CF Blank Flange
| Part No. | Flange Ref. | Material | A | B | C | D(*No.) |
| CO-BL-C-16 | CF16 | 304 S.S. | 33.8 | 26.9 | 7.5 | 4.4*6 |
| CO-BL-C-35 | CF35 | 304 S.S. | 69.5 | 58.7 | 12.7 | 6.7*6 |
| CO-BL-C-63 | CF63 | 304 S.S. | 113.6 | 92.1 | 18 | 8.4*8 |
| CO-BL-C-100 | CF100 | 304 S.S. | 151.6 | 130.3 | 20 | 8.4*16 |
| CO-BL-C-150 | CF150 | 304 S.S. | 202.5 | 181 | 22 | 8.4*20 |
| CO-BL-C-200 | CF200 | 304 S.S. | 253.2 | 231.8 | 24.7 | 8.4*24 |
| CO-BL-C-250 | CF250 | 304 S.S. | 336.5 | 306.5 | 28.5 | 10.3*30 |
| CO-BL-C-300 | CF300 | 304 S.S. | 355.6 | 325.7 | 28.5 | 10.3*30 |
| CO-BL-C-350 | CF350 | 304 S.S. | 419.1 | 388.9 | 28.5 | 10.3*36 |