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 5975-01-466-7826
NSN 6650-00-157-1691
NSN 5910-00-959-0018
NSN 6135-01-038-6225
NSN 6610-01-612-9890
NSN 5915-01-415-2477
NSN 5990-01-623-0082
NSN 5945-00-203-5925
NSN 5990-01-389-1196
NSN 6145-01-584-2334
NSN 6645-01-462-2101
NSN 4140-01-382-3864