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Fittings Guide

Dimensions Lap Joint Stub Ends schedule STD & XS ASME B16.9

Stubend

Schedule STD

NPS OD T G F R kg
1/2 21.3 2.77 34.9 76.2 3.18 0.16
3/4 26.7 2.87 42.9 76.2 3.18 0.23
1 33.4 3.38 50.8 101.6 3.18 0.29
1.1/4 42.2 3.56 63.5 101.6 4.76 0.45
1.1/2 48.3 3.68 73 101.6 6.35 0.54
2 60.3 3.91 92.1 152.4 7.94 1
2.1/2 73 5.16 104.8 152.4 7.94 1.5
3 88.9 5.49 127 152.4 9.53 2.1
3.1/2 101.6 5.74 139.7 152.4 9.53 2.5
Stubend
NPS OD T G F R kg
4 114.3 6.02 157.2 152.4 11.11 3
5 141.3 6.55 185.7 203.2 11.11 5.4
6 168.3 7.11 215.9 203.2 12.70 7.3
8 219.1 8.18 269.9 203.2 12.70 11.6
10 273.1 9.27 323.9 254 12.70 18
12 323.9 9.53 381 254 12.70 21
14 355.6 9.53 412.8 304.8 12.70 28
16 406.4 9.53 469.9 304.8 12.70 34
18 457.2 9.53 533.4 304.8 12.70 39
20 508 9.53 584.2 304.8 12.70 44
24 609.6 9.53 692.2 304.8 12.70 57

Dimensions are in millimeters unless otherwise indicated. Weights are in kilograms and approximately given.

Schedule XS

NPS OD T G F R kg
1/2 21.3 3.73 34.9 76.2 3.18 0.2
3/4 26.7 3.91 42.9 76.2 3.18 0.3
1 33.4 4.55 50.8 101.6 3.18 0.4
1.1/4 42.2 4.85 63.5 101.6 4.76 0.6
1.1/2 48.3 5.08 73 101.6 6.35 0.7
2 60.3 5.54 92.1 152.4 7.94 1.4
2.1/2 73 7.01 104.8 152.4 7.94 2
3 88.9 7.62 127 152.4 9.53 2.9
3.1/2 101.6 8.08 139.7 152.4 9.53 3.4
Stubend
NPS OD T G F R kg
4 114.3 8.56 157.2 152.4 11.11 4.1
5 141.3 9.53 185.7 203.2 11.11 7.5
6 168.3 10.97 215.9 203.2 12.70 10
8 219.1 12.70 269.9 203.2 12.70 16
10 273.1 12.70 323.9 254 12.70 24
12 323.9 12.70 381 254 12.70 29
14 355.6 12.70 412.8 304.8 12.70 38
16 406.4 12.70 469.9 304.8 12.70 43
18 457.2 12.70 533.4 304.8 12.70 49
20 508 12.70 584.2 304.8 12.70 63
24 609.6 12.70 692.2 304.8 12.70 76

Dimensions are in millimeters unless otherwise indicated. Weights are in kilograms and approximately given.

Dimensional Tolerances of Stub Ends ASME B16.9

Nominal Pipe Size 1/2 up to 2.1/2 3 to 3.1/2 4 5 to 8 10 to 18 20 to 24
Outside Diameter at Welding End (OD) + 1.6
- 0.8
1.6 1.6 + 2.29
- 1.6
+ 4.06
- 3.05
+ 6.35
- 4.83
Overall Length (F) 1.6 1.6 1.6 1.6 2 2
Outside Diameter of Lap (G) + 0
- 0.76
+ 0
- 0.76
+ 0
- 0.76
+ 0
- 0.76
+ 0
- 1.6
+ 0
- 1.6
Thickness of Lap (T) + 1.52
- 0
+ 1.52
- 0
+ 1.52
- 0
+ 1.52
- 0
+ 1.52
- 0
+ 1.52
- 0
Fillet Radius of Lap (R) + 0
- 0.76
+ 0
- 0.76
+ 0
- 1.6
+ 0
- 1.6
+ 0
- 1.6
+ 0
- 1.6
Wall Thickness (t) Not less than 87.5% of Nominal Wall Thickness

Dimensional tolerances are in millimeters unless otherwise indicated.

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