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 2925-00-631-1709
NSN 5915-01-178-4280
NSN 6240-01-327-3239
NSN 5835-01-163-4215
NSN 6620-01-236-4656
NSN 6110-00-321-1271
NSN 5999-00-429-1915
NSN 5945-01-117-1856
NSN 5975-01-262-7330
NSN 6610-01-010-7108
NSN 6650-00-263-3552
NSN 6130-01-300-6156