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 4140-01-443-3523
NSN 5920-00-254-8429
NSN 6150-01-235-5930
NSN 6220-00-279-1508
NSN 6135-00-221-4720
NSN 5975-00-247-1230
NSN 5835-00-632-8621
NSN 5965-01-614-8932
NSN 6240-00-739-0961
NSN 5998-01-397-9962
NSN 5999-01-304-5798
NSN 5905-00-276-8597