Local friction coefficients

 
Type

z  

Number

Total

Elbow 45° 0.3
Elbow 90° 1.26
Arc 90° 0.25
Intake basket  6
Gate valve (100% open)  0.15
Gate valve (75% open)  0.9
Gate valve (50% open)  4.5
Gate valve (25% open)  24
Shut-off valve - angled (100% open) 1.6
Shut-off valve - straight (100% open) 3
Inlet into the pipe - sharp 0.5
Inlet into the pipe - blunt 0.25
Outlet of the pipe 1
Check valve (100% open) 6
Total: