The AVK Supa-Gib Step coupling is designed to join pipes of varying size. This allows for ease of instillation when replacing the old pipe with new. The coupling can be used to join different types of pipes including cast Iron, Ductile Iron, Steel, PVC-U, PVC-M, PVC-O, AC and Copper pipes. The Coupling is full stainless steel construction.
| HydroMet Code | Nominal Size DN/DN (mm) | Pressure Rating (PN) | Size Range Small End (mm) | Size Range Large End (mm) | Coupling Pipe Gap (mm) | Allowed Angular Deflection o | Number of Bolts |
|---|---|---|---|---|---|---|---|
| 300-350 | 16 | 342-366 | 360-384 | 15-80 | 5 | 8 | |
| 300-350 | 16 | 342-366 | 370-394 | 15-80 | 5 | 8 | |
| 350-375 | 16 | 370-394 | 396-420 | 15-80 | 5 | 8 | |
| 375-375 | 16 | 380-404 | 410-434 | 15-80 | 5 | 8 | |
| 375-375 | 16 | 396-420 | 426-450 | 15-80 | 5 | 8 | |
| 375-375 | 16 | 410-434 | 436-460 | 15-80 | 5 | 10 | |
| 375-400 | 16 | 422-446 | 450-476 | 15-80 | 5 | 10 | |
| 450-450 | 16 | 466-490 | 488-512 | 15-80 | 4 | 10 | |
| 450-500 | 16 | 498-522 | 510-534 | 15-80 | 4 | 12 | |
| 450-500 | 16 | 498-522 | 522-546 | 15-80 | 5 | 12 | |
| 500-500 | 16 | 510-534 | 542-566 | 15-80 | 5 | 12 | |
| 500-500 | 16 | 530-554 | 552-576 | 15-80 | 5 | 12 | |
| 500-525 | 16 | 552-576 | 574-598 | 15-80 | 4 | 12 | |
| 500-525 | 16 | 552-576 | 580-604 | 15-80 | 4 | 12 | |
| 525-525 | 16 | 574-598 | 598-620 | 15-80 | 4 | 14 | |
| 525-600 | 16 | 596-620 | 620-644 | 15-80 | 4 | 14 | |
| 600-600 | 16 | 620-644 | 648-672 | 15-80 | 3 | 14 | |
| 600-600 | 16 | 660-684 | 690-714 | 15-80 | 3 | 14 | |
| 700-700 | 16 | 714-738 | 741-765 | 15-80 | 3 | 16 | |
| 750-750 | 16 | 790-814 | 810-834 | 15-80 | 3 | 16 | |
| 750-800 | 16 | 820-844 | 850-874 | 15-80 | 3 | 18 | |
| 900-900 | 16 | 920-944 | 945-969 | 15-80 | 3 | 18 |