The WIKA 712.25DX duplex pressure gauge is designed with two independent pressure systems with a special movement that drives one red pointer and one black pointer to display two pressure readings on the dial. The 712.25DX gauge features a tough black-painted aluminum case and built-in rear flange. Copper alloy wetted parts Black epoxy painted aluminum case Built-in rear flange Choice of 4 1/2" and 6" dials Ranges from 15 to 1000 psig 2.5% of span accuracy

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