System information

ClimateMaster Geothermal Heat Pump Systems
17
Residential Products Technical Guide
Closed Loop Design/Installation Guidelines
Table 3a: 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