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 5945-01-020-0564
NSN 7035-01-085-5955
NSN 5965-01-513-9978
NSN 5925-00-627-2011
NSN 6220-01-192-3451
NSN 6135-01-397-6564
NSN 5855-01-483-2774
NSN 5920-01-340-9873
NSN 5998-01-600-2826
NSN 6620-00-404-0149
NSN 5950-01-147-9828
NSN 5985-01-440-1557