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 6320-01-064-0372
NSN 4140-01-170-4700
NSN 5945-00-213-0101
NSN 6645-00-262-7448
NSN 4140-00-820-1173
NSN 5835-00-707-6266
NSN 5930-00-318-9133
NSN 5895-01-457-1317
NSN 6220-01-421-9928
NSN 2925-01-353-3928
NSN 5990-00-336-1682
NSN 6135-01-278-9717