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 7035-01-457-5645
NSN 6220-01-422-6375
NSN 5965-00-436-2226
NSN 5895-01-141-7025
NSN 6130-01-512-1710
NSN 5930-00-814-9336
NSN 5835-00-985-1444
NSN 5855-01-492-6385
NSN 4140-00-009-3586
NSN 5975-01-475-5874
NSN 4140-00-991-0766
NSN 6320-01-335-8336