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] 32 22 2 pressure [psig] 465 320 305 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] 5 20 25 5 20 25 5 20 25 [inch] ½ ¾ ½ ¾ ½ ¾ imensions 50 50 60 95 200 [mm] H 70 70 70 H2 88 88 88 Approx. weight [kg] 3.7 4.3 4.8 2.2 2. 2.0 2.5 2.5 2.5 BK 45 with butt-weld ends 53 Related temperature [ C] 250 385 400 [ ] 482 725 752 Max. differential pressure (inlet pressure minus outlet pressure) Pressure [bar] 40 36 32 28 24 20 6 20 Materials Body, cover Screws 00 Bimetallic regulator Other internals 22 barg (320 psig) 200 250 300 350 400 [ 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 95 05 5 88.9 98.4 07.9 95.2 7.5 23.8 b 6 8 8. 2.7 4.3 4.3 5.9 7.5 k 65 75 85 60.3 69.8 79.4 66.7 82.5 88.9 g 45 58 68 34.9 42.9 50.8 34.9 42.9 50.8 l 4 4 4 5.9 5.9 5.9 5.9 9.0 9.0 Number of bolts 4 4 4 4 4 4 4 4 4
A BK 45 and BK 45U GESTRA GmbH P.O. Box 0 54 60, -28054 Bremen Hemmstraße 30, -2825 Bremen Tel. +49 (0) 42 3503-0, ax -393 E-mail gestra.gmbh@gestra.de Internet www.gestra.de 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 0204 2.2 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 375234 375235 gasket H, I, Strainer set, 3753 3753 J complete Cover gasket *) (set with 37559 37559 50 items )) Strainer gasket I*) (set with 37562 37562 50 items )) *) Parts subject to wear ) Contact your local dealer for smaller quantities. 998 GESTRA GmbH BREMEN Printed in Germany 80436-0/00c
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] 35 32 28 pressure [psig] 508 464 406 Related [ C] 300 335 450 temperature [ ] 572 634 842 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] 40 36 32 28 24 20 250 275 300 325 350 375 400 425 450 [ C] Temp. BK 46 with screwed sockets socket-weld ends imensions and Weights langed Screwed Socket-weld Nominal sizes [mm] 5 20 25 5 20 25 [inch] ½ ¾ ½ ¾ imensions 50 50 60 95 [mm] H 70 70 H2 88 88 Approx. weight kg 3.7 4.3 4.8 2.2 2. 2.0 lange dimensions IN C 50 C 300 lange 95 05 5 88.9 98.4 07.9 95.2 7.5 23.8 dimensions b 6 8 8. 2.7 4.3 4.3 5.9 7.5 k 65 75 85 60.3 69.8 79.4 66.7 82.5 88.9 g 45 58 68 34.9 42.9 50.8 34.9 42.9 50.8 l 4 4 4 5.9 5.9 5.9 5.9 9.0 9.0 Number of bolts 4 4 4 4 4 4 4 4 4 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
A BK 46 GESTRA GmbH P.O. Box 0 54 60, -28054 Bremen Hemmstraße 30, -2825 Bremen Tel. +49 (0) 42 3503-0, ax -393 E-mail gestra.gmbh@gestra.de Internet www.gestra.de 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 0204-2.2 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 375464 gasket H, I, Strainer set, 3753 J complete Cover gasket, set 37559 *) with 50 items ) Strainer gasket, set 37562 I*) with 50 items ) *) Parts subject to wear ) Contact your local dealer for smaller quantities 2000 GESTRA GmbH BREMEN Printed in Germany 80632-00/00c
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] 32 22 2 pressure [psig] 465 320 305 H 2 ø l Related [ C] 250 385 400 temperature [ ] 482 725 842 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] 5 20 25 5 20 25 5 20 25 [inch] ½ ¾ ½ ¾ ½ ¾ imensions 50 50 60 95 200 [mm] H 70 70 70 H 2 88 88 88 Approx. weight [kg] 3.7 4.3 4.8 2.2 2. 2.0 2.5 2.5 2.5 lange dimensions IN C 50 C 300 lange dimensions 95 05 5 88.9 98.4 07.9 95.2 7.5 23.8 b 6 8 8. 2.7 4.3 4.3 5.9 7.5 k 65 75 85 60.3 69.8 79.4 66.7 82.5 88.9 g 45 58 68 34.9 42.9 50.8 34.9 42.9 50.8 l 4 4 4 5.9 5.9 5.9 5.9 9.0 9.0 Number of bolts 4 4 4 4 4 4 4 4 4
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] 2 4 8 2 6 20 26 32 [psig] 4.5 29 58 6 74 232 290 377 464 Opening temperature [ C] 72 74 78 85 89 93 97 03 09 (factory setting) [ ] 62 65 72 85 92 99 206 27 228 Capacity at t 0 K below opening temperature [kg/h] 94 3 36 64 84 98 2 226 239 Cold condensate capacity at 20 C (start-up [kg/h] 267 390 570 832 039 25 373 584 774 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 0204-2.2 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. 375 324 375 59 Strainer set, complete 375 3 375 62 GESTRA AG P.O.Box 0 54 60, -28054 Bremen Münchener Str. 77, -2825 Bremen Tel. +49 (0) 42 35 03-0, ax +49 (0) 42 35 03-393 E-Mail gestra.ag@flowserve.com, Internet www.gestra.de 80474-02/05c 998 GESTRA AG Bremen Printed in Germany