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 4140-01-268-6596
NSN 2925-01-552-4313
NSN 6645-00-368-8636
NSN 5998-01-216-2744
NSN 5935-01-624-1779
NSN 5945-00-720-2923
NSN 4140-01-076-9775
NSN 5975-00-350-3122
NSN 5998-01-312-0011
NSN 5945-00-938-7899
NSN 6110-01-579-2211
NSN 6645-01-205-3869