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 6130-01-065-0541
NSN 5960-00-533-1125
NSN 6620-01-253-0374
NSN 5930-01-425-1825
NSN 6135-00-145-8884
NSN 5945-01-330-1616
NSN 6620-01-365-1499
NSN 5996-00-755-7199
NSN 6685-01-195-2129
NSN 6220-01-301-8637
NSN 5905-00-925-5543
NSN 6620-01-512-0132