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 6645-01-004-0803
NSN 5905-00-805-9924
NSN 4140-00-958-9730
NSN 5945-01-590-1148
NSN 5996-01-614-2072
NSN 5945-00-242-7434
NSN 5895-01-096-7478
NSN 6150-01-557-6749
NSN 6145-01-412-7517
NSN 6130-01-442-5435
NSN 5960-01-452-1907
NSN 6150-01-018-1266