Backing Ring PN21 AS4087
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 | BR063408721 | BR063408721SS | 127 | 165 | 78 | 15 | 18 | 4 | M16 |
| 75 | BR075408721 | BR075408721SS | 146 | 185 | 92 | 15 | 18 | 8 | M16 |
| 90 | BR090408721 | BR090408721SS | 165 | 205 | 108 | 15 | 18 | 8 | M16 |
| 110 | BR110408721 | BR110408721SS | 191 | 230 | 128 | 19 | 18 | 8 | M16 |
| 160 | BR160408721 | BR160408721SS | 260 | 305 | 178 | 24 | 22 | 12 | M20 |
| 200 | BR200408721 | BR200408721SS | 324 | 370 | 235 | 24 | 22 | 12 | M20 |
| 250 | BR250408721 | BR250408721SS | 381 | 430 | 290 | 30 | 26 | 12 | M24 |
| 315 | BR315408721 | BR315408721SS | 438 | 490 | 345 | 30 | 26 | 16 | M24 |
| 355 | BR355408721 | BR355408721SS | 495 | 550 | 376 | 30 | 30 | 16 | M27 |
| 400 | BR400408721 | BR400408721SS | 552 | 610 | 430 | 38 | 30 | 20 | M27 |
| 450 | BR450408721 | BR450408721SS | 610 | 675 | 480 | 38 | 33 | 20 | M30 |
| 500 | BR500408721 | BR500408721SS | 673 | 735 | 533 | 48 | 33 | 24 | M30 |
| 560 | BR560408721 | BR560408721SS | 673 | 735 | 590 | 48 | 33 | 24 | M30 |
| 630 | BR630408721 | BR630408721SS | 781 | 850 | 660 | 58 | 36 | 24 | M33 |
| 710 | BR710408721 | BR710408721SS | 857 | 935 | 745 | 58 | 36 | 24 | M33 |
| 800 | BR800408721 | BR800408721SS | 984 | 1060 | 835 | 68 | 36 | 28 | M33 |
| 900 | BR900408721 | BR900408721SS | 1105 | 1185 | 950 | 68 | 39 | 32 | M36 |
| 1000 | BR1000408721 | BR1000408721SS | 1194 | 1275 | 1030 | 78 | 39 | 36 | M36 |
| 1200 | BR1200408721 | BR1200408721SS | 1441 | 1530 | 1235 | 88 | 42 | 40 | M39 |