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 6620-01-392-6180
NSN 5975-01-442-7264
NSN 6150-01-392-0616
NSN 5965-00-834-2603
NSN 6220-01-265-2705
NSN 5920-01-543-3858
NSN 5835-00-269-2232
NSN 5855-01-033-1375
NSN 6650-01-076-5232
NSN 6610-01-083-1446
NSN 2925-01-653-0629
NSN 6130-01-019-9543