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 5935-01-286-2809
NSN 5835-00-568-2956
NSN 6620-01-150-5072
NSN 5905-01-253-2745
NSN 6135-00-613-1068
NSN 6650-01-344-3974
NSN 6610-00-512-4183
NSN 5920-00-585-0104
NSN 5945-01-206-3962
NSN 5925-01-500-3880
NSN 5996-00-166-0037
NSN 6320-00-731-6134