 300 lb/in² Screwed sockets: BSP or NPT (API) Socket-weld ends Butt-weld ends screwed sockets UBK 46 with socket-weld ends UBK 46 with butt-weld ends imensions and weights langed Screwed Socket-weld Butt-weld Nominal sizes [mm] [inch] ½ ¾ ½ ¾ ½ ¾ imensions [mm] H H Approx. weight [kg] lange dimensions IN C 50 C 300 lange dimensions b k g l Number of bolts

6 Steam Trap RHOMBUSline UBK 46, () Table of Capacities The capacities indicated in the table assume factory setting and no back pressure (discharge to atmosphere). Capacities and Opening Temperatures Max. service pressure [barg] [psig] Opening temperature [ C] (factory setting) [ ] Capacity at t 0 K below opening temperature [kg/h] Cold condensate capacity at 20 C (start-up [kg/h] capacity) When ordering please state: Steam pressure, back pressure, quantity of condensate to be discharged, type, size, connections, mounting position of the trap, and details of application. The following test certificates can be issued on request, at extra cost: In accordance with EN and -3.B. All inspection requirements have to be stated with the order. After supply of the equipment certificates can no longer be established. Charges and extent of the above mentioned certificates as well as the different tests confirmed therein are listed in our price list Test and Inspection Charges for Standard Equipment. or other tests and inspections than those listed above, please consult us. Supply in accordance with our general terms of business. Spare Parts H Item I J H I J esignation Regulator with cover gasket Cover gasket*) 40 x 48 x 2, graphite Strainer gasket*) I A24 x 29, stainless steel *) Minimum order quantity 50 items. Contact your local dealer for smaller quantities. Ref. No Strainer set, complete GESTRA AG P.O.Box , Bremen Münchener Str. 77, Bremen Tel. +49 (0) , ax +49 (0) gestra.ag@flowserve.com, Internet /05c 998 GESTRA AG Bremen Printed in Germany