ISO Bored Blank Flange
| Part No. | Flange Ref. | Material | A | B | C | D | E |
| CO-BL-I-63-B63 | ISO63 | 304 S.S. | 70 | 63.7 | 95 | 90 | 12 |
| CO-BL-I-80-B76 | ISO80 | 304 S.S. | 83 | 76.4 | 110 | 105 | 12 |
| CO-BL-I-100-B102 | ISO100 | 304 S.S. | 102 | 101.8 | 130 | 125 | 12 |
| CO-BL-I-160-B153 | ISO160 | 304 S.S. | 153 | 152.9 | 180 | 175 | 12 |
| CO-BL-I-200-B204 | ISO200 | 304 S.S. | 213 | 203.7 | 240 | 235 | 12 |
| CO-BL-I-250-B255 | ISO250 | 304 S.S. | 261 | 254.5 | 290 | 280 | 12 |
| CO-BL-I-320-B305 | ISO320 | 304 S.S. | 318 | 305.3 | 370 | 365 | 17 |
| CO-BL-I-400-B407 | ISO400 | 304 S.S. | 400 | 406.9 | 450 | 445 | 17 |
| CO-BL-I-500-B509 | ISO500 | 304 S.S. | 501 | 508.8 | 550 | 545 | 17 |