Xylem Wastewater (Technical Manual) User Manual
Page 3

PAGE 3
Wastewater
Goulds Water Technology, Bell & Gossett,
Red Jacket Water Products, CentriPro
Friction Loss
PLASTIC PIPE: FRICTION LOSS (IN FEET OF HEAD) PER 100 FT.
GPM
GPH
3
⁄
8
" ½" ¾" 1" 1¼" 1½" 2" 2½" 3" 4" 6" 8" 10"
ft. ft. ft. ft. ft. ft. ft. ft. ft. ft. ft. ft. ft.
1
60 4.25 1.38 .356 .11
2
120 15.13 4.83 1.21 .38 .10
3
180 31.97 9.96 2.51 .77 .21
.10
4
240 54.97 17.07 4.21 1.30 .35
.16
5
300 84.41 25.76 6.33 1.92 .51
.24
6
360
36.34 8.83 2.69 .71
.33 .10
8
480
63.71 15.18 4.58 1.19 .55 .17
10 600 97.52
25.98
6.88 1.78 .83 .25 .11
15 900
49.68
14.63
3.75 1.74 .52 .22
20 1,200
86.94
25.07
6.39 2.94 .86 .36 .13
25 1,500
38.41
9.71 4.44
1.29 .54 .19
30 1,800
13.62
6.26
1.81 .75 .26
35 2,100
18.17 8.37 2.42 1.00 .35 .09
40 2,400
23.55
10.70
3.11
1.28 .44 .12
45 2,700
29.44
13.46
3.84
1.54 .55 .15
50
3,000
16.45
4.67
1.93
.66
.17
60
3,600
23.48
6.60
2.71
.93
.25
70
4,200
8.83
3.66
1.24
.33
80
4,800
11.43
4.67
1.58
.41
90
5,400
14.26
5.82
1.98
.52
100
6,000
7.11
2.42
.63
.08
125
7,500
10.83
3.80
.95
.13
150
9,000
5.15
1.33
.18
175
10,500
6.90
1.78
.23
200
12,000
8.90
2.27
.30
250
15,000
3.36
.45
.12
300
18,000
4.85
.63
.17
350
21,000
6.53
.84
.22
400
24,000
1.08
.28
500
30,000
1.66
.42
.14
550
33,000
1.98
.50
.16
600
36,000
2.35
.59
.19
700
42,000
.79
.26
800
48,000
1.02
.33
900
54,000
1.27
.41
950
57,000
.46
1000
60,000
.50