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 6620-00-500-0041
NSN 6135-00-470-7779
NSN 5950-00-928-0073
NSN 5975-01-608-3913
NSN 5998-01-634-0604
NSN 5935-01-396-0242
NSN 5950-00-250-7988
NSN 6320-00-336-9123
NSN 5925-01-029-3483
NSN 6150-00-907-2647
NSN 5855-01-156-0417
NSN 5935-00-776-2733