Spring check valves

  • Single-directional flow
  • Flow direction indicator on body
  • High flow capacity
  • Low pressure drop
  • Cleaned for Oxygen use per CGA G-4.1

Compared to other types of check valves, these tolerate higher pressures with the same back-flow prevention functionality.

Body:
Brass, Stainless steel
Spring:
Stainless steel
Pistons:
Stainless steel
O-rings:
Soft seat type, Viton
Metal seat:
Stainless steel
Gas types:
Argon, CO2, LNG (Liquefied Natural Gas), Nitrogen, Oxygen
Connections:
Thread
Types:
NPT
Pressure range:
17.2 to 138 bar (250 to 2000 psi)
Temperature range:
-196˚C to +74˚C (-320˚F to +165˚F)
Sizes and range:
¼" to ¾"
Series available:
CG and CV series
Standards:
ASME, CRN, PED
Opening pressure:
60 mbar (1 psi)

*Materials and specifications are subject to generalisation. Our experienced people are ready to help you find the correct fit for your application.

Body:
Brass, Stainless steel
Spring:
Stainless steel
Pistons:
Stainless steel
O-rings:
Soft seat type, Viton
Metal seat:
Stainless steel
Gas types:
Argon, CO2, LNG (Liquefied Natural Gas), Nitrogen, Oxygen
Connections:
Thread
Types:
NPT
Pressure range:
17.2 to 138 bar (250 to 2000 psi)
Temperature range:
-196˚C to +74˚C (-320˚F to +165˚F)
Sizes and range:
¼" to ¾"
Series available:
CG and CV series
Standards:
ASME, CRN, PED
Opening pressure:
60 mbar (1 psi)

*Materials and specifications are subject to generalisation. Our experienced people are ready to help you find the correct fit for your application.

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Did you know?

The valves are available with soft or metal seat.

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