CRYOGENIC
Type 01841 - Globe Valve
Cryogenic-Globe and Globe/Check Valves, PN50 (DN150=PN40)
“Fire safe” type test approval acc. to EN ISO 10497


Stainless steel body and topwork, “live loaded” gland packing “cleaned and degreased for oxygen service”

Part No. 01841.X.001* (H = 270mm)
Part No. 01841.X.002* (H = 370mm)
Part No. 01841.X.501* (H = 270mm) Globe/Check Valve
Part No. 01841.X.502* (H = 370mm) Globe/Check Valve

* Butt weld connection for stainless steel pipes acc. to ISO 1127 or ASTM A312
Part No. 01841.X.0014 (H = 270mm)
Part No. 01841.X.0024 (H = 370mm)
Part No. 01841.X.5014 (H = 270mm) Globe/Check Valve
Part No. 01841.X.5024 (H = 370mm) Globe/Check Valve

Socket weld connection for stainless steel pipes acc. to ISO 1127 or ASTM A312

Available options - on request only:

- Extension H up to 900mm
- 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 01841 - 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 Handwheel 1.4409 A 351 CF3M
12 Spring 1.4571 A 313 Grade 316Ti
13 Bush CW452K B 159 UNS C51900

 
Type 01841 - Globe Valve
 

Type 01841 - Standard designTechnical data
Nominal sizeDN1015152025324040506580100150
Dimension code.X.101215171521202625333238404240485060657x808801140168
Face-to-face dimensionFF708585100115115130130155205245280400
HeightH270 mm or 370 mm370420
Outside pipe-Ø ISO 1127RA12.017.221.326.933.738.042.448.360.376.188.9114.3168.3
Wall thickness pipe ISO 1127a1.01.62.02.02.02.02.02.02.02.93.26.07.1
Outside pipe-Ø ASTM A312RA13.7217.1521.3426.6733.40-42.1648.2660.3373.0388.90114.3168.3
Wall thickness pipe ASTM A312adimensions acc. to S10 or S40
Socket depthb610101313-13131616162020
Handwheel-ØB100100100100100125125125125200250315360
Wrench size across flatsS1777771010101010101215
Wrench size across flatsS230303030303636363636364141
Weightca. kg1.41.651.72.12.43.34.74.77.212.717.024.554.0
Kvs-Valuem³/h1.63.84.36.711.514.020.622.637.171.1104.0170.0350.0
Cv-Valuegal/min1.94.45.07.813.416.223.926.343.282.9121.3198.3408.4
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.