A
CU MANUAL
IOM-14
18 of 46
Feb 06 R4
Suction line 1 5/8”
Liquid line 5/8”
Refrigeration Table 1 Equivalent Length.
ACR (OD)
Approximate pressure loss of fittings
(equivalent feet of tubing)
Tubing
Size
90°
Std
90°
Long
Radius
90°
Street
45°
Std
Return
Bend
Tee
Branch
Flow
Tee
Straight
Through
Ball
Valve
Globe
Valve
Angle
Valve
1/2" OD
1.4
0.9
2.3
0.7
2.3
2.7
0.9
0.9
17
6
5/8” OD
1.6
1.0
2.5
0.8
2.5
3.0
1.0
1.0
18
7
7/8” OD
2.0
1.4
3.2
0.9
3.2
4.0
1.4
1.4
22
9
1 1/8” OD
2.6
1.7
4.1
1.3
4.1
5.0
1.7
1.7
29
12
1 3/8” OD
3.3
2.3
5.6
1.7
5.6
7.0
2.3
2.3
38
15
1 5/8” OD
4.0
2.6
6.3
2.1
6.3
8.0
2.6
2.6
43
18
2 1/8” OD
5.0
3.3
8.2
2.6
8.2
10.0
3.3
3.3
55
24
2 5/8” OD
6.0
4.1
10.0
3.2
10.0
12.0
4.1
4.1
69
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