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Viking Johnson MaxiStep Reducing Couplings are designed to provide transitions between pipes of different nominal bores simplifying installations when repairing old pipe with new.
| Vinidex Code - EPDM A1 Fasteners | Vinidex Code - EPDM A4 Fasteners | Nominal Size DN (mm) | Size Range Min (Small End) | Size Range Max (Small End) | Large End (mm) | Min | Diameter Ai Max | Diameter B (mm) | Overall Length L (mm) | Sleeve Length S (mm) | Setting Gap Min (mm) | Setting Gap Max (mm) | Bolts (Number - Diameter x Length) | Approx. Weight (kg) |
| 59965 | 59984 | 50/65 | 57 | 74 | 63 | 85 | 154.5 | 173.5 | 210 | 110.0 x 4.5 | 20 | 40 | 4-M12 x 200 | 3.5 |
| 59966 | 59985 | 50/80 | 57 | 74 | 85 | 107 | 154.5 | 195.5 | 210 | 110.0 x 4.5 | 20 | 40 | 4-M12 x 200 | 3.9 |
| 59967 | 59986 | 65/80 | 63 | 85 | 85 | 107 | 173.5 | 195.5 | 210 | 110.0 x 4.5 | 20 | 40 | 4-M12 x 200 | 4.2 |
| 59968 | 59987 | 80/100 | 85 | 107 | 107 | 132 | 195.5 | 224.5 | 210 | 110.0 x 4.5 | 20 | 40 | 4-M12 x 200 | 4.8 |
| 59969 | 59988 | 100/125 | 107 | 132 | 132 | 158 | 224.5 | 254.5 | 220 | 120.0 x 4.5 | 20 | 40 | 4-M12 x 210 | 6.2 |
| 59970 | 59989 | 125/150 | 132 | 158 | 158 | 184 | 254.5 | 280.5 | 220 | 120.0 x 5.0 | 20 | 40 | 4-M12 x 210 | 7.2 |
| 59971 | 59990 | 150/175 | 158 | 184 | 189 | 212 | 280.5 | 306.5 | 230 | 130.0 x 5.0 | 25 | 50 | 4-M12 x 220 | 8.8 |
| 59972 | 59991 | 175/200 | 189 | 212 | 218 | 244 | 306.5 | 342.5 | 230 | 130.0 x 5.0 | 25 | 50 | 4-M12 x 220 | 10.4 |
| 59973 | 59992 | 200/225 | 218 | 244 | 243 | 269 | 342.5 | 367.5 | 230 | 130.0 x 5.0 | 25 | 50 | 6-M12 x 220 | 12.2 |
| 59974 | 225/250 | 243 | 269 | 266 | 295 | 367.5 | 399.5 | 230 | 130.0 x 5.0 | 25 | 50 | 6-M12 x 220 | 13.7 |
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