25
Flow Controller 3
R e v. : F e b u r a r y 9 , 2 0 1 6
Pressure Drop
Table 6a: Polyethylene Pressure Drop per 100ft of Pipe
Antifreeze (30°F [-1°C] EWT): 17% Methanol 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
0.35
0.55
1221
0.14
0.35
975
0.06
0.22
773
0.03
0.17
676
0.01
0.11
541
2
0.89
1.10
2442
0.28
0.70
1950
0.11
0.44
1547
0.07
0.34
1352
0.03
0.22
1081
3
2.49
1.66
3664
0.82
1.06
2925
0.19
0.66
2320
0.10
0.51
2028
0.04
0.32
1622
4
4.05
2.21
4885
1.41
1.41
3901
0.47
0.89
3094
0.22
0.68
2703
0.05
0.43
2162
5
5.92
2.76
6106
2.05
1.76
4876
0.69
1.11
3867
0.37
0.85
3379
0.11
0.54
2703
6
8.09
3.31
7327
2.80
2.11
5851
0.94
1.33
4640
0.50
1.01
4055
0.17
0.65
3243
7
10.54
3.87
8549
3.64
2.47
6826
1.22
1.55
5414
0.65
1.18
4731
0.23
0.76
3784
8
13.27
4.42
9770
4.58
2.82
7801
1.54
1.77
6187
0.81
1.35
5407
0.29
0.87
4324
9
16.27
4.97
10991
5.61
3.17
8776
1.88
1.99
6960
1.00
1.52
6083
0.35
0.97
4865
10
19.53
5.52
12212
6.73
3.52
9752
2.25
2.22
7734
1.19
1.69
6758
0.42
1.08
5405
11
23.05
6.08
13433
7.93
3.87
10727
2.65
2.44
8507
1.40
1.86
7434
0.49
1.19
5946
12
26.82
6.63
14655
9.22
4.23
11702
3.08
2.66
9281
1.63
2.03
8110
0.57
1.30
6486
13
30.84
7.18
15876
10.60
4.58
12677
3.54
2.88
10054
1.87
2.20
8786
0.65
1.41
7027
14
12.06
4.93
13652
4.02
3.10
10827
2.12
2.37
9462
0.74
1.51
7567
15
13.59
5.28
14627
4.53
3.32
11601
2.39
2.54
10138
0.83
1.62
8108
16
15.21
5.63
15603
5.06
3.54
12374
2.67
2.71
10813
0.93
1.73
8649
17
16.91
5.99
16578
5.63
3.77
13148
2.97
2.88
11489
1.03
1.84
9189
18
18.69
6.34
17553
6.21
3.99
13921
3.28
3.04
12165
1.14
1.95
9730
19
20.54
6.69
18528
6.83
4.21
14694
3.60
3.21
12841
1.25
2.06
10270
20
22.47
7.04
19503
7.47
4.43
15468
3.94
3.38
13517
1.37
2.16
10811
21
8.13
4.65
16241
4.29
3.55
14193
1.49
2.27
11351
22
8.82
4.87
17014
4.65
3.72
14868
1.61
2.38
11892
23
9.53
5.09
17788
5.02
3.89
15544
1.74
2.49
12432
24
10.27
5.32
18561
5.41
4.06
16220
1.87
2.60
12973
25
11.03
5.54
19335
5.81
4.23
16896
2.01
2.71
13513
26
11.81
5.76
20108
6.22
4.40
17572
2.15
2.81
14054
28
13.45
6.20
21655
7.08
4.74
18923
2.45
3.03
15135
30
15.18
6.65
23201
7.99
5.07
20275
2.76
3.25
16216
32
17.01
7.09
24748
8.95
5.41
21627
3.09
3.46
17297
34
9.95
5.75
22979
3.44
3.68
18378
36
11.01
6.09
24330
3.80
3.90
19459
38
12.11
6.43
25682
4.18
4.11
20540
40
13.25
6.77
27034
4.57
4.33
21621
42
14.44
7.10
28385
4.98
4.54
22702
44
5.41
4.76
23783
46
5.84
4.98
24864
48
6.30
5.19
25946
50
6.77
5.41
27027