System information

ClimateMaster Geothermal Heat Pump Systems
21
Residential Products Technical Guide
Table 3e: Polyethylene Pressure Drop per 100ft of Pipe
No Antifreeze (50°F [10°C] EWT): Water
Closed Loop Design/Installation Guidelines
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 PD (ft)
Vel
(ft/s)
Re PD (ft)
Vel
(ft/s)
Re PD (ft)
Vel
(ft/s)
Re PD (ft)
Vel
(ft/s)
Re
1 0.23 0.55 2,806 0.08 0.35 2,241 0.02 0.21 1,724 0.01 0.16 1,508 0.00 0.10 1,160
2 0.78 1.10 5,612 0.27 0.70 4,481 0.08 0.43 3,447 0.04 0.32 3,016 0.01 0.19 2,320
3 1.59 1.66 8,418 0.54 1.06 6,722 0.17 0.64 5,171 0.08 0.47 4,525 0.02 0.29 3,481
4 2.62 2.21 11,224 0.90 1.41 8,963 0.28 0.86 6,895 0.13 0.63 6,033 0.04 0.38 4,641
5 3.88 2.76 14,030 1.33 1.76 11,203 0.41 1.07 8,618 0.20 0.79 7,541 0.06 0.48 5,801
6 5.34 3.31 16,836 1.83 2.11 13,444 0.56 1.29 10,342 0.27 0.95 9,049 0.08 0.57 6,961
7 6.99 3.87 19,642 2.40 2.47 15,684 0.74 1.50 12,066 0.36 1.10 10,558 0.11 0.67 8,121
8 8.83 4.42 22,448 3.03 2.82 17,925 0.93 1.72 13,789 0.45 1.26 12,066 0.14 0.76 9,281
9 10.85 4.97 25,254 3.73 3.17 20,166 1.15 1.93 15,513 0.55 1.42 13,574 0.17 0.86 10,442
10 13.05 5.52 28,060 4.48 3.52 22,406 1.38 2.15 17,237 0.66 1.58 15,082 0.20 0.96 11,602
11 15.41 6.08 30,866 5.30 3.87 24,647 1.63 2.36 18,960 0.78 1.73 16,590 0.24 1.05 12,762
12 17.95 6.63 33,672 6.16 4.23 26,888 1.90 2.57 20,684 0.91 1.89 18,099 0.28 1.15 13,922
13 7.09 4.58 29,128 2.18 2.79 22,408 1.05 2.05 19,607 0.32 1.24 15,082
14 8.07 4.93 31,369 2.49 3.00 24,132 1.20 2.21 2,115 0.36 1.34 16,242
15 9.11 5.28 33,609 2.81 3.22 25,855 1.35 2.36 22,623 0.41 1.43 17,403
16 10.20 5.64 35,850 3.14 3.43 27,579 1.51 2.52 24,132 0.46 1.53 18,563
17 11.34 5.99 38,091 3.49 3.65 29,303 1.68 2.68 25,640 0.51 1.63 19,723
18 12.53 6.34 40,331 3.86 3.86 31,026 1.86 2.84 27,148 0.57 1.72 20,883
19 13.78 6.69 42,572 4.24 4.08 32,750 2.04 2.99 28,656 0.62 1.82 22,043
20 15.07 7.04 44,813 4.64 4.29 34,474 2.23 3.15 30,164 0.68 1.91 23,203
21 16.41 7.40 47,053 5.06 4.50 36,197 2.43 3.31 31,673 0.74 2.01 24,364
22 17.80 7.75 49,294 5.48 4.72 37,921 2.64 3.47 33,181 0.81 2.10 25,524
23 19.25 8.10 51,534 5.93 4.93 39,645 2.85 3.62 34,689 0.87 2.20 26,684
24 6.39 5.15 41,368 3.07 3.78 36,197 0.94 2.29 27,844
25 6.86 5.36 43,092 3.30 3.94 37,706 1.01 2.39 29,004
26 7.35 5.58 44,816 3.53 4.10 39,214 1.08 2.49 30,164
28 8.36 6.01 48,263 4.02 4.41 42,230 1.23 2.68 32,485
30 9.44 6.44 51,710 4.54 4.73 45,247 1.38 2.87 34,805
32 10.57 6.86 55,158 5.08 5.04 48,263 1.55 3.06 37,125
34 11.75 7.29 58,605 5.65 5.36 51,280 1.72 3.25 39,446
36 12.99 7.72 62,053 6.24 5.67 54,296 1.91 3.44 41,766
38 14.27 8.15 66,500 6.86 5.99 57,312 2.10 3.63 44,086
40 15.61 5.58 68,947 7.51 6.30 60,329 2.29 3.82 46,407
42 17.01 9.01 72,395 8.18 6.62 63,345 2.49 4.02 48,727
44 18.45 9.44 75,842 8.87 6.93 66,362 2.71 4.21 51,047
46 19.94 9.87 79,289 9.59 7.25 69,378 2.93 4.40 53,368
48 10.33 7.57 72,395 3.15 4.59 55,688
50 11.09 7.88 75,411 3.39 4.78 58,009