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 5855-01-543-8175
NSN 5915-00-710-1972
NSN 5905-01-657-5283
NSN 6685-00-369-6912
NSN 6105-01-601-1261
NSN 5905-01-165-1738
NSN 5999-01-116-2638
NSN 6145-01-551-1045
NSN 5965-01-360-0454
NSN 5905-01-408-6226
NSN 5935-01-292-6885
NSN 6130-01-608-1580