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 6620-01-534-7180
NSN 5999-01-398-9050
NSN 6130-00-067-4097
NSN 6150-01-330-7802
NSN 6320-00-343-1798
NSN 5895-01-442-5818
NSN 6645-01-226-6573
NSN 6685-01-192-8759
NSN 5950-00-082-1616
NSN 5855-01-548-9990
NSN 4140-00-542-4611
NSN 5950-01-573-6434