Bryant 50YEW Design Manual page 50

Water-to-Water System Design Guide
Part III: Source Side Design / Closed Loop Installation Guidelines
Table 3-3b: Polyethylene Pressure Drop per 100ft of Pipe
Antifreeze (30°F [-1°C] EWT): 25% Propylene Glycol by volume solution - freeze protected to 15°F [-9.4°F]
3/4" IPS SDR11
Flow
Vel
Rate
PD (ft)
(ft/s)
1 0.42 0.55
2 1.41 1.10
3 2.86 1.66
4 4.74 2.21
5 7.01 2.76
6 9.64 3.31
7 12.62 3.87
8 15.94 4.42
9 19.59 4.97
10 23.56 5.52
11 27.83 6.08
12 32.41 6.63
13 0 0
14 0 0
15 0 0
16 0 0
17 0 0
18 0 0
19 0 0
20 0 0
21 0 0
22 0 0
23 0 0
24 0 0
25 0 0
26 0 0
28 0 0
30 0 0
32 0 0
34 0 0
36 0 0
38 0 0
40 0 0
42 0 0
44 0 0
46 0 0
48 0 0
50 0 0
48
1" IPS SDR11
Vel
Re (ft) Re
(ft/s)
636 0.14 0.35 507
1271 0.48 0.70 1013
1919 0.98 1.06 1534
2554 1.63 1.41 2041
3190 2.41 1.76 2548
3826 3.31 2.11 3054
4473 4.33 2.47 3575
5109 5.47 2.82 4082
5745 6.73 3.17 4589
6380 8.09 3.52 5095
7028 9.56 3.87 5602
7663 11.13 4.23 6123
0 12.80 4.58 6630
0 14.58 4.93 7136
0 16.45 5.28 7643
0 18.41 5.64 8164
0 20.48 5.99 8670
0 22.63 6.34 9177
0 24.88 6.69 9684
0 27.22 7.04 10190
0 29.64 7.40 10711
0 32.15 7.75 11218
0 0 0 0
0 0 0 0
0 0 0 0
0 0 0 0
0 0 0 0
0 0 0 0
0 0 0 0
0 0 0 0
0 0 0 0
0 0 0 0
0 0 0 0
0 0 0 0
0 0 0 0
0 0 0 0
0 0 0 0
0 0 0 0
Bryant: Whatever It Takes.
1-1/4" IPS SCH40 1-1/2" IPS SCH40
Vel
PD (ft) Re PD
(ft/s)
0.04 0.21 389 0.02
0.15 0.43 798 0.07
0.30 0.64 1187 0.15
0.50 0.86 1595 0.24
0.74 1.07 1985 0.36
1.02 1.29 2393 0.49
1.34 1.50 2782 0.64
1.69 1.72 3190 0.81
2.07 1.93 3580 1.00
2.49 2.15 3988 1.20
2.94 2.36 4377 1.42
3.43 2.57 4767 1.65
3.94 2.79 5175 1.90
4.49 3.00 5564 2.16
5.07 3.22 5972 2.44
5.67 3.43 6362 2.73
6.31 3.65 6770 3.03
6.97 3.86 7159 3.35
7.66 4.08 7567 3.69
8.38 4.29 7957 4.03
9.13 4.50 8346 4.39
9.90 4.72 8754 4.76
10.71 4.93 9144 5.15
11.53 5.15 9552 5.55
12.39 5.36 9941 5.96
13.27 5.58 10349 6.38
15.10 6.01 11147 7.26
17.04 6.44 11944 8.19
19.08 6.86 12723 9.18
21.22 7.29 13521 10.20
23.45 7.72 14318 11.28
25.78 8.15 15116 12.39
28.20 8.58 15914 13.56
30.71 9.01 16711 14.77
0 0 0 16.02
0 0 0 17.31
0 0 0 18.65
0 0 0 20.04
2" IPS SCH40
Vel Vel
Re PD
(ft/s) (ft/s)
0.16 346 0.01 0.10
0.32 692 0.02 0.19
0.47 1017 0.04 0.29
0.63 1363 0.07 0.38
0.79 1709 0.11 0.48
0.95 2056 0.15 0.57
1.10 2380 0.20 0.67
1.26 2726 0.25 0.76
1.42 3073 0.30 0.86
1.58 3419 0.37 0.96
1.73 3743 0.43 1.05
1.89 4090 0.50 1.15
2.05 4436 0.58 1.24
2.21 4782 0.66 1.34
2.36 5107 0.74 1.43
2.52 5453 0.83 1.53
2.68 5799 0.92 1.63
2.84 6145 1.02 1.72
2.99 6470 1.12 1.82
3.15 6816 1.23 1.91
3.31 7162 1.34 2.01
3.47 7509 1.45 2.10
3.62 7833 1.57 2.20
3.78 8179 1.69 2.29
3.94 8526 1.82 2.39
4.10 8872 1.95 2.49
4.41 9543 2.22 2.68
4.73 10235 2.50 2.87
5.04 10906 2.80 3.06
5.36 11598 3.11 3.25
5.67 12269 3.44 3.44
5.99 12961 3.78 3.63
6.30 13632 4.14 3.82
6.62 14325 4.51 4.02
6.93 14995 4.89 4.21
7.25 15688 5.28 4.40
7.57 16380 5.69 4.59
7.88 17051 6.11 4.78
Re
278
528
806
1056
1333
1583
1861
2111
2389
2667
2917
3195
3445
3723
3973
4250
4528
4778
5056
5306
5584
5834
6112
6362
6640
6917
7445
7973
8501
9029
9557
10084
10612
11168
11696
12223
12751
13279