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 5930-00-275-3132
NSN 6145-00-375-5224
NSN 6620-01-066-7950
NSN 6130-01-098-2370
NSN 6650-00-067-3572
NSN 5930-01-634-0659
NSN 6220-00-686-5328
NSN 5990-00-968-1253
NSN 5895-01-463-9474
NSN 5920-01-087-6073
NSN 5985-00-870-6277
NSN 6150-00-780-3586