User guide

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