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 5835-01-576-9013
NSN 6135-00-686-4777
NSN 6150-01-585-9799
NSN 5910-01-484-1339
NSN 7035-01-594-1462
NSN 5985-01-610-4295
NSN 4140-01-358-5141
NSN 5985-01-323-0346
NSN 5996-01-462-1631
NSN 6685-01-066-7472
NSN 6135-01-461-2915
NSN 6645-01-248-8033