Panasonic U-72MF1U9 Technical Data Manual page 23

1. Model Selecting and Capacity Calculator
1-6. Straight Equivalent Length of Joints
Design the tubing system by referring to the following table for the straight equivalent length of joints.
Table 2-8 Straight Equivalent Length of Joints
Gas tubing size (in.(mm))
90° elbow
45° elbow
U-shape tube bent
(R2–23/64–3–15/16 in.)
T r ap bend
Y-branch distr ibution joint
Ball v alve f or ser vice
1/2" 5/8" 3/4" 7/8"
(12.7) (15.88) (19.05) (22.22)
1 1.1 1.4 1.6
0.8 0.9 1 1.2
3 3.4 4.1 4.7
7.5 9.2 10.5 12.5
Equivalent length conversion not needed.
Equivalent length conversion not needed.
2 - 9
Design of 3WAY VRF SYSTEM
Unit: ft.
1" 1-1/8" 1-3/8"
(25.4) (28.58) (38.1)
1.7 1.9 2.5
1.3 1.4 1.8
5.1 5.6 7.4
14.1 15.4 19.2
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