Cryogenic · Marshall · Marshall

CVM Cryogenic check valve

High-flow, zero-leak check valve for LNG tanks and vehicle cylinders.

Brass or stainless, female–female (F) or female–male (N) ends, PTFE check ring. Cleaned to CGA G-4.1, 100% factory tested.

Specifications

Pressure	Max. 3000 psi (stainless) · 1000 psi (brass)
Set / range	Opening 0.1–10 psi
Temperature	−196 to 80 °C
Sizes	½″, ¾″ NPT
Media	LNG, LO₂, LN₂, LAr, non-corrosive gas

Made and tested by Hopeet in Taiwan. Every valve is set and leak-tested before it ships, and its test report can be looked up by serial number.