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 4140-01-500-1187
NSN 5915-01-238-0049
NSN 6150-01-188-7137
NSN 6240-01-420-2364
NSN 6130-01-470-6425
NSN 6645-01-198-5785
NSN 2925-00-835-4315
NSN 5835-01-645-2892
NSN 5930-01-645-9392
NSN 6145-00-681-1376
NSN 6320-01-344-6511
NSN 6135-00-474-1397