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 5855-01-147-4785
NSN 5895-01-477-5494
NSN 5930-01-287-9744
NSN 5925-00-529-3950
NSN 6135-01-116-3385
NSN 5965-01-135-7910
NSN 5998-01-381-0115
NSN 5975-00-009-8718
NSN 6610-01-266-0880
NSN 5905-01-238-8028
NSN 5950-01-258-5819
NSN 6610-00-089-6950