OAT - Wedge profile backing ring
Wedge profile backing ring, with metal core and a PP-GR coating. According to ANSI B16.5 cl.150 for stub QBM and QBAM.
| Reference | DN | b | d6 | D | n | g |
|---|---|---|---|---|---|---|
| OAT012 | 15 | 13 | 28 | 97 | 4 | 209 |
| OAT810 | 250 | 30 | 288 | 414 | 12 | 6800 |
| OAT800 | 200 | 28 | 236 | 342 | 8 | 4200 |
| ODT160 | 150 | 25 | 178 | 284 | 8 | 3120 |
| OAT400 | 100 | 20 | 133 | 232 | 8 | 1570 |
| OAT300 | 80 | 20 | 111 | 198 | 4 | 1175 |
| OAT212 | 65 | 19 | 92 | 186 | 4 | 1155 |
| OAT200 | 50 | 19 | 78 | 163 | 4 | 918 |
| OAT112 | 40 | 19 | 62 | 149 | 4 | 804 |
| OAT114 | 32 | 18 | 51 | 139 | 4 | 702 |
| OAT100 | 25 | 17 | 42 | 117 | 4 | 433 |
| OAT034 | 20 | 15 | 34 | 109 | 4 | 316 |
| OAT812 | 300 | 32 | 338 | 490 | 12 | 11060 |
* MPA: maximum admissible working pressure
**nominal tightening torque