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 6110-01-149-5769
NSN 6130-01-209-6893
NSN 6320-00-139-1090
NSN 5925-01-528-6976
NSN 5960-00-496-9500
NSN 7035-00-834-2090
NSN 7035-00-360-2008
NSN 6650-00-554-1457
NSN 5935-01-331-7828
NSN 5960-00-529-2704
NSN 6110-00-816-9715
NSN 6150-01-546-4979