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 6320-00-676-9387
NSN 5935-00-753-5101
NSN 5855-01-180-5369
NSN 5905-01-558-2028
NSN 6320-01-046-5228
NSN 5925-01-285-7519
NSN 6685-01-325-1803
NSN 6150-00-501-5282
NSN 6610-00-726-0247
NSN 5915-01-425-7913
NSN 5935-01-177-7905
NSN 2925-00-934-8383