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 5910-01-604-9958
NSN 6240-01-288-0555
NSN 5920-00-515-3617
NSN 6150-00-583-3518
NSN 5998-01-193-7579
NSN 6685-01-444-2235
NSN 6145-01-510-3352
NSN 5999-01-108-9332
NSN 5855-01-031-4729
NSN 5996-01-268-4647
NSN 5910-01-286-1213
NSN 6240-00-185-8367