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 5910-01-466-8624
NSN 4140-00-612-9727
NSN 6110-00-101-7955
NSN 5985-01-339-9743
NSN 5975-01-490-2018
NSN 6145-01-540-9574
NSN 6620-01-338-6073
NSN 5996-01-418-5140
NSN 6645-01-163-9930
NSN 5996-00-839-8678
NSN 6240-00-097-1041
NSN 6130-01-090-9196