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 5925-00-959-6075
NSN 5935-00-528-2185
NSN 5905-01-177-1074
NSN 5905-01-424-7184
NSN 2925-00-233-5644
NSN 5835-00-632-8621
NSN 6320-01-386-9104
NSN 6650-01-040-8338
NSN 6150-01-406-5400
NSN 5895-01-265-8497
NSN 5965-00-129-3170
NSN 6240-01-194-2206