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 5990-01-054-3332
NSN 5990-01-064-1013
NSN 6145-01-547-3496
NSN 5996-01-339-5503
NSN 5905-01-403-2806
NSN 2925-01-074-9102
NSN 5998-01-519-9273
NSN 6105-01-232-5211
NSN 4140-00-679-7538
NSN 5965-01-375-5238
NSN 6130-00-858-0892
NSN 5990-01-365-6016