CRYOGENIC
Type 05719 - Check Valve, ASME B16.5 Flanges
Cryogenic-Check Valves, class 300


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

Part-No. 05719.X.0053
Flanged connection acc. to ASME B16.5 class 300 Disc seal: PTFE


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

 
Type 05719 - Check Valve, ASME B16.5 Flanges
 

Materials

DIN EN

ASTM

1 Body 1.4409 A 351 CF3M
2 Valve seal PTFE
3 Disc 1.4404 A 276 Grade 316L
4 Spring 1.4571 A 313 Grade 316Ti
5 Bonnet gasket Graphite
6 Bolts 1.4571/A4 similar A 194 B8T
7 Cap 1.4404 A 276 Grade 316L
7a Bush from DN65 PTFE

 
Type 05719 - Check Valve, ASME B16.5 Flanges
 

Type 05719 - Standard designTechnical data
Nominal sizeDN200
Dimension code - Flange ASME B16.5 class 300.X.0219
Flange-ØD-class345
Face-to-face dimensionFF760
HeightH285
Weightca. kg146
Kvs-Valuem³/h680.0
Cv-Valuegal/min793.0
Dimension in mm.
Leakage rates will be provided on request

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