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 5895-00-354-1614
NSN 5960-00-173-6988
NSN 5855-01-634-0259
NSN 7035-01-232-7263
NSN 6645-01-362-2587
NSN 5855-01-190-7049
NSN 5965-01-258-1988
NSN 5990-00-389-0554
NSN 4140-00-577-3512
NSN 5920-01-345-8530
NSN 5920-00-681-6464
NSN 5920-01-143-5002