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 5965-00-675-8799
NSN 6320-01-506-9439
NSN 6150-00-111-3528
NSN 6320-01-449-1014
NSN 5905-01-229-8636
NSN 5999-01-150-1030
NSN 5835-01-449-7511
NSN 6220-01-222-0724
NSN 6650-00-035-9297
NSN 5998-00-249-2872
NSN 5950-01-150-3444
NSN 4140-00-230-4252