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 7035-01-385-3628
NSN 6620-01-430-7104
NSN 6240-01-083-8741
NSN 6645-01-643-2558
NSN 6620-01-400-2928
NSN 5998-00-589-3719
NSN 6650-00-498-2416
NSN 6145-00-845-3300
NSN 5975-00-519-8334
NSN 6105-00-560-7007
NSN 6320-01-344-6511
NSN 6130-00-726-4509