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 6135-00-548-2765
NSN 6135-00-165-3756
NSN 4140-01-560-8223
NSN 6620-01-252-6691
NSN 5910-00-785-4978
NSN 2925-01-582-8156
NSN 7035-00-052-2188
NSN 6240-01-188-7282
NSN 6320-00-270-8222
NSN 6240-00-053-8877
NSN 5996-01-065-0939
NSN 5925-01-171-1833