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 6685-01-290-5320
NSN 6650-00-283-0978
NSN 5960-01-386-5770
NSN 6240-01-294-8997
NSN 6650-01-521-7463
NSN 7035-01-649-8977
NSN 2925-01-424-0235
NSN 5975-00-886-8200
NSN 6320-01-267-7990
NSN 5965-01-496-7790
NSN 5950-01-425-2716
NSN 6135-01-235-4168