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 5925-01-100-0970
NSN 5905-00-169-4414
NSN 6150-00-925-2465
NSN 5996-00-667-4295
NSN 5945-01-179-9695
NSN 5925-01-303-8381
NSN 5999-01-031-4684
NSN 5835-00-187-1481
NSN 5935-01-056-7315
NSN 5895-01-309-6235
NSN 5990-01-414-2071
NSN 6240-01-225-9508