CRYOGENIC
Type 03843 - Actuated Globe Valve
Cryogenic-Globe Valves with Pneumatic Actuator, class 300
“ Fire safe ” type test approval acc. to EN ISO 10497


Stainless steel body and topwork Actuator - air opens, spring closes or vice versa "live loaded" gland packing "cleaned and degreased for oxygen service" - the actuator is not cleaned and degreased for oxygen

Part No. 03843.X.*013

Flanged connection acc. to ASME B16.5 class 300 Available accessories:

- Solenoid valve
- Limit switch
- Electropneumatic positioner etc.

Available options - on request only:
- Actuator - "cleaned and degreased for oxygen service"
- Electric actuator
- Valve with check disc
- Valve with control disc (tapered design)



Applications:
Approved for air gases, vapours and cryogenic liquefied gases incl. LNG.
Working temperature: -255°C / -427°F (18K) up to +120°C / +248°F (393K)

 
Type 03843 - Actuated Globe Valve
 

Materials

DIN EN

ASTM

1 Body 1.4409 A 351 CF3M
2 Valve seal PTFE / Carbon filled (25%)
3 Disc 1.4404 A 276 Grade 316L
4 Bonnet gasket Graphite
5 Headpiece 1.4404 A 276 Grade 316L
6 Bolts 1.4571/A4 similar A 194 B8T
7 Elongation tube 1.4571 A 213 TP 316Ti
8 Stem 1.4404 A 276 Grade 316L
9 Gland packing Graphite / PTFE / MICA
10 Gland nut 1.4404 A 276 Grade 316L
11 Pillars 1.4404 A 276 Grade 316L
12 Bush CW452K B 159 UNS C51900

 
Type 03843 - Actuated Globe Valve
 

Type 03843 - Standard designTechnical data
Nominal size DN15202540506580100150
Dimension code - Flange ASME B16.5 class 300.X.040006001000140020002400300040006000
Flange-ØD-class95115125155165190210255320
Face-to-face dimensionFF140150160200230290310350597
HeightH370370375420425510575635685
LengthE195200200230235300300300300
Actuator-ØMdependent on actuator
Wrench size across flatsS2 303030363636364141
Weight w/o actuatorca. kg4.66.58.512.016.030.036.053.0100.0
*Kvs - Valuem³/h4.36.711.522.637.171.1104.0170.0350.0
*Cv - Valuegal/min5.07.813.426.343.282.9121.3198.3408.4
Strokemm1079111523233040
Dimensions in mm. Compliance of tightness requirements acc. to EN 1626 for DN150 up to 20 bar differential pressure. In the range of >20-40 bar, 350-700ml per second (1 bar, 20°C [68°F]) are reached. * These figures refer to measurements for the flow direction.