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 5920-01-441-4341
NSN 6220-01-142-9747
NSN 6240-00-349-3965
NSN 5895-01-122-3454
NSN 6110-01-381-9287
NSN 6220-01-605-2534
NSN 4140-00-169-3549
NSN 6650-00-003-5413
NSN 5950-01-205-1667
NSN 6220-00-424-5630
NSN 6620-00-764-6626
NSN 5998-01-581-8208