OKAB - Profile backing ring PP
Profiled backing ring PP with cast iron core for stub flange according to ANSI B16.5 class 150.
| Reference | K |
|---|---|
| OKAB200 | 121 |
| OKAB300 | 153 |
| OKAB400 | 191 |
| OKAB600 | 242 |
| OKAB800 | 299 |
| OKAB810 | 362 |
| OKAB812 | 432 |
*resale products
**PMA: maximum allowable pressure
***n: number of bolts