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 5855-01-224-7975
NSN 6610-00-772-0003
NSN 6105-00-286-5382
NSN 6620-00-789-1638
NSN 5960-01-364-1318
NSN 6110-01-234-5823
NSN 6320-01-422-1212
NSN 5945-00-959-6309
NSN 6645-01-336-6631
NSN 5905-00-952-8989
NSN 6610-01-245-8015
NSN 5965-00-885-8974