355
Dixon Sanitary 2014
800.789.1718
Pump Technical
Friction Loss Chart
This table indicates loss of head due to friction in feet loss per foot of tubing or in feet loss per fitting.
Capacity
in US
GPM
OD Tube Size
1"
1½"
2"
2½"
3"
4"
I.D. = 0.870"
I.D. = 1.370"
I.D. = 1.870"
I.D. = 2.370"
I.D. = 2.870"
I.D. = 3.834"
Tubing Elbow Tee Tubing Elbow Tee Tubing Elbow Tee Tubing Elbow Tee Tubing Elbow Tee Tubing Elbow Tee
5 .035 .025 .25
10 .12 .06 .40 .02 .01 .15 .005 .015 .10
15 .25 .10 .80 .04 .02 .25 .013 .02 .15
20 .43 .22 1.5 .06 .03 .30 .02 .025 .20 .005 .02 .10 .003 .02 .06
25 .66 .40 2.3 .08 .04 .40 .025 .03 .25 .006 .03 .15 .004 .03 .08
30 .93 .70 3.3 .105 .06 .55 .035 .05 .30 .008 .05 .20 .005 04 .10
35 1.22 1.25 5.2 .135 .09 .80 .04 .06 .40 .011 .06 .25 .006 .05 .13
40
.17 .11 1.0 .05 .08 .50 .015 .07 .30 .007 .06 .15
45
.21 .16 1.3 .063 .10 .60 .02 .09 .35 .008 .065 .18
50
.25 .20 1.6 .073 .12 .70 .022 .10 .40 .01 .07 .20
60
.34 .35 2.2 .10 .18 .90 .03 .12 .45 .015 .08 .25
80
.57 .76 3.7 .16 .30 1.5 .05 .15 .55 .02 .10 .40
100
.85 1.35 5.8 .23 .44 2.3 .075 .18 .60 .03 .11 .50 .008 .04 .10
120
1.18 2.05 9.1 .32 .64 3.3 .105 .21 1.0 .04 .13 .60 .01 .05 .15
140
.42 .85 4.5 .14 .23 1.25 .05 .16 .80 .013 .06 .2
160
.54 1.13 5.8 .17 .28 1.6 .07 .20 1.1 .015 .07 .25
180
.67 1.45 7.4 .205 .31 2.0 .08 .21 1.3 .02 .08 .30
200
.81 1.82 9.0 .245 .35 2.5 .10 .26 1.6 .025 .09 .40
220
.95 2.22 11.0 .29 .41 3.0 .12 .30 1.9 .028 .10 .50
240
1.10 2.63 13.5 .34 .48 3.7 .14 .33 2.2 .035 .11 .55
260
.39 .53 4.5 .165 .39 2.5 .04 .115 .60
280
.45 .61 5.3 .19 .42 2.8 .045 .12 .65
300
.515 .70 6.2 .22 .50 3.1 .05 .13 .70
350
.68 1.05 8.5 .28 .67 4.1 .07 .15 .90
400
.86 1.55 11.0 .38 .88 5.2 .085 .18 1.2
450
1.05 2.25 13.5 .44 1.1 6.6 .105 .20 1.5
500
.54 1.4 8.0 .13 .23 1.75
550
.64 1.7 9.5 .15 .27 2.1
600
.75 2.05 10.2 .175 .30 2.5
650
.87 2.41 13.0 .20 .34 2.8
700
1.0 2.8 15.0 .23 .40 3.4
750
.26 .43 3.8
800
.30 .50 4.4
Friction Loss in Sanitary Tube and Fittings
W