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Uponor PEX friction loss tables
2" Uponor AquaPEX (100% water)
psi loss per 100 feet of tubing
Velocity
(ft/s)
gpm
40°F
4°C
60°F
16°C
80°F
27°C
100°F
38°C
120°F
49°C
140°F
60°C
160°F
71°C
180°F
82°C
1.5 9.75 0.35 0.30 0.28 0.27 0.25 0.24 0.23 0.22
1.6 10.39 0.39 0.34 0.32 0.30 0.28 0.27 0.26 0.25
1.7 11.04 0.43 0.38 0.35 0.33 0.32 0.30 0.29 0.28
1.8 11.69 0.48 0.41 0.39 0.37 0.35 0.33 0.32 0.31
1.9 12.34 0.52 0.46 0.43 0.40 0.38 0.37 0.35 0.34
2.0 12.99 0.57 0.50 0.47 0.44 0.42 0.40 0.39 0.37
2.1 13.64 0.62 0.54 0.51 0.48 0.46 0.44 0.42 0.41
2.2 14.29 0.68 0.59 0.55 0.52 0.50 0.48 0.46 0.44
2.3 14.94 0.73 0.64 0.60 0.57 0.54 0.52 0.50 0.48
2.4 15.59 0.79 0.69 0.64 0.61 0.58 0.56 0.54 0.52
2.5 16.24 0.85 0.74 0.69 0.66 0.63 0.60 0.58 0.56
2.6 16.89 0.91 0.79 0.74 0.70 0.67 0.64 0.62 0.60
2.7 17.54 0.97 0.85 0.79 0.75 0.72 0.69 0.66 0.64
2.8 18.19 1.03 0.90 0.85 0.80 0.77 0.73 0.71 0.68
2.9 18.84 1.10 0.96 0.90 0.85 0.81 0.78 0.75 0.73
3.0 19.49 1.16 1.02 0.96 0.91 0.87 0.83 0.80 0.77
3.1 20.14 1.23 1.08 1.02 0.96 0.92 0.88 0.85 0.82
3.2 20.79 1.30 1.14 1.07 1.02 0.97 0.93 0.90 0.87
3.3 21.44 1.38 1.21 1.13 1.08 1.03 0.98 0.95 0.91
3.4 22.09 1.45 1.27 1.20 1.13 1.08 1.04 1.00 0.97
3.5 22.74 1.53 1.34 1.26 1.19 1.14 1.09 1.05 1.02
3.6 23.39 1.60 1.41 1.32 1.26 1.20 1.15 1.11 1.07
3.7 24.04 1.68 1.48 1.39 1.32 1.26 1.21 1.16 1.12
3.8 24.69 1.76 1.55 1.46 1.38 1.32 1.27 1.22 1.18
3.9 25.34 1.85 1.62 1.53 1.45 1.38 1.33 1.28 1.24
4.0 25.99 1.93 1.70 1.60 1.52 1.45 1.39 1.34 1.29
4.1 26.64 2.02 1.77 1.67 1.58 1.51 1.45 1.40 1.35
4.2 27.29 2.10 1.85 1.74 1.65 1.58 1.52 1.46 1.41
4.3 27.94 2.19 1.93 1.82 1.72 1.65 1.58 1.52 1.47
4.4 28.59 2.28 2.01 1.89 1.80 1.72 1.65 1.59 1.54
4.5 29.24 2.38 2.09 1.97 1.87 1.79 1.72 1.65 1.60
4.6 29.89 2.47 2.18 2.05 1.95 1.86 1.79 1.72 1.66
4.7 30.54 2.57 2.26 2.13 2.02 1.93 1.86 1.79 1.73
4.8 31.18 2.66 2.35 2.21 2.10 2.01 1.93 1.86 1.80
4.9 31.83 2.76 2.44 2.29 2.18 2.08 2.00 1.93 1.86
5.0 32.48 2.86 2.53 2.38 2.26 2.16 2.07 2.00 1.93
5.1 33.13 2.96 2.62 2.46 2.34 2.24 2.15 2.07 2.00
5.2 33.78 3.07 2.71 2.55 2.42 2.32 2.23
2.15 2.08
5.3 34.43 3.17 2.80 2.64 2.51 2.40 2.30 2.22 2.15
5.4 35.08 3.28 2.90 2.73 2.59 2.48 2.38 2.30 2.22
5.5 35.73 3.39 2.99 2.82 2.68 2.56 2.46 2.37 2.30
5.6 36.38 3.50 3.09 2.91 2.77 2.65 2.54 2.45 2.37
5.7 37.03 3.61 3.19 3.01 2.86 2.73 2.63 2.53 2.45
5.8 37.68 3.72 3.29 3.10 2.95 2.82 2.71 2.61 2.53
5.9 38.33 3.84 3.39 3.20 3.04 2.91 2.80 2.70 2.61
6.0 38.98 3.95 3.49 3.30 3.13 3.00 2.88 2.78 2.69
6.1 39.63 4.07 3.60 3.39 3.23 3.09 2.97 2.86 2.77
6.2 40.28 4.19 3.71 3.50 3.32 3.18 3.06 2.95 2.85
6.3 40.93 4.31 3.81 3.60 3.42 3.27 3.15 3.03 2.94
6.4 41.58 4.43 3.92 3.70 3.52 3.37 3.24 3.12 3.02
6.5 42.23 4.55 4.03 3.80 3.62 3.46 3.33 3.21 3.11
6.6 42.88 4.68 4.14 3.91 3.72 3.56 3.42 3.30 3.19
6.7 43.53 4.81 4.26 4.02 3.82 3.66 3.52 3.39 3.28
2" Uponor AquaPEX (100% water)
psi loss per 100 feet of tubing
Velocity
(ft/s)
gpm
40°F
4°C
60°F
16°C
80°F
27°C
100°F
38°C
120°F
49°C
140°F
60°C
160°F
71°C
180°F
82°C
6.8 44.18 4.93 4.37 4.12 3.92 3.75 3.61 3.48 3.37
6.9 44.83 5.06 4.49 4.23 4.03 3.86 3.71 3.58 3.46
7.0 45.48 5.19 4.60 4.34 4.13 3.96 3.81 3.67 3.55
7.1 46.13 5.33 4.72 4.46 4.24 4.06 3.90 3.77 3.65
7.2 46.78 5.46 4.84 4.57 4.35 4.16 4.00 3.86 3.74
7.3 47.43 5.60 4.96 4.68 4.46 4.27 4.10 3.96 3.83
7.4 48.08 5.73 5.08 4.80 4.57 4.37 4.21 4.06 3.93
7.5 48.73 5.87 5.21 4.92 4.68 4.48 4.31 4.16 4.03
7.6 49.38 6.01 5.33 5.04 4.79 4.59 4.41 4.26 4.12
7.7 50.03 6.15 5.46 5.16 4.91 4.70 4.52 4.36 4.22
7.8 50.68 6.30 5.59 5.28 5.02 4.81 4.63 4.47 4.32
7.9 51.33 6.44 5.72 5.40 5.14 4.92 4.73 4.57 4.42
8.0 51.97 6.59 5.85 5.52 5.26 5.03 4.84 4.68 4.53
8.1 52.62 6.73 5.98 5.65 5.38 5.15 4.95 4.78 4.63
8.2 53.27 6.88 6.11 5.77 5.50 5.26 5.06 4.89 4.73
8.3 53.92 7.03 6.24 5.90 5.62 5.38 5.18 5.00 4.84
8.4 54.57 7.18 6.38 6.03 5.74 5.50 5.29 5.11 4.95
8.5 55.22 7.34 6.52 6.16 5.86 5.62 5.41 5.22 5.05
8.6 55.87 7.49 6.65 6.29 5.99 5.74 5.52 5.33 5.16
8.7 56.52 7.65 6.79 6.42 6.11 5.86 5.64 5.44 5.27
8.8 57.17 7.80 6.93 6.55 6.24 5.98 5.76 5.56 5.38
8.9 57.82 7.96 7.08 6.69 6.37 6.10 5.87 5.67 5.49
9.0 58.47 8.12 7.22 6.82 6.50 6.23 5.99 5.79 5.61
9.1 59.12 8.28 7.36 6.96 6.63 6.35 6.12 5.91 5.72
9.2 59.77 8.45 7.51 7.10 6.76 6.48 6.24 6.02 5.83
9.3 60.42 8.61 7.66 7.24 6.90 6.61 6.36 6.14 5.95
9.4 61.07 8.78 7.81 7.38 7.03 6.74 6.49 6.26 6.07
9.5 61.72 8.94 7.95 7.52 7.17 6.87 6.61 6.39 6.18
9.6 62.37 9.11 8.11 7.66 7.30 7.00 6.74 6.51 6.30
9.7 63.02 9.28 8.26 7.81 7.44 7.13 6.87 6.63 6.42
9.8 63.67 9.45 8.41 7.95 7.58 7.26 6.99 6.76 6.54
9.9 64.32 9.63 8.57 8.10 7.72 7.40 7.12 6.88 6.67
10.0 64.97 9.80 8.72 8.25 7.86 7.53 7.26 7.01 6.79
10.1 65.62 9.98 8.88 8.40 8.00 7.67 7.39 7.14 6.91
10.2 66.27 10.15 9.04 8.55 8.15 7.81 7.52 7.27 7.04
10.3 66.92 10.33 9.20 8.70 8.29 7.95 7.66 7.40 7.16
10.4 67.57 10.51 9.36 8.85 8.44 8.09 7.79 7.53 7.29
10.5 68.22 10.69 9.52 9.01 8.59 8.23 7.93
7.66 7.42
10.6 68.87 10.87 9.68 9.16 8.73 8.37 8.06 7.79 7.55
10.7 69.52 11.06 9.85 9.32 8.88 8.52 8.20 7.93 7.68
10.8 70.17 11.24 10.02 9.48 9.03 8.66 8.34 8.06 7.81
10.9 70.82 11.43 10.18 9.63 9.19 8.81 8.48 8.20 7.94
11.0 71.47 11.62 10.35 9.79 9.34 8.95 8.63 8.33 8.07
11.1 72.12 11.81 10.52 9.96 9.49 9.10 8.77 8.47 8.21
11.2 72.76 12.00 10.69 10.12 9.65 9.25 8.91 8.61 8.34
11.3 73.41 12.19 10.86 10.28 9.80 9.40 9.06 8.75 8.48
11.4 74.06 12.38 11.04 10.45 9.96 9.55 9.20 8.89 8.62
11.5 74.71 12.58 11.21 10.61 10.12 9.71 9.35 9.04 8.76
11.6 75.36 12.78 11.39 10.78 10.28 9.86 9.50 9.18 8.89
11.7 76.01 12.97 11.57 10.95 10.44 10.01 9.65 9.32 9.04
11.8 76.66 13.17 11.74 11.12 10.60 10.17 9.80 9.47 9.18
11.9 77.31 13.37 11.92 11.29 10.77 10.33 9.95 9.62 9.32
12.0 77.96 13.57 12.11 11.46 10.93 10.48 10.10 9.76 9.46