Rain Bird
Flow Sensors
Manual
7
CALIBRATION TABLE FOR PIPE SIZES 3” THROUGH 36”
Column 1
Column 2
Column 3
Column 4
Column 5
Column 6
Suggested Operating
Pipe Size
Pipe O.D.
Pipe I.D.
K Value
Offset
Range (GPM)
3" Sch 10S
3.500"
3.260"
5.009
.090
12-400
Std. Wt., Sch 40
3.5"
3.068"
4.362
.063
12-400
Extra Strong, Sch 80
3.5"
2.900"
3.858
.043
12-400
PVC Class 125
3.5"
3.284"
5.094
.093
12-400
PVC Class 160
3.5"
3.230"
4.902
.085
12-400
PVC Class 200
3.5"
3.166"
4.682
.076
12-400
4" Sch 10S
4.5"
4.260"
9.597
.241
20-600
Std. Wt., Sch 40
4.5"
4.026"
8.34
.229
20-600
Extra Strong, Sch 80
4.5"
3.826"
7.354
.188
20-600
PVC Class 125
4.5"
4.224"
9.396
.240
20-600
PVC Class 160
4.5"
4.154"
9.013
.240
20-600
PVC Class 200
4.5"
4.072"
8.578
.239
20-600
5" Sch 10S
5.563"
5.295"
16.305
.250
30-900
Std. Wt., Sch 40
5.50"
5.047"
14.674
.248
30-900
Extra Strong, Sch 80
5.50"
4.813"
13.165
.246
30-900
6" Sch 10S
6.625"
6.357"
24.089
.260
50-1,500
Std. Wt., Sch 40
6.5"
6.065"
21.574
.257
50-1,500
Extra Strong, Sch 80
6.5"
5.761"
19.457
.254
50-1,500
PVC Class 125
6.625"
6.217"
22.853
.258
50-1,500
PVC Class 160
6.625"
6.115"
21.968
.257
50-1,500
PVC Class 200
6.625"
5.993"
21.068
.256
50-1,500
8" Sch 10S
8.625"
8.329"
43.914
0.286
80-2,500
Sch 20
8.625"
8.125"
41.653
0.283
80-2,500
Sch 30
8.625"
8.071"
41.063
0.283
80-2,500
Std. Wt., Sch 40
8.625"
7.981"
40.086
0.281
80-2,500
Sch 60
8.625"
7.813"
38.288
0.279
80-2,500
Extra Strong, Sch 80
8.625"
7.625"
36.315
0.276
80-2,500
PVC Class 125
8.625"
8.095"
41.324
0.283
80-2,500
PVC Class 160
8.625"
7.961"
39.869
0.281
80-2,500
PVC Class 200
8.625"
7.805"
38.203
0.279
80-2,500
10" Sch 10S
10.75"
10.420"
70.195
0.321
125-4,000
Sch 20
10.75"
10.250"
67.668
0.318
125-4,000
Sch 30
10.75"
10.136"
66.069
0.316
125-4,000
Sch 40, Std.Wt.
10.75"
10.020"
64.532
0.314
125-4,000
Extra Strong, Sch 60
10.75"
9.750"
61.016
0.309
125-4,000
Sch 80
10.75"
9.564"
58.644
0.306
125-4,000
PVC Class 125
10.75"
10.088"
65.431
0.315
125-4,000
PVC Class 160
10.75"
9.924"
63.272
0.312
125-4,000
PVC Class 200
10.75"
9.728"
60.733
0.309
125-4,000
12" Sch 10S
12.75"
12.390"
104.636
0.367
175-5,000
Sch 20
12.75"
12.250"
102.553
0.364
175-5,000
Sch 30
12.75"
12.090"
99.347
0.36
175-5,000
Std. Wt., Sch 40S
12.75"
12.000"
97.576
0.358
175-5,000
Sch 40
12.75"
11.938"
97.369
0.356
175-5,000
Sch 60
12.75"
11.625"
90.441
0.348
175-5,000
Extra Strong
12.75"
11.750"
92.775
0.351
175-5,000
Sch 80
12.74"
11.376"
85.922
0.342
175-5,000
PVC Class 125
12.75"
11.966"
96.912
0.357
175-5,000
PVC Class 160
12.75"
11.770"
93.152
0.352
175-5,000
PVC Class 200
12.75"
11.538"
88.842
0.346
175-5,000
Continued on Next Page
