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 6620-00-635-7347
NSN 5930-00-288-1882
NSN 6130-01-444-1788
NSN 5999-00-683-6660
NSN 6645-01-087-7345
NSN 5998-00-541-8792
NSN 5950-01-146-4329
NSN 5895-01-259-3845
NSN 2925-00-120-9302
NSN 6620-01-545-4845
NSN 6135-01-242-6484
NSN 5965-00-785-5100