Full and Half-Couplings

Dimensions Threaded Full & Half Couplings – ASME B16.11

General notes:

Dimensions NPS 1/2 to 4 - Class 3000

Ball Long Pattern
NPS
End to End
Outside Diameter
Minimum Length of Thread
A
D
B
J
1/2
48
28
10.9
13.6
3/4
51
35
12.7
13.9
1
60
44
14.7
17.3
67
57
17
18
79
64
17.8
18.4
2
86
76
19
19.2
92
92
23.6
28.9
3
108
108
25.9
30.5
4
121
140
27.7
33
NPS
A
D
B
J
End to End
Outside Diameter
Minimum Length of Thread

Dimensions NPS 1/2 to 4 - Class 6000

Ball Long Pattern
NPS
End to End
Outside Diameter
Minimum Length of Thread
A
D
B
J
1/2
48
38
10.9
13.6
3/4
51
44
12.7
13.9
1
60
57
14.7
17.3
67
64
17
18
79
76
17.8
18.4
2
86
92
19
19.2
92
108
23.6
28.9
3
108
127
25.9
30.5
4
121
159
27.7
33
NPS
A
D
B
J
End to End
Outside Diameter
Minimum Length of Thread