Pipe Coupling Dimensions

Full coupling
Full coupling
Half coupling
Half coupling
Nominal Size Outer Diameter Socket Bore Diameter Bore Diameter of Bore Diameter of Fittings Bore Diameter of Fittings Wall Thickness
# 3000
Wall Thickness
# 3000
Wall Thickness
# 6000
Wall Thickness
# 6000
Wall Thickness
# 9000
Wall Thickness
# 9000
Full Coupling Full Coupling Half Coupling Half Coupling
Inch. A B C – 3000 C – 6000 C – 9000 D D D D D D L1 L2 L1 L2
Maximum
Minimum
Maximum
Minimum
Maximum
Minimum
Maximum
Minimum
Average Minimum Average Minimum Average Minimum
1/8 B+D 11.2
10.8
7.6
6.1
4.8
3.2
3.18 3.18 3.96 3.43 9.5 6.5 9.5 16.0
1/4 B+D 14.6
14.2
10.0
8.5
7.1
5.6
3.78 3.30 4.6 4.01 9.5 6.5 9.5 16.0
3/8 B+D 18.0
17.6
13.3
11.8
9.9
8.4
4.01 3.50 5.03 4.37 9.5 6.5 9.5 17.5
1/2 B+D 22.2
21.8
16.6
15.0
12.5
11.0
7.2
5.6
4.67 4.09 5.97 5.18 9.35 8.18 9.5 9.5 9.5 22.5
3/4 B+D 27.6
27.2
21.7
20.2
16.3
14.8
11.8
10.3
4.90 4.27 6.96 6.04 9.78 8.56 12.5 9.5 12.5 24.0
1 B+D 34.3
33.9
27.4
25.9
21.5
19.9
16.0
14.4
5.69 4.98 7.92 6.93 11.38 9.96 12.5 12.5 12.5 28.5
1 1/4 B+D 43.1
42.7
35.8
34.3
30.2
28.7
23.5
22.0
6.07 5.28 7.92 6.93 12.14 10.62 12.5 12.5 12.5 30.0
1 1/2 B+D 49.2
48.8
41.6
40.1
34.7
33.2
28.7
27.2
6.35 5.54 8.92 7.8 12.7 11.12 12.5 12.5 12.5 32.0
2 B+D 61.7
61.2
53.3
51.7
43.6
42.1
38.9
37.4
6.93 6.04 10.92 9.5 13.84 12.12 16.0 19.0 16.0 41.0
2 1/2 B+D 74.4
73.9
64.2
61.2
8.76 7.67 16.0 19.0 16.0 43.0
3 B+D 90.3
89.8
79.4
76.4
9.52 8.30 16.0 19.0 16.0 44.5
4 B+D 103.8
100.7
103.8
100.7
10.69 9.35 16.0 19.0 16.0 48.0
All Dimensions are in mm
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