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 5985-01-220-2005
NSN 6650-00-945-9105
NSN 5935-00-237-0044
NSN 2925-01-316-7487
NSN 6135-01-168-2944
NSN 5990-01-290-1425
NSN 6135-00-982-1882
NSN 7035-00-104-7613
NSN 2925-01-604-8984
NSN 5835-00-113-6090
NSN 5915-00-597-2369
NSN 6685-00-248-6990