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 5996-00-133-7748
NSN 5960-00-773-2406
NSN 6645-00-189-7075
NSN 5960-01-416-6187
NSN 5975-01-023-1977
NSN 6645-01-338-1423
NSN 5910-00-349-3723
NSN 6610-00-419-0315
NSN 5905-01-118-5658
NSN 6685-00-242-6722
NSN 5965-00-879-7287
NSN 6610-00-260-1181