Rain Bird
Flow Sensors
Manual
8
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)
14" Sch 10S
14.00"
13.500"
122.307
0.391
200-6,000
Sch 20
14.00"
13.375"
120.216
0.388
200-6,000
Std. Wt., Sch 30
14.00"
13.250"
118.151
0.385
200-6,000
Sch 40
14.00"
13.124"
116.096
0.382
200-6,000
Sch 60
14.00"
12.814"
111.148
0.376
200-6,000
Extra Strong
14.00"
13.00"
114.098
0.33
200-6,000
Sch 80
14.00"
12.50"
106.299
0.369
200-6,000
16" Sch 10S
16.00"
15.500"
159.243
0.44
300-9,000
Sch 20
16.00"
15.375"
156.742
0.436
300-9,000
Std. Wt., Sch 30
16.00"
15.250"
154.267
0.433
300-9,000
Sch 60
16.00"
14.688"
143.456
0.419
300-9,000
Extra Strong, Sch 40
16.00"
15.000"
149.394
0.427
300-9,000
Sch 80
16.00"
14.314"
136.548
0.41
300-9,000
18" Sch 10S
18.00"
17.500"
202.739
0.498
350-10,000
Sch 20
18.00"
17.375"
199.828
0.494
350-10,000
Sch 30
18.00"
17.124"
194.061
0.486
350-10,000
Std. Wt.
18.00"
17.250"
196.943
0.49
350-10,000
Sch 40
18.00"
16.876"
188.464
0.479
350-10,000
Sch 60
18.00"
16.500"
180.171
0.469
350-10,000
Extra Strong
18.00"
17.000"
191.25
0.482
350-10,000
Sch 80
18.00"
16.126"
172.152
0.457
350-10,000
20" Std. Wt., Sch 20
20.00"
19.25"
246.179
0.555
400-12,000
Sch 40
20.00"
18.812"
234.836
0.540
400-12,000
Extra Strong, Sch 30
20.00"
19.000"
239.666
0.547
400-12,000
Sch 80
20.00"
17.938"
213.14
0.511
400-12,000
22" Std. Wt., Sch 20
22.00"
21.25"
301.975
0.621
500-15,000
Extra Strong, Sch 30
22.00"
21.00"
294.642
0.616
500-15,000
Sch 80
22.00"
19.75"
259.513
0.573
500-15,000
24" Std. Wt., Sch 20
24.00"
23.25"
364.331
0.666
600-18,000
Extra Strong
24.00"
23.00"
356.178
0.660
600-18,000
Sch 40
24.00"
22.624"
344.109
0.652
600-18,000
Sch 80
24.00"
21.562"
311.271
0.628
600-18,000
26" Sch 10
26.00"
25.376"
437.809
0.719
700-21,000
Std. Wt.
26.00"
25.25"
433.247
0.716
700-21,000
Sch 20, Extra Strong
26.00"
25.00"
424.274
0.709
700-21,000
28" Sch 10
28.00"
27.376"
513.698
0.774
900-23,000
Std. Wt.
28.00"
27.25"
508.723
0.770
900-23,000
Extra Strong, Sch 20
28.00"
27.00"
498.930
0.763
900-23,000
30" Sch 10
30.00"
29.376"
596.147
0.833
1,000-30,000
Std. Wt.
30.00"
29.25"
590.759
0.829
1,000-30,000
Sch 20, Extra Strong
30.00"
29.00"
580.146
0.822
1,000-30,000
32" Sch 10
32.00"
31.376"
685.156
0.897
1,200-35,000
Std. Wt.
32.00"
31.25"
679.355
0.893
1,200-35,000
Sch 20, Extra Strong
32.00"
31.00"
667.922
0.885
1,200-35,000
Sch 40
32.00"
30.624"
650.919
0.873
1,200-35,000
34" Sch 10
34.00"
33.312"
777.566
0.964
1,300-40,000
Std. Wt.
34.00"
33.25"
774.511
0.962
1,300-40,000
Extra Strong, Sch 20
34.00"
33.00"
762.258
0.953
1,300-40,000
Sch 40
34.00"
32.624"
744.022
0.940
1,300-40,000
36" Sch 10
36.00"
35.376"
882.855
1.040
1,500-45,000
Std. Wt.
36.00"
35.25"
876.227
1.035
1,500-45,000
Sch 20, Extra Strong
36.00"
35.00"
863.154
1.025
1,500-45,000
Sch 40
36.00"
34.50"
837.315
1.007
1,500-45,000
