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 4140-01-151-6035
NSN 5930-01-206-4053
NSN 6685-01-500-1810
NSN 6110-00-196-5346
NSN 4140-01-411-9304
NSN 5960-01-364-1318
NSN 5965-01-097-4867
NSN 6620-01-054-9346
NSN 5905-01-409-2951
NSN 5998-00-006-7330
NSN 5960-00-565-0101
NSN 6610-01-641-7834