Engineered Products for Aerospace

Vent and Relief Valves

PFC relief valves are available for both ambient and cryogenic applications including tank vents, inline and pop-off reliefs . Cracking pressures and line sizes vary based on system requirements.

Specification Ranges 
 Flow Coefficient Specified by Customer
 Design Pressure 300 through 6000 psig max
 Cracking Pressure Dependent on Design, Ranges from 9 psi to 6000 psi
Fluid Media Inert gases including He, N2 and H2, Propellants for Fuel and Oxidizer
 Operating Temp Min -420 ºF
Operating Temp Max +250 ºF