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 5975-01-139-4958
NSN 6620-01-143-2569
NSN 5920-01-023-0040
NSN 5920-01-157-9471
NSN 5835-00-233-6327
NSN 4140-00-580-8508
NSN 6610-00-156-5699
NSN 7035-01-510-8787
NSN 5985-00-958-9651
NSN 6145-01-159-2847
NSN 5998-00-575-1118
NSN 6610-01-521-9801