Aircraft Relief Valves

Design Features and Benefits
Adjustable relief pressure
Hydraulic and pneumatic applications
Capable of high flows (10 gpm)
Capable of high pressures (~3,300 PSI)
Designed for lightweight, yet high strength applications (~0.25 lbs)
Highly experienced in various custom applications


Valcor Relief Valves provide over-pressurization protection with direct acting and/or pilot operated mechanical components. Our relief valves are available in dual ported (inlet and outlet ports) or ambient vented styles and are suitable for many different aircraft & aerospace plumbing applications.


Valcor relief valves are found in aircraft cabin pressurization, canopy seal pressure control, potable water system, and emergency landing gear system over-pressurization protection.