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 6220-01-121-4499
NSN 6135-00-816-9052
NSN 2925-00-682-5028
NSN 6135-01-205-5965
NSN 5965-01-416-8836
NSN 6610-01-537-5447
NSN 5855-01-548-5688
NSN 6110-01-232-5247
NSN 5910-00-593-2215
NSN 6320-01-349-2131
NSN 5930-00-688-5227
NSN 5915-01-146-2058