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 6685-01-388-5718
NSN 5935-01-294-5021
NSN 6620-00-862-5567
NSN 6130-01-314-8364
NSN 5965-00-675-8799
NSN 4140-01-232-7556
NSN 5945-01-545-4034
NSN 6650-00-532-8125
NSN 2925-01-568-3705
NSN 6620-00-444-6972
NSN 5925-01-323-7756
NSN 5960-00-815-6072