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 6145-01-197-6921
NSN 5965-00-789-1654
NSN 2925-01-337-2508
NSN 5895-00-089-1395
NSN 6135-01-244-5580
NSN 5935-01-029-2172
NSN 6620-00-572-8787
NSN 5910-00-248-6899
NSN 6105-00-927-5039
NSN 6240-01-296-7404
NSN 5998-01-573-9449
NSN 7035-00-421-8710