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Aftermarket Replacement for
Part Number: 130940
Williams 130940 WM521RA4 Regulating Controller
Unit of Measurement: Each
This item is NOT eligible for returns or cancellations
The WM521RA4 dual control valve is a three position, four way pressure regulator. The handle of the WM521RA4 pivots in two directions from the center rest position. When the handle is released from the applied position, it returns to the center position and the valve exhausts any outlet pressure to atmosphere.
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