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 6610-01-573-5949
NSN 6650-01-578-8176
NSN 5835-00-378-1429
NSN 5930-01-161-3736
NSN 6645-01-523-7171
NSN 6145-00-827-4958
NSN 5835-00-484-1529
NSN 5985-00-181-5915
NSN 4140-00-925-4149
NSN 5855-01-433-3197
NSN 6620-00-193-0518
NSN 5915-01-426-8862