ASME B16.11 Full Coupling Dimensions

ASME B16.11 Full Coupling Dimensions
Dimensions in Millimeters.
Socket Welding
DN Nom
Pipe
Size
B(2) C(1) D(2) E(2) j
(Min)
(Avg) (Min)
3000Lb
6 1/8 10.8 3.18 3.18 6.9 6.5 9.5
8 1/4 14.2 3.78 3.30 9.3 6.5 9.5
10 3/8 17.6 4.01 15.0 12.6 6.5 9.5
15 1/2 21.8 4.67 4.09 15.6 9.5 9.5
20 3/4 27.2 4.90 42.7 21.0 9.5 125
25 1 33.9 5.69 4.98 26.7 12.5 12.5
32 1-1/4 42.7 6.07 5.28 35.1 12.5 12.5
40 11/2 46.8 6.35 5.54 40.9 12.5 12.5
50 2 61.2 6.93 6.04 52.5 19.0 16.0
65 2-1/2 73.9 8.76 7.67 62.7 19.0 16.0
80 3 89.8 9.52 8.30 78.0 19.0 16.0
100 4 115.2 10.69 9.35 102.3 19.0 19.0
6000Lb
6 1/8 10.8 3.96 3.43 4.0 6.5 9.5
8 1/4 14.2 4.60 401 6.4 6.5 9.5
10 3/8 17.6 5.03 4.37 9.2 6.5 9.5
15 1/2 21.8 5.97 5.18 11.8 9.5 9.5
20 3/4 27.2 6.96 6.04 15.6 9.5 12.5
25 1 31.9 7.92 6.93 20.7 12.5 12.5
32 1-1/4 42.7 7.92 6.93 29.5 12.5 12.5
40 1-1/2 46.8 6.92 17.80 34.0 12.5 12.5
50 2 61.2 10.92 9.50 42.9 19.0 16.0
9000Lb
15 1/2 21.6 9.35 8.15 6.4 9.5 9.5
20 3/4 27.2 9.78 8.56 11.1 9.5 12.5
25 1 33.9 11.38 9.96 15.2 12.5 12.5
32 1-1/4 42.7 12.14 10.62 22.8 12.5 12.5
40 1-1/2 48.8 12.70 11.12 28.0 12.5 12.5
50 2 61.2 13.84 12.12 38.2 19.0 16.0

(1) Average of socket Wall Thickness around periphery shall be no less than listed values. The minimum values are permitted in localized areas.
(2) Reducer “C. J. E” in accordance with large size. “D” in accordance with small size. The others in accordance with each size.

Dimensions Millimeters.
Threaded
DN Nom.
Pipe
Size
Length of Thread.
(Min)
w D
B(*)    L2(*)
3000Lb
6 1/8 6.4 6.7 32 16
8 1/4 8.1 10.2 35 19
10 3/8 9.1 10.4 38 22
15 1/2 10.9 13.6 48 28
20 3/4 12.7 13.9 51 35
25 1 14.7 17.3 60 44
32 1-1/4 17.0 18.4 67 57
40 1-1/2 17.8 18.4 79 64
50 2 19.0 19.2 86 76
65 2-1/2 23.6 28.9 92 92
80 3 25.9 30.5 108 108
100 4 27.7  33.0 121 140
6000Lb
6 1/8 6.4 6.7 32 22
8 1/4 8.1 10.2 35 25
10 3/8 9.1 10.4 38 32
15 1/2 10.9 13.6 48 38
20 3/4 12.7 13.9 51 44
25 1 14.7 17.3 60 57
32 1-1/4 17.0 18.4 67 64
40 1-1/2 17.8 18.4 79 76
50 2 19.0 19.2 86 92
65 2-1/2 23.6 28.9 92 108
80 3 25.9 30.5 108 127
100 4 27.7 33.0 121 159

Dimension B is minimum length of perfect Thread. The length of useful thread (B plus threads- with fully formed roots and flat crests) shall not be less than L2 (effective length of external thread) required by American National Standard for pipe threads (ANSI ASME B1_20.1)