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 5915-01-521-8688
NSN 6240-01-369-6464
NSN 6610-00-065-8881
NSN 6220-00-604-8862
NSN 5996-01-440-8935
NSN 6610-01-372-2147
NSN 5905-01-415-2902
NSN 5935-00-716-5299
NSN 5998-00-411-7039
NSN 5920-00-109-2062
NSN 5920-01-581-8770
NSN 5855-01-440-1768