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 6650-00-253-4783
NSN 6610-00-330-6634
NSN 6130-00-997-7441
NSN 6620-00-625-7248
NSN 5960-00-246-4623
NSN 6650-01-168-8451
NSN 5895-00-707-6663
NSN 5835-01-362-0305
NSN 5945-01-468-2815
NSN 5915-01-379-0307
NSN 2925-01-074-9102
NSN 6110-00-121-0975