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 5920-00-226-0227
NSN 5950-01-415-9890
NSN 5999-01-216-2088
NSN 5965-01-006-7915
NSN 5990-00-212-4316
NSN 5910-01-185-1676
NSN 5915-01-592-3355
NSN 5945-01-243-5621
NSN 5975-01-307-9826
NSN 5960-00-613-1842
NSN 5905-01-159-0776
NSN 6105-01-249-4919