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 6620-01-391-7331
NSN 5998-00-803-3067
NSN 5999-01-524-7289
NSN 5990-01-089-9694
NSN 5920-01-607-8055
NSN 5999-01-273-0965
NSN 5985-00-692-1550
NSN 6105-01-383-4501
NSN 6240-00-912-5186
NSN 6105-01-450-4719
NSN 5998-01-096-3769
NSN 5895-01-634-0630