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 6220-01-576-3671
NSN 5996-01-148-9926
NSN 5990-01-054-3332
NSN 5985-01-063-7012
NSN 6610-01-648-4460
NSN 6220-00-196-2949
NSN 6135-01-286-9563
NSN 6150-01-085-5085
NSN 5905-00-910-9486
NSN 5935-00-995-4742
NSN 5905-01-530-9201
NSN 5965-01-411-7667