A valve designed to release under excessive pressure and/or excessive temperature by opening at a predetermined pressure and/or temperature. Thermostatically operated valves close when the pressure is relieved or the temperature is reduced. Fusible plug valves require replacement of the plug. See also valve, safety relief and valve, regulating. Temperature.
Classification: Safety or relief valves
NSN 4140-01-265-8669
NSN 5985-01-143-2545
NSN 6650-01-318-3712
NSN 5905-01-220-9690
NSN 5999-01-535-2446
NSN 6320-00-483-0451
NSN 5925-01-503-5286
NSN 4140-01-644-9823
NSN 5998-01-446-6249
NSN 5960-01-107-5544
NSN 5998-00-111-2197
NSN 5915-01-619-7346