Fitting - Head loss coefficients

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Fitting Loss Coefficient, K
Gate valve (open to 75% shut) 0.25 - 25
Globe valve 10
Pump foot valve 1.5
Return bend 2.2
90o elbow 0.9
45o elbow 0.4
Large-radius 90o bend 0.6
Tee junction 1.8
Sharp pipe entry 0.5
Radiused pipe entry 0
Sharp pipe exit 0.5


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Last Modified on: 14-Sep-2014

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