Pressure Loss and Flow Resistance Coefficient of Pneumatic Butterfly Valves

2015-04-13

　　The flow resistance coefficient of a pneumatic butterfly valve refers to the fluid pressure drop across the valve as the fluid passes through it—specifically, the loss in fluid energy due to resistance. The fluid resistance of a butterfly valve depends on factors such as the valve’s size, structural design, and internal cavity geometry. To illustrate how valves influence fluid resistance, we’ve included reference data for common valve components, which clearly demonstrate the relationship between a valve element’s shape, dimensions, and its impact on fluid flow resistance.

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