Gaskets for use with BS10 Flanges
BS10 Table J
Nominal Bore
(inches) |
I.B.C. Gasket |
Full Face gasket |
| OD x ID (mm) |
OD x ID (mm) |
Number of
Bolt Holes |
Hole Diameter
(mm) |
Bolt P.C.D.
(mm) |
| 1/2 |
65 x 21 |
114 x 21 |
4 |
18 |
83 |
| 3/4 |
65 x 27 |
114 x 27 |
4 |
18 |
83 |
| 1 |
70 x 34 |
121 x 34 |
4 |
18 |
87 |
| 1 1/4 |
81 x 43 |
133 x 43 |
4 |
18 |
98 |
| 1 1/2 |
87 x 48 |
140 x 48 |
4 |
18 |
105 |
| 2 |
110 x 60 |
165 x 60 |
4 |
22 |
127 |
| 2 1/2 |
129 x 76 |
184 x 76 |
8 |
22 |
146 |
| 3 |
148 x 89 |
203 x 89 |
8 |
22 |
165 |
| 3 1/2 |
160 x 102 |
216 x 102 |
8 |
22 |
178 |
| 4 |
173 x 114 |
229 x 114 |
8 |
22 |
191 |
| 5 |
213 x 140 |
279 x 140 |
8 |
25 |
235 |
| 6 |
238 x 168 |
305 x 168 |
12 |
25 |
260 |
| 7 |
270 x 194 |
337 x 194 |
12 |
25 |
292 |
| 8 |
302 x 219 |
368 x 219 |
12 |
25 |
324 |
| 9 |
330 x 244 |
406 x 244 |
12 |
29 |
356 |
| 10 |
356 x 273 |
432 x 273 |
12 |
29 |
381 |
| 12 |
413 x 324 |
489 x 324 |
16 |
29 |
438 |
| 13 |
441 x 356 |
527 x 356 |
16 |
32 |
470 |
| 14 |
467 x 381 |
552 x 381 |
16 |
32 |
495 |
| 15 |
492 x 406 |
578 x 406 |
16 |
32 |
521 |
| 16 |
524 x 432 |
610 x 432 |
20 |
32 |
552 |
| 17 |
556 x 457 |
641 x 457 |
20 |
32 |
584 |
| 18 |
578 x 483 |
673 x 483 |
20 |
35 |
610 |
| 19 |
610 x 508 |
705 x 508 |
20 |
35 |
641 |
| 20 |
641 x 533 |
737 x 533 |
24 |
35 |
673 |
| 21 |
667 x 559 |
762 x 559 |
24 |
35 |
699 |
| 22 |
692 x 584 |
787 x 584 |
24 |
35 |
724 |
| 23 |
721 x 610 |
826 x 610 |
24 |
38 |
756 |
| 24 |
746 x 635 |
851 x 635 |
24 |
38 |
781 |