Paddlewheel
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Catalog excerpts

Paddlewheel - 1

Paddlewheel Insertion Flowmeters WFP Series The WFP Series flowmeters are impeller-type insertion meters degined for use in pipe sizes of 1/2” to 6”. High quality jewel bearings and nickel-bound tungsten carbide shaft are used. Bodies are machined from solid rod for maximum precision. Low flow performance is superior. The rotation of the rotor is detected by a non-drag Hall-effect sensor. Output is a pulse-type square wave, which can be sent up to 2000 feet (610 meters) without a transmitter. The WFP require special fittings, since they are not depth-adjustable. Installation in the fitting ensures correct depth placement in the pipe for accurate readings. Each fitting is individually calibrated and marked with the K-factor (pulses per gallon) produced during the factory flow test. Test fittings and flowmeters are available in PVC. WFP Series flowmeters are perfect for chemical proportioning applications, and readily interface with the WebMaster® series controllers. They are especially cost effective for use in pipe sizes greater than 2”. SPECIFICATIONS Fitting Length Size Flow Range (gallons per minute) PVC Working Pressure vs. Temperature °F 60°

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Paddlewheel - 2

Specifications WebmasterONE® Hall Effect Sensor WebMasterONE® is the most powerful online cooling tower/ boiler controllers in the water treatment industry. WebMasterONE® couples a multi-I/O platform with Walchem’s analytical sensors and extensive communications technologies. The result is the ability to remotely monitor and control your process from any computer, anywhere in the world, with just a standard web browser. 12 VDC current sinking pulse Sensor Body PVC Rotor PVDF Shaft Nickel-based tungsten carbide Bearings Ruby jewels Metering Pumps Iwaki metering pumps are designed for a broad...

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