McMaster 6677A13 Tank Mount High Pressure Regulating Valve, for Air and Inert Gas, CGA 580 Ngo Inlet, 200 3000 PSI MFF 05 009 Cutting Action Center Primary Application Cutting Action Center Primary Application Cuts Aluminum Non UL Required Conduit Material Steel Material Steel Flexible Conduit Color Gray Flexible Conduit Core Material Hot Dipped Galvanized Steel Jacket Material Plastic Special Features Very Flexible Finish Galvanized Flammability Rating ANSI Usable Temperature Range 22 Degrees F to 165 Degrees F Approval Rating ANSI Choose a valve with the same CGA number as your tank and other system components They automatically reduce a high inlet pressure from compressed gas tanks to a lower