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 5930-01-641-9254
NSN 6645-00-640-9870
NSN 6320-00-701-0437
NSN 5935-01-278-2837
NSN 6650-01-487-6274
NSN 5920-01-607-1661
NSN 5998-00-826-9332
NSN 6650-01-145-5173
NSN 6220-00-314-9680
NSN 6620-01-445-4295
NSN 5895-01-505-3641
NSN 5925-01-099-4702