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 6240-01-578-6227
NSN 5975-00-943-6766
NSN 6135-00-078-9931
NSN 5990-01-229-0222
NSN 5950-01-571-5609
NSN 6320-00-925-0558
NSN 6220-00-707-5044
NSN 5930-00-805-6860
NSN 5985-01-358-7541
NSN 5935-00-281-1237
NSN 6240-01-026-1376
NSN 6110-01-525-4270