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BUTTWELD
BUTTWELD DIMENSIONS (ASME B16.9)
| NPS |
O.D. in inches |
DN |
D |
M |
| 1/2 |
0.84 |
15mm |
1.0 |
1.0 |
| 3/4 |
1.05 |
20mm |
1.125 |
1.125 |
| 1 |
1.315 |
25mm |
1.5 |
1.5 |
| 1 1/4 |
1.66 |
32mm |
1.875 |
1.875 |
| 1 1/2 |
1.90 |
40mm |
2.250 |
2.250 |
| 2 |
2.375 |
50mm |
2.5 |
2.5 |
| 2 1/2 |
2.875 |
65mm |
3.0 |
3.0 |
| 3 |
3.50 |
80mm |
3.375 |
3.375 |
| 3 1/2 |
4.00 |
90mm |
3.75 |
3.75 |
| 4 |
4.50 |
100mm |
4.125 |
4.125 |
| 5 |
5.563 |
125mm |
4.875 |
4.875 |
| 6 |
6.625 |
150mm |
5.625 |
5.625 |
| 8 |
8.625 |
200mm |
7.0 |
7.0 |
| 10 |
10.75 |
250mm |
8.5 |
8.5 |
| 12 |
12.75 |
300mm |
10.0 |
10.0 |
| 14 |
14.00 |
350mm |
11.0 |
11.0 |
| 16 |
16.00 |
400mm |
12.0 |
12.0 |
| 18 |
18.00 |
450mm |
13.5 |
13.5 |
| 20 |
20.00 |
500mm |
15.0 |
15.0 |
| 22 |
22.00 |
550mm |
16.5 |
16.5 |
| 24 |
24.00 |
600mm |
17.0 |
17.0 |
| 26 |
26.00 |
650mm |
19.5 |
19.5 |
| 28 |
28.00 |
700mm |
20.5 |
20.5 |
| 30 |
30.00 |
750mm |
22.0 |
22.0 |
| 32 |
32.00 |
800mm |
23.5 |
23.5 |
| 34 |
34.00 |
850mm |
25.0 |
25.0 |
| 36 |
36.00 |
900mm |
26.5 |
26.5 |
| 40 |
40.00 |
1000mm |
29.5 |
29.5 |
| 44 |
44.00 |
1100mm |
32.0 |
30.0 |
| 48 |
48.00 |
1200mm |
35.0 |
33.0 |
D center to end on Run
M center to end on outlet |
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