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 4140-01-217-6290
NSN 6145-01-239-7067
NSN 5985-00-008-8424
NSN 5895-01-379-1564
NSN 5998-01-512-1243
NSN 6685-01-185-2523
NSN 5895-00-991-3418
NSN 2925-00-328-2073
NSN 5960-01-461-9284
NSN 5855-01-621-6999
NSN 5930-01-443-1048
NSN 6150-01-171-5858