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 5985-01-221-8780
NSN 5950-01-324-3280
NSN 5835-00-996-2912
NSN 4140-01-634-0330
NSN 5935-01-545-1986
NSN 6685-01-114-7364
NSN 2925-00-149-0760
NSN 6320-01-643-0850
NSN 5915-00-240-3812
NSN 6220-01-408-5103
NSN 6320-01-512-2031
NSN 5990-00-206-3753