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 5855-00-466-2309
NSN 4140-01-082-6699
NSN 6150-00-552-4629
NSN 5935-01-272-9592
NSN 5975-01-421-3395
NSN 5930-01-383-9793
NSN 6145-00-245-1180
NSN 6110-01-484-8974
NSN 5930-00-268-1941
NSN 5930-01-220-7413
NSN 2925-00-103-6822
NSN 5945-01-613-7743