System information

ClimateMaster Geothermal Heat Pump Systems
19
Residential Products Technical Guide
Closed Loop Design/Installation Guidelines
Table 3c: 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