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 6130-01-464-2933
NSN 5910-00-484-8583
NSN 4140-01-502-3005
NSN 5835-00-778-5761
NSN 5965-01-148-4979
NSN 6650-01-470-1315
NSN 5999-00-199-9551
NSN 5950-01-093-6015
NSN 6620-01-447-4607
NSN 6320-00-261-9136
NSN 5935-01-330-8615
NSN 5915-01-199-5605