NW Bored Blank Flange
| Parts No. | Flange Ref. | Material | A | B | C | D |
| CO-BL-N-10-B12 | KF10 | 304 S.S. | 12.9 | 12.2 | 30 | 5 |
| CO-BL-N-16-B19 | KF16 | 304 S.S. | 19.3 | 17.2 | 30 | 5 |
| CO-BL-N-25-B25 | KF25 | 304 S.S. | 25.7 | 26.2 | 40 | 5 |
| CO-BL-N-40-B38 | KF40 | 304 S.S. | 38.4 | 41.2 | 55 | 5 |
| CO-BL-N-50-B51 | KF50 | 304 S.S. | 51 | 52.2 | 75 | 5 |