Backing Ring Table F
for bolt on to PE stub flange
| Pipe OD | Part Number (Galvanised) | Part Number (SS316) | K | D | A | T | S | No. of Bolt Holes | Bolt Size |
|---|---|---|---|---|---|---|---|---|---|
| 63 | BRF063 | BRF063SS | 127 | 165 | 78 | 16 | 18 | 4 | M16 |
| 75 | BRF075 | BRF075SS | 146 | 185 | 92 | 16 | 18 | 8 | M16 |
| 90 | BRF090 | BRF090SS | 165 | 205 | 108 | 16 | 18 | 8 | M16 |
| 110 | BRF110 | BRF110SS | 191 | 230 | 128 | 22 | 18 | 8 | M16 |
| 160 | BRF160 | BRF160SS | 260 | 305 | 178 | 22 | 22 | 12 | M20 |
| 200 | BRF200 | BRF200SS | 324 | 370 | 235 | 25 | 22 | 12 | M20 |
| 250 | BRF250 | BRF250SS | 381 | 430 | 290 | 29 | 26 | 12 | M24 |
| 315 | BRF315 | BRF315SS | 438 | 490 | 345 | 32 | 26 | 16 | M24 |
| 355 | BRF355 | BRF355SS | 495 | 550 | 376 | 35 | 30 | 16 | M27 |
| 400 | BRF400 | BRF400SS | 552 | 610 | 430 | 41 | 30 | 20 | M27 |
| 450 | BRF450 | BRF450SS | 610 | 675 | 480 | 44 | 33 | 20 | M30 |
| 500 | BRF500 | BRF500SS | 673 | 735 | 533 | 51 | 33 | 24 | M30 |
| 560 | BRF560 | BRF560SS | 724 | 785 | 590 | 54 | 33 | 24 | M30 |
| 630 | BRF630 | BRF630SS | 781 | 850 | 660 | 57 | 36 | 24 | M33 |
| 710 | BRF710 | BRF710SS | 857 | 935 | 745 | 60 | 36 | 24 | M33 |
| 800 | BRF800 | BRF800SS | 984 | 1060 | 835 | 68 | 36 | 28 | M33 |
| 900 | BRF900 | BRF900SS | 1105 | 1185 | 950 | 76 | 39 | 32 | M36 |