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 5999-01-198-8449
NSN 2925-01-133-8128
NSN 5930-01-464-2562
NSN 5910-00-218-1114
NSN 6645-01-156-6741
NSN 6320-01-435-5991
NSN 5920-00-009-6818
NSN 5975-01-228-5888
NSN 5960-01-042-3337
NSN 6650-00-879-5834
NSN 5965-01-053-7168
NSN 6220-01-469-6213