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 5905-01-012-8340
NSN 6320-00-343-1798
NSN 5975-01-466-6115
NSN 5920-01-621-4673
NSN 5920-01-430-1823
NSN 5905-01-096-7949
NSN 2925-00-149-0760
NSN 6620-01-034-4539
NSN 6610-00-169-4195
NSN 5915-01-160-8175
NSN 6220-00-842-6897
NSN 6130-01-441-2618