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 2925-01-615-1311
NSN 6650-01-235-0981
NSN 6320-00-174-1362
NSN 5905-01-020-8276
NSN 6645-00-684-1273
NSN 5935-01-197-3543
NSN 5950-01-373-5025
NSN 6220-01-352-4141
NSN 5975-00-218-0414
NSN 5935-01-508-1754
NSN 5835-00-706-0829
NSN 5855-00-127-5559