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 5975-01-609-6688
NSN 5996-01-305-4892
NSN 5925-01-038-7925
NSN 4140-00-242-3574
NSN 5910-01-178-0875
NSN 5998-01-392-0627
NSN 2925-00-617-0826
NSN 6685-00-997-2719
NSN 5960-01-649-1341
NSN 4140-01-146-4474
NSN 6685-00-581-5656
NSN 5990-01-326-2677