Cryogenic Check Valves
Main parameters
Nominal pressure:150LB~1500LB,(PN16~PN320)
Nominal diameter:1/2"~6",(DN15~DN150)
Applicable media:NG、N2、Ar and other gases or liquids
Applicable temperature:-196℃~+150℃
Connection:SW (socket weld) , BW (butt weld) , NPT (threaded) and flange type.
Design feature
1. Overlaid cobalt-based alloy on the seal surface to ensure the service life.
2. The valve flap is precisely guided with the valve body cavity, propped by spring to prevent the valve flap from jamming.
3. Plane seal, with good sealing performance



