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 5905-01-401-5325
NSN 5998-00-291-6818
NSN 5965-01-549-1249
NSN 6220-00-945-0806
NSN 5905-00-973-1562
NSN 5835-01-436-6549
NSN 6145-00-834-2676
NSN 5998-01-112-0223
NSN 5910-00-430-6138
NSN 5996-01-375-6938
NSN 6220-01-232-1064
NSN 6620-01-416-9882