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 5920-01-643-8942
NSN 5960-01-503-0362
NSN 5985-01-584-1769
NSN 5925-00-012-4749
NSN 6650-01-010-4204
NSN 6110-01-085-5172
NSN 6110-00-221-1868
NSN 5910-01-564-3063
NSN 6685-01-190-0871
NSN 6685-00-005-1288
NSN 5960-01-502-3268
NSN 5999-01-167-9508