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 6240-00-726-4547
NSN 5990-01-333-6583
NSN 5910-00-177-8291
NSN 6150-01-475-5139
NSN 5960-00-393-2505
NSN 5950-01-497-0474
NSN 5999-01-661-3540
NSN 5915-01-525-7731
NSN 5985-00-170-9097
NSN 6650-00-197-7563
NSN 7035-01-512-1826
NSN 5925-01-520-4211