The Viking Johnson MaxiStep reducing coupling is designed to join pipes or varying size. This allows for ease of installation when replacing the old pipe with new. The coupling can be used to join different types of pipes including steel, ductile iron, uPVC, cast iron, GRP, asbestos cement, and PE pipes for repair purposes.
| Hydromet Code | Nominal Size DN (mm) | Size Range Min (Small End) | Size Range Max (Small End) | Sizer Range Min (Large End) | Size Range Max (Large End) | Overall Length (mm) | Bolts (Number – Diameter x Length) | Aprrox. Weight (kg) |
|---|---|---|---|---|---|---|---|---|
| 50/65 | 57 | 74 | 63 | 85 | 210 | 4-M12 x 200 | 3.5 | |
| 50/80 | 57 | 74 | 85 | 107 | 210 | 4-M12 x 200 | 3.9 | |
| 65/80 | 63 | 85 | 85 | 107 | 210 | 4-M12 x 200 | 4.2 | |
| 80/100 | 85 | 107 | 107 | 132 | 210 | 4-M12 x 200 | 4.8 | |
| 100/125 | 107 | 132 | 132 | 158 | 220 | 4-M12 x 210 | 6.2 | |
| 125/150 | 132 | 158 | 158 | 184 | 220 | 4-M12 x 210 | 7.2 | |
| 150/175 | 158 | 184 | 189 | 212 | 230 | 4-M12 x 220 | 8.8 | |
| 175/200 | 189 | 212 | 218 | 244 | 230 | 4-M12 x 220 | 10.4 | |
| 200/225 | 218 | 244 | 243 | 269 | 230 | 6-M12 x 220 | 12.2 | |
| 225/250 | 243 | 269 | 266 | 295 | 230 | 6-M12 x 220 | 13.7 |