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 5925-01-634-0664
NSN 6645-00-192-1152
NSN 5925-01-331-2350
NSN 6650-01-305-8881
NSN 5999-01-568-2148
NSN 5855-01-136-9532
NSN 6645-00-070-0320
NSN 6220-01-383-7764
NSN 5996-01-172-6078
NSN 7035-01-193-2667
NSN 5920-01-634-0250
NSN 2925-01-048-4006