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 6130-01-173-6334
NSN 6620-01-142-0084
NSN 6240-01-571-5181
NSN 5950-01-249-7067
NSN 5960-00-632-3217
NSN 6110-01-364-8344
NSN 5905-00-813-3472
NSN 6610-01-307-3192
NSN 6150-01-268-2384
NSN 5945-00-753-5127
NSN 2925-01-525-8212
NSN 5985-01-327-3601