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E-Tables
Local friction coefficients
Type
z
Number
Total
Elbow 45°
0.3
0
1
2
3
4
5
6
7
8
9
10
Elbow 90°
1.26
0
1
2
3
4
5
6
7
8
9
10
Arc 90°
0.25
0
1
2
3
4
5
6
7
8
9
10
Intake basket
6
0
1
2
3
4
5
6
7
8
9
10
Gate valve (100% open)
0.15
0
1
2
3
4
5
6
7
8
9
10
Gate valve (75% open)
0.9
0
1
2
3
4
5
6
7
8
9
10
Gate valve (50% open)
4.5
0
1
2
3
4
5
6
7
8
9
10
Gate valve (25% open)
24
0
1
2
3
4
5
6
7
8
9
10
Shut-off valve - angled (100% open)
1.6
0
1
2
3
4
5
6
7
8
9
10
Shut-off valve - straight (100% open)
3
0
1
2
3
4
5
6
7
8
9
10
Inlet into the pipe - sharp
0.5
0
1
2
3
4
5
6
7
8
9
10
Inlet into the pipe - blunt
0.25
0
1
2
3
4
5
6
7
8
9
10
Outlet of the pipe
1
0
1
2
3
4
5
6
7
8
9
10
Check valve (100% open)
6
0
1
2
3
4
5
6
7
8
9
10
Total:
Updated: 29.3.2023 16:44, Author:
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