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 5996-01-219-6675
NSN 6645-00-255-1369
NSN 5960-01-353-5947
NSN 4140-01-203-9910
NSN 6650-01-353-3105
NSN 5999-01-223-6383
NSN 6610-01-442-3509
NSN 6645-01-521-3180
NSN 5999-00-064-8083
NSN 5920-01-569-5751
NSN 5910-01-439-2029
NSN 5950-01-359-8753