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 5915-01-129-7667
NSN 5960-00-433-5832
NSN 5990-01-336-3976
NSN 2925-00-999-3363
NSN 6220-01-431-6773
NSN 6220-01-380-2984
NSN 5990-00-681-2789
NSN 4140-01-025-4911
NSN 5905-01-170-4111
NSN 5999-01-421-3388
NSN 5930-01-378-7539
NSN 6130-00-679-8891