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 6645-01-643-5845
NSN 2925-01-298-2674
NSN 5925-01-417-1942
NSN 5999-01-280-5496
NSN 5998-01-519-7802
NSN 5990-00-105-7831
NSN 5920-01-584-5365
NSN 7035-01-352-6235
NSN 2925-01-648-6859
NSN 6620-00-628-2150
NSN 5895-00-577-4078
NSN 5835-01-052-8464