|
| British Standard 10 Table H |
 |
| Nominal
Pipe Size |
Approx
OD Of Pipe |
OD
Of Flanges |
P.C.D
of Flanges |
No
& Dia of Bolt |
Thickness
Of Flanges |
| |
Table H |
| 15 |
21.3 |
25 |
67 |
- |
12 |
| 20 |
26.7 |
102 |
73 |
- |
12 |
| 15 |
21.3 |
114.3 |
82 |
4-18 |
12 |
| 20 |
26.7 |
114.3 |
82 |
4-18 |
12 |
| 25 |
33.4 |
121 |
87 |
4-18 |
14 |
| 32 |
42.2 |
133 |
98 |
4-18 |
16 |
| 40 |
48.3 |
140 |
124 |
4-18 |
16 |
| 50 |
60.3 |
165 |
127 |
4-18 |
20 |
| 65 |
76.2 |
184 |
146 |
8-18 |
20 |
| 80 |
88.9 |
203 |
165 |
8-18 |
22 |
| 100 |
114.3 |
229 |
190 |
8-18 |
22 |
| 125 |
141 |
279 |
235 |
8-22 |
28 |
| 150 |
165,168.3 |
305 |
260 |
12-22 |
28 |
| 200 |
219.1 |
368 |
324 |
12-22 |
32 |
| 250 |
273 |
432 |
381 |
12-25 |
35 |
| 300 |
323.8 |
489 |
438 |
16-25 |
40 |
| 350 |
- |
552 |
495 |
16-28 |
45 |
| 400 |
- |
610 |
552 |
20-28 |
54 |
| 450 |
- |
673 |
610 |
20-32 |
60 |
| 500 |
- |
737 |
673 |
24-32 |
66 |
| 600 |
- |
851 |
781 |
24-34 |
76 |
|
|
| Note : |
|
| Table ‘H’ for steam working above 150 lbs & upto 250 lbs. |
|
