AVK Wang
- AVK High Pressure Coupling, DN100-DN450
- AVK Supa Maxi™ Flange Adaptor, PN16, DN50-DN600
- AVK Supa Maxi™ Step Coupling, PN16, DN50-DN300
- AVK Supa Maxi™ Straight Coupling, PN16, DN50-DN600
- AVK Supa Plus™ Coupling DN90-DN315
- AVK Supa Plus™ Flange Adaptor, PN16, DN90-DN315
- AVK Supa-GIB Coupling DN100 – DN600
- AVK Supa-GIB Coupling, Non-Tensile, DN300-DN1200
- AVK Supa-GIB End Cap, DN80-DN300
- AVK Supa-GIB Flange Adaptor, DN100-DN600
- AVK Supa-GIB Step Coupling, DN300-DN900
- AVK Supa-GIB Step Coupling, DN80-DN300
- AVK Supa® Step Coupling, Non-Tensile, DN40-DN400
AVK Supa-GIB Step Coupling, DN80-DN300

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 | Approx. Weight (kg) |
|---|---|---|---|---|---|---|---|---|
| 80-80 | 16 | 88-103 | 93-108 | 12-15 | 6 | 3 | 6.7 | |
| 80-100 | 16 | 88-103 | 101-133 | 12-15 | 6 | 3 | 8.1 | |
| 100-150 | 16 | 109-133 | 158-182 | 15-80 | 6 | 3 | 12 | |
| 125-150 | 16 | 123-147 | 158-182 | 15-80 | 6 | 3 | 12 | |
| 200-225 | 16 | 214-238 | 240-264 | 15-80 | 6 | 5 | 20 | |
| 225-250 | 16 | 240-264 | 272-296 | 15-80 | 6 | 5 | 22 | |
| 300-300 | 16 | 310-334 | 330-354 | 15-80 | 6 | 5 | 33 |
