Dwyer Instruments' PDWS Insertion Paddlewheel Flow Sensor features ruby jewels to reduce friction

Dwyer Instruments' Series PDWS Insertion Paddlewheel Flow Sensor is designed for pipe sizes ranges from ½ to 8 inches with available materials of brass, stainless steel, PVC, and polypropylene. The bearings are made of ruby jewels to reduce the coefficient of friction and maintain accuracy. The Series PDWS has a variety of custom tee, saddle, or welded fittings that come in bronze, PVC, and stainless steel. 

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