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 5990-01-144-6994
NSN 6110-01-477-5568
NSN 5990-00-288-1820
NSN 6110-01-312-7479
NSN 5905-01-052-6385
NSN 5960-00-338-3577
NSN 5905-01-353-2161
NSN 5920-01-222-4257
NSN 6105-01-437-9661
NSN 6650-01-612-1832
NSN 6610-01-649-5326
NSN 5950-01-159-7482