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 6150-00-856-6995
NSN 5920-00-981-5821
NSN 6240-01-564-6525
NSN 5996-01-597-3115
NSN 6645-01-382-3114
NSN 6150-01-472-1790
NSN 5835-01-328-6626
NSN 5855-01-570-8816
NSN 5999-00-179-4590
NSN 2925-00-258-9786
NSN 6110-00-907-3351
NSN 6620-00-337-5610