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  1. kevin42036

    Help! Darcy's equation for Resistance Coefficient

    Hi I need to find the coefficient of resistance K for a reducer with inlet nominal size 32 and outlet nominal size 30. The wall thickness is 1.5 inches. Would I use the equation K = 0.5(1-(dnom/d1)^2)^2 ? If so, which nominal size would i put in for dnom and what value would I plug in for d1...

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