4" Check Valves
PFC offers a 4" check valve for ground testing. This valve is available for both ambient and cryogenic applications including LOX.
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4000 psi max
This 4" check valve, designed for ground applications is available for both ambient and cryogenic applications. Click this link for specifications.
Specifications:
Model
9004 
Inlet Connections Grayloc® Outlet Connections Grayloc® Cracking Pressure 8 psi max Operating Temp Min -320ºF Operating Temp Max +250ºF Flow Coefficient Cv = 143 min 
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6000 psi
This 4" check valve, designed for ground applications is available for both ambient and cryogenic applications. Click this link for specifications.
Specifications:
Model
11018 
Inlet Connections Grayloc® Outlet Connections Grayloc® Cracking Pressure 8 psi max Operating Temp Min -320ºF Operating Temp Max +250ºF Flow Coefficient Cv = 143 min 
