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 6620-01-008-2715
NSN 5996-01-633-7979
NSN 6110-01-539-6476
NSN 5945-01-492-5118
NSN 5935-01-581-2750
NSN 6620-01-135-0992
NSN 6685-01-599-8093
NSN 5990-01-395-4194
NSN 5855-01-542-9059
NSN 5920-00-184-2058
NSN 5996-00-270-0340
NSN 5895-01-385-9217