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 6145-01-161-6228
NSN 5945-00-162-2556
NSN 6130-00-069-5330
NSN 5965-01-641-3563
NSN 5945-01-425-2986
NSN 5975-00-958-2019
NSN 5975-01-432-7839
NSN 6145-00-793-7816
NSN 6645-01-045-4088
NSN 5835-01-462-5983
NSN 5960-01-617-6345
NSN 5975-01-441-2181