Dimensions SW Reducing Couplings ASME B16.11

Dimensions NPS 1/2 to 2 – Class 3000

NPS Socket
Bore
Depth
Socket
J
Bore
dia
Length
Coupling
Diameter
Coupling
Socket Weld Reducing Coupling
B1 B2 B1 B2 D Q R
3/4 x 1/2 27.30
27.05
21.95
21.70
13 10 16.6
15
35 36
1 x 3/4 34.05
33.80
27.30
27.05
13 13 21.7
20.2
38.1 45.2
1 x 1/2 34.05
33.80
21.95
21.70
13 10 16.6
15
38.1 45.2
1.1/4 x 1 42.80
42.55
34.05
33.80
13 13 27.4
25.9
38.1 55.1
1.1/2 x 1 48.90
48.65
34.05
33.80
13 13 27.4
25.9
38.1 60
1.1/2 x 3/4 48.90
48.65
27.30
27.05
13 13 21.7
20.2
38.1 60
1.1/2 x 1/2 48.90
48.65
21.95
21.70
13 10 16.6
15
38.1 60 Socket Weld Reducing Coupling
2 x 1.1/2 61.35
61.10
48.90
48.65
16 13 41.7
40.1
51.3 74.9
2 x 1 74.20
73.80
34.05
33.80
16 13 27.4
25.9
51.3 74.9
NPS B1 B2 B1 B2 D Q R
Socket
Bore
Depth
Socket
J
Bore
dia
Length
Coupling
Diameter
Coupling

Dimensions NPS 1/2 to 2 – Class 6000

NPS Socket
Bore
Depth
Socket
J
Bore
dia
Length
Coupling
Diameter
Coupling
Socket Weld Reducing Coupling
B1 B2 B1 B2 D Q R
3/4 x 1/2 27.30
27.05
21.95
21.70
13 10 12.5
11
35 40.1
1 x 3/4 34.05
33.80
27.30
27.05
13 13 16.3
14.8
38.1 50
1 x 1/2 34.05
33.80
21.95
21.70
13 10 12.5
11
38.1 50
1.1/4 x 1 42.80
42.55
34.05
33.80
13 13 21.5
19.9
38.1 57.9
1.1/2 x 1 48.90
48.65
34.05
33.80
13 13 21.5
19.9
38.1 65
1.1/2 x 3/4 48.90
48.65
27.30
27.05
13 13 16.3
14.8
38.1 65
1.1/2 x 1/2 48.90
48.65
21.95
21.70
13 10 12.5
11
38.1 65 Socket Weld Reducing Coupling
2 x 1.1/2 61.35
61.10
48.90
48.65
16 13 34.7
33.2
51.3 82
2 x 1 74.20
73.80
34.05
33.80
16 13 21.5
19.9
51.3 82
NPS B1 B2 B1 B2 D Q R
Socket
Bore
Depth
Socket
J
Bore
dia
Length
Coupling
Diameter
Coupling

General notes:

  • Dimensions are in millimeters unless otherwise indicated.
  • Socket Bore (B1 / B2) – Maximum and Minimum dimensions.
  • Bore Diameter (D) – Maximum and Minimum dimensions.