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27
Flow Controller 3
R e v. : F e b u r a r y 9 , 2 0 1 6
Pressure Drop
Table 6c: Polyethylene Pressure Drop per 100ft of Pipe
Antifreeze (30°F [-1°C] EWT): 20% Ethanol by volume solution - freeze protected to 15°F [-9.4°F]
Flow
Rate
3/4” IPS SDR11
1” IPS SDR11
1-1/4” IPS SCH40
1-1/2” IPS SCH40
2” IPS SCH40
PD (ft)
Vel
(ft/s)
Re
(ft)
Vel
(ft/s)
Re
PD (ft)
Vel
(ft/s)
Re
PD
Vel
(ft/s)
Re
PD
Vel
(ft/s)
Re
1
0.56
0.55
757
0.23
0.35
604
0.09
0.22
479
0.05
0.17
419
0.02
0.11
335
2
1.12
1.10
1514
0.45
0.70
1209
0.18
0.44
959
0.10
0.34
838
0.04
0.22
670
3
1.81
1.66
2271
0.68
1.06
1813
0.27
0.66
1438
0.16
0.51
1257
0.06
0.32
1005
4
4.56
2.21
3027
1.14
1.41
2417
0.36
0.89
1917
0.21
0.68
1675
0.09
0.43
1340
5
6.84
2.76
3784
2.31
1.76
3022
0.55
1.11
2397
0.26
0.85
2094
0.11
0.54
1675
6
9.32
3.31
4541
3.24
2.11
3626
1.02
1.33
2876
0.44
1.01
2513
0.13
0.65
2010
7
12.10
3.87
5298
4.21
2.47
4230
1.41
1.55
3355
0.72
1.18
2932
0.17
0.76
2345
8
15.19
4.42
6055
5.27
2.82
4835
1.78
1.77
3834
0.94
1.35
3351
0.28
0.87
2680
9
18.58
4.97
6812
6.44
3.17
5439
2.17
1.99
4314
1.15
1.52
3770
0.39
0.97
3015
10
22.26
5.52
7569
7.71
3.52
6044
2.59
2.22
4793
1.38
1.69
4188
0.48
1.08
3350
11
26.22
6.08
8325
9.07
3.87
6648
3.05
2.44
5272
1.62
1.86
4607
0.57
1.19
3685
12
30.46
6.63
9082
10.53
4.23
7252
3.53
2.66
5752
1.87
2.03
5026
0.66
1.30
4020
13
34.97
7.18
9839
12.08
4.58
7857
4.05
2.88
6231
2.15
2.20
5445
0.75
1.41
4355
14
13.72
4.93
8461
4.59
3.10
6710
2.43
2.37
5864
0.85
1.51
4690
15
15.45
5.28
9065
5.17
3.32
7190
2.74
2.54
6283
0.96
1.62
5025
16
17.26
5.63
9670
5.77
3.54
7669
3.06
2.71
6702
1.07
1.73
5360
17
19.17
5.99
10274
6.41
3.77
8148
3.39
2.88
7120
1.18
1.84
5695
18
21.16
6.34
10878
7.07
3.99
8627
3.74
3.04
7539
1.31
1.95
6030
19
23.24
6.69
11483
7.76
4.21
9107
4.11
3.21
7958
1.43
2.06
6365
20
25.40
7.04
12087
8.48
4.43
9586
4.48
3.38
8377
1.56
2.16
6700
21
9.22
4.65
10065
4.88
3.55
8796
1.70
2.27
7035
22
9.99
4.87
10545
5.28
3.72
9215
1.84
2.38
7370
23
10.79
5.09
11024
5.70
3.89
9634
1.99
2.49
7705
24
11.62
5.32
11503
6.14
4.06
10052
2.14
2.60
8040
25
12.47
5.54
11983
6.59
4.23
10471
2.29
2.71
8375
26
13.35
5.76
12462
7.05
4.40
10890
2.45
2.81
8710
28
15.18
6.20
13420
8.01
4.74
11728
2.79
3.03
9380
30
17.12
6.65
14379
9.03
5.07
12565
3.14
3.25
10050
32
19.16
7.09
15338
10.10
5.41
13403
3.51
3.46
10720
34
11.23
5.75
14241
3.90
3.68
11390
36
12.40
6.09
15079
4.30
3.90
12060
38
13.63
6.43
15916
4.72
4.11
12730
40
14.90
6.77
16754
5.16
4.33
13400
42
16.23
7.10
17592
5.62
4.54
14070
44
6.09
4.76
14740
46
6.59
4.98
15410
48
7.09
5.19
16080
50
7.62
5.41
16750