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 5945-01-555-5509
NSN 6645-01-281-0389
NSN 5905-01-082-2729
NSN 5930-00-921-1160
NSN 5945-01-044-2718
NSN 6240-01-206-4809
NSN 4140-00-413-0877
NSN 6135-00-683-0536
NSN 6320-01-470-6826
NSN 5930-01-459-7775
NSN 5930-00-891-9755
NSN 5835-01-158-6878