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 5915-01-540-9757
NSN 6320-01-078-8257
NSN 6320-01-466-4175
NSN 7035-00-631-3782
NSN 6135-00-182-7008
NSN 5835-01-519-3834
NSN 4140-00-976-5570
NSN 6645-01-164-7650
NSN 6150-00-593-5199
NSN 5985-01-539-1346
NSN 5999-00-244-1981
NSN 5835-01-381-2683