Reducing Coupling-FxC
| ASME B16.22 | EN1254-1 |
| CCS5/8×3/8 | CCS15x10 |
| CCS5/8×1/2 | CCS15x12 |
| CCS1 1/8×5/8 | CCS28x15 |
| CCS1 1/8×7/8 | CCS28x22 |
| CCS1 3/8×5/8 | CCS35x15 |
| CCS1 3/8×7/8 | CCS35x22 |
| CCS1 3/8×1 1/8 | CCS35x28 |
| CCS1 5/8×7/8 | CCS42x22 |
| CCS1 5/8×1 1/8 | CCS42x28 |
| CCS1 5/8×1 3/8 | CCS42x35 |
| CCS2 1/8×1 1/8 | CCS54x28 |
| CCS2 1/8×1 3/8 | CCS54x35 |
| CCS2 1/8×1 5/8 | CCS54x42 |
| CCS2 5/8×1 1/8 | CCS67x28 |
| CCS2 5/8×1 3/8 | CCS67x35 |
| CCS2 5/8×1 5/8 | CCS67x42 |
| CCS2 5/8×2 1/8 | CCS67x54 |
| CCS3 1/8×1 3/8 | CCS76x35 |
| CCS3 1/8×1 5/8 | CCS76x42 |
| CCS3 1/8×2 1/8 | CCS76x54 |
| CCS3 1/8×2 5/8 | CCS76x67 |
