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

90^o elbow 0.9

45^o elbow 0.4

Large-radius 90^o 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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*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
90^o elbow	0.9
45^o elbow	0.4
Large-radius 90^o bend	0.6
Tee junction	1.8
Sharp pipe entry	0.5
Radiused pipe entry	0
Sharp pipe exit	0.5