11
Friction Table
1"
1 1/4" 1 1/2"
2"
2 ½"
3"
4"
5"
6"
8"
10"
30
4.54
8
37
6.86
1.77
10
45
9.62
2.48
12
57
16.2
4
1.53
15
68
20.6
5.22
2.42
18
76
25.1
6.34
2.94
20
95
38.7
9.6
4.48
1.2
0.54
25
113
54.6
13.6
6.26
1.82
0.75
30
151
95
23.5
10.79
3.1
1.28
40
170
119
29.4
13.45
3.85
1.6
45
189
146
36
16.4
4.67
1.94
0.66
50
208
43.2
19.7
5.51
2.33
0.79
55
227
51
23.2
6.59
2.72
0.92
60
246
59.6
27.1
7.7
3.17
1.07
65
265
68.8
31.3
8.86
3.63
1.22
70
284
78.7
35.8
10.15
4.14
1.39
75
303
89.2
40.5
11.4
4.66
1.57
80
322
100
45.6
12.6
5.27
1.77
85
360
125
56.5
15.8
6.49
2.18
0.57
95
378
138
62.2
17.4
7.11
2.39
0.62
100
416
75.25 21.05
8.55
2.88
0.75
110
454
88.3
24.7
10
3.37
0.88
120
530
119
33.2
13.5
4.51
1.17
0.38
140
568
137.5
38.1
15.45
5.16
1.33
0.43
150
605
156
43
17.4
5.81
1.49
0.48
160
643
48.55 19.65
6.54
1.67
0.54
170
681
54.1
21.9
7.28
1.86
0.6
180
757
66.3
26.7
8.9
2.27
0.73
0.3
200
833
80
32.2
10.07
2.72
0.87
0.35
220
908
95
38.1
12.6
3.21
1.03
0.41
240
984
111
44.5
14.7
3.74
1.2
0.48
260
1060
128
51.3
16.9
4.3
1.38
0.56
280
1135
146
58.5
19.2
4.89
1.58
0.63
300
1324
79.2
26.1
6.55
2.11
0.85
350
1514
103
33.9
8.47
2.72
1.09
0.27
400
1892
52.5
13
4.16
1.66
0.42
500
2082
63.2
15.7
4.94
2
0.5
550
2271
74.8
18.6
5.88
2.34
0.59
0.19
600
2649
101
25
7.93
3.13
0.79
0.25
700
2838
28.7
9.07
3.59
0.91
0.29
750
3028
32.4
10.22
4.04
1.02
0.32
800
3217
36.6
11.56
4.5
1.13
0.36
850
3406
40.8
12.9
5.05
1.27
0.41
900
3595
45.5
14.35
5.61
1.42
0.45
950
3785
50.2
15.8
6.17
1.56
0.5
1000
4163
19.15
7.41
1.87
0.6
1100
4542
22.5
8.76
2.2
0.7
1200
4920
26.45
10.2
2.56
0.81
1300
FRICTION TABLE IN METERS x 100m OF PIPE
LITERS
PER
MINUTE
PIPING DIMENSIONS IN INCHES
GALLONS
PER
MINUTE
NOTE: The values in this table refer to frictions and clean water pipes and hoses smooth walls.
As used pipe and / or hose rough walls increase the values about 50% to 100%.
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Summary of Contents for BVL Series
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