Appendix 2: Friction Loss Tables - Franklin Electric INLINE 400 Manuel Du Propriétaire

APPENDIX 2: FRICTION LOSS TABLES

¾" Pipe
1" Pipe
1¼" Pipe
NOTE: Charts show friction loss per 100' of pipe. To convert to friction loss per foot, move
decimal point two places to the left.
20
Flow Velocity
gpm ft/s
Steel (C = 100)
2 1.20
3 1.80
4 2.41
5 3.01
6 3.61
7 4.21
8 4.81
9 5.41
10 6.02
Flow Velocity
gpm ft/s
Steel (C = 100)
2 0.74
4 1.48
6 2.23
8 2.97
10 3.71
12 4.45
14 5.20
16 5.94
18 6.68
Flow Velocity
gpm ft/s
Steel (C = 100)
4 0.86
6 1.29
8 1.72
10 2.15
12 2.57
14 3.00
16 3.43
18 3.86
20 4.29
25 5.36
Friction Loss, ft hd / 100'
Velocity
PVC (C = 140)
1.93 1.03
4.09 2.19
6.96 3.73
10.53 5.64
14.75 7.91
19.63 10.53
25.13 13.48
31.26 16.76
38.00 20.38
Friction Loss, ft hd / 100'
Velocity
PVC (C = 140)
0.60 0.32
2.15 1.15
4.56 2.44
7.76 4.16
11.74 6.29
16.45 8.82
21.89 11.74
28.03 15.03
34.86 18.70
Friction Loss, ft hd / 100'
Velocity
PVC (C = 140)
0.57 0.30
1.20 0.64
2.04 1.10
3.09 1.66
4.33 2.32
5.76 3.09
7.38 3.96
9.18 4.92
11.16 5.98
16.87 9.05
Fric. Loss
ft hd / 100'
ft/s
Copper (C = 130)
1.33 1.50
1.99 3.18
2.65 5.42
3.31 8.20
3.98 11.49
4.64 15.29
5.30 19.57
5.97 24.35
6.63 29.59
Fric. Loss
ft hd / 100'
ft/s
Copper (C = 130)
0.78 0.41
1.56 1.48
2.33 3.14
3.11 5.35
3.89 8.08
4.67 11.33
5.44 15.07
6.22 19.30
7.00 24.00
Fric. Loss
ft hd / 100'
ft/s
Copper (C = 130)
1.02 0.53
1.53 1.13
2.04 1.92
2.55 2.90
3.06 4.07
3.57 5.41
4.08 6.93
4.59 8.62
5.11 10.48
6.38 15.85