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 5920-00-220-3548
NSN 5945-00-583-0516
NSN 5910-01-395-5030
NSN 6645-01-146-9158
NSN 5915-00-820-3931
NSN 5990-00-104-4903
NSN 5915-01-142-7832
NSN 5910-01-633-9963
NSN 6135-01-185-3614
NSN 5930-01-131-0236
NSN 5855-01-483-2774
NSN 6320-00-481-7291