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181M to 110A Series M4 Comparisons

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Click and drag your mouse on the curve. Lines are automatically drawn as either horizontal or vertical. To clear the canvas, click the "Clear Lines" button below the curve.

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181M to M4 Comparison Curve at 1750 RPM

Notes:Consult factory for operation below 22.0 GPM
*Consider 240 Series inducer if pumping at low NPSH. Add 1/2 horsepower for 240 Series models.
**Horsepower data is valid for 1.0 specific gravity fluids only. Data provided is based of performance testing with water.

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