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 5999-01-424-9297
NSN 5930-01-360-7479
NSN 6105-01-044-5405
NSN 6620-00-706-2481
NSN 5960-00-443-9452
NSN 6220-00-242-1492
NSN 5990-01-432-4984
NSN 5920-01-445-7000
NSN 5990-00-837-7240
NSN 6220-01-093-9737
NSN 6150-00-227-8983
NSN 5915-00-929-2533