ASME B16.11 Cap Dimensions

ASME B16.11 Cap Dimensions
Dimensions in Millimeters.
Socket Welding
DN Nom
Pipe
Size
B
(Min)
C K
(Min)
J
(Min)
(Avg) (Min)
3000Lb
6 1/8 10.8 3.18 3.18 4.8 9.5
8 1/4 14.2 17.8 3.30 4.8 9.5
10 3/8 17.6 4.01 3.50 4.8 9.5
15 1/2 21.8 4.67 4.09 6.4 9.5
20 3/4 27.2 4.90 4.27 6.4 12.5
25 1 33.9 5.69 4.98 9.6 12.5
32 11/4 42.7 6.07 5.28 9.6 12.5
40 1-1/2 48.8 6.35 5.54 11.2 12.5
50 2 61.2 6.93 6.04 12.7 16.0
65 2-1/2 73.9 8.76  7.67 15.7 16.0
😯 3 89.8 9.52 8.30 19.0 16.0
100 4 115.2 10.69 9.35 22.4 19.0
6000Lb
6 1/8 10.8 3.96 3.43  6.4 9.5
8 1/4 14.2 4.60 4.01 6.4 9.5
10 3/8 17.6 5.03 4.37  6.4 9.5
15 1/2 21.8 5.97 5.18 7.9 9.5
20 3/4 27.2 6.96 6.04  7.9 12.5
25 1 33.9 7.92 6.93 11.2 12.5
32 1-1/4 42.7 7.92 6.93 11.2 12.5
40 1-1/2 48.8 8.92 7.80 12.7 12.5
50 2 61.2 10.92 9.50 15.7 16.0
9000Lb
15 1/2 21.8 9.35 8.18 11.2 9.5
20 3/4 27.2 9.78    8.56 12.7 12.5
25 1 33.9 11.38 9.96 14.2 12.5
32 11/4 42.7 12.14   10.62 14.2 12.5
40 1-1/2 48.8 12.70 11.12 15.7   12.5
  50 2 61.2 13.84 12.21 19.0 16.0

(1) Average of socket Wail Thickness around periphery shall be no less than listed values. The minimum values are permitted in localized areas.

Dimensions are in Millimeters.
Threaded
  Nom Length of Thread.      
DN Pipe (Min) P D G
  Size B | L2     (Min)
3000Lb
6 1/8 6.4 6.7 19 16 4.8
8 1/4 8.1 10.2 25 19 4.8
10 3/8 9.1 10.4 25 22 4.8
15 1/2 10.9 13.6 32 28 6.4
20 3/4 12.7 13.9 37 35 6.4
25 1 14.7 17.3 41 44 9.7
32 1-1/4 17.0 18.4 44 57 9.7
40 11/2 17.8 18.4 44 64 11.2
50 2 19.0 19.2 48 76 12.7
65 2-1/2 23.6 28.9 60 92 15.7
80 3 25.9 30.5 65 108 19.0
100 4 27.7 33.0 68 140 22.4
6000Lb
    8 1/4 8.1 10.2 27 25 6.4
10 3/8 9.1 10.4 27 32 6.4
15 1/2 10.9 13.6 33 38 7.9
20 3/4 12.7 13.9 38 44 7.9
25 1 14.7 17.3 43 57 11.2
32 1-1/4 17.0 18.4 46 64 11.2
40 1-1/2 17.8 18.4 48 76 12.7
50 2 19.0 19.2 51 92 15.7
65 2-1/2 23.6 28.9 64 108 19.0
80 3 25.9 30.5 68 127 22.4
100 4 27.7 33.0 75 159 28.4

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).