Type 05414 - Check Valve
Cryogenic-Check Valves, PN50 (DN150=PN40)

Stainless steel body and cap with spring, opening pressure ca. 0.1 bar "cleaned and degreased for oxygen service"

Part No. 05414.X.000*

* Butt weld connection for stainless steel pipes acc. to ISO 1127 or ASTM A312
Part No. 05414.X.0004
Socket weld connection for stainless steel pipes acc. to ISO 1127 or ASTM A312

Available options - on request only:

- Welded stainless steel stubs acc. to ISO 1127 or ASTM A312 - length FF + 200mm
- Further pipe wall thicknesses

Approved for air gases, vapours and cryogenic liquefied gases incl. LNG.
Working temperature: -196°C / -321°F (77K) up to +120°C / +248°F (393K)

Type 05414 - Check Valve




1 Body 1.4308 A 351 CF8
2 Valve seal up to DN50 PTFE / Carbon filled (25%)
2a Valve seal from DN65 PTFE
3 Disc 1.4301 A 276 Grade 304
4 Spring 1.4571 A 313 Grade 316Ti
5 Bonnet gasket PTFE
6 Bolts 1.4301/A2 A 194 B8
7 Cap 1.4301 A 276 Grade 304
7a Bush from DN65 PTFE

Type 05414 - Check Valve

Type 05414 - Standard designTechnical data
Nominal size DN1015152025324040506580100150
Dimension code.X.101215171521202625333238404240485060657x808801140168
Face-to-face dimensionFF708585100115115130130155205245280400
Outside pipe-Ø ISO 1127RA12.017.221.326.933.738.042.448.360.376.188.9114.3168.3
Wall thickness pipe ISO 1127a1.
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
Weightca. kg0.70.951.
Dimension in mm.
Leakage rates will be provided on request