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 6130-01-647-9139
NSN 6145-00-231-7719
NSN 6240-01-374-8868
NSN 5999-01-475-6923
NSN 5935-01-366-8217
NSN 6320-01-054-3046
NSN 5935-01-508-6262
NSN 7035-01-064-8212
NSN 2925-01-649-7543
NSN 7035-01-006-3186
NSN 5920-01-562-4018
NSN 5910-01-550-6108