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 5975-01-537-3765
NSN 5930-01-475-6797
NSN 5925-00-542-9637
NSN 4140-01-599-9383
NSN 5920-00-124-0600
NSN 5915-01-198-0541
NSN 5996-00-330-9184
NSN 5975-00-782-2045
NSN 6620-01-483-1138
NSN 4140-01-347-8502
NSN 5975-00-734-6243
NSN 6645-01-223-2402