41
®
Link
Heat
Friction Losses
Type of Fitting
Equivalent Length of PEX
HPP
1⁄2"
3⁄4"
1"
Coupling
6.7
4.8
4.5
Elbow 90°
13.5
15.5
17.4
Tee-Branch
15.3
17.0
17.0
Tee - Run
6.0
6.6
6.0
BRASS
1⁄2"
3⁄4"
1"
11⁄4"
11⁄2"
2"
Coupling
2.0
0.6
1.3
2
2
2
Elbow 90°
9.4
9.4
10.0
10
12
20
Tee - Branch
10.4
8.9
11.0
10
12
19
Tee - Run
2.4
1.9
2.3
2
2
2
PEX Tubing Water Volume
Dimension and Volume
Size
Volume (US gallons/ft)
Volume (L/m)
1⁄2"
0.0092
0.114
3⁄4"
0.0184
0.228
1"
0.0303
0.376
11⁄4"
0.0453
0.563
11⁄2"
0.0631
0.785
2"
0.1083
1.344
