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 5895-01-442-6203
NSN 5835-00-135-0375
NSN 5905-00-899-2399
NSN 5835-00-816-0394
NSN 4140-01-176-4667
NSN 5895-01-130-0029
NSN 6320-01-506-9439
NSN 6685-00-843-8828
NSN 6130-00-737-0459
NSN 6320-01-092-4101
NSN 6150-00-472-1294
NSN 6105-01-509-1672