ISO Bolted Flange
| Part No. | Flange Ref. | Material | A | B | C | D | E | F(*No.) |
| CO-BF-I-63 | ISO63 | 304 S.S. | 130 | 110 | 12 | 63.7 | 70 | 9*4 |
| CO-BF-I-80 | ISO80 | 304 S.S. | 145 | 125 | 12 | 76.4 | 83 | 9*8 |
| CO-BF-I-100 | ISO100 | 304 S.S. | 165 | 145 | 12 | 101.8 | 102 | 9*8 |
| CO-BF-I-160 | ISO160 | 304 S.S. | 225 | 200 | 16 | 152.9 | 153 | 11*8 |
| CO-BF-I-200 | ISO200 | 304 S.S. | 285 | 260 | 16 | 203.7 | 213 | 11*12 |
| CO-BF-I-250 | ISO250 | 304 S.S. | 335 | 310 | 16 | 254.5 | 261 | 11*12 |
| CO-BF-I-320 | ISO320 | 304 S.S. | 425 | 395 | 20 | 305.3 | 318 | 14*12 |
| CO-BF-I-400 | ISO400 | 304 S.S. | 510 | 480 | 20 | 406.9 | 400 | 14*16 |
| CO-BF-I-500 | ISO500 | 304 S.S. | 610 | 580 | 20 | 508.8 | 501 | 14*16 |