Flexible Coupling-AVK
Ductile iron flexible coupling (also called universal couplings) is designed to accommodate flat-end tubes of different outer diameters. A coupling can connect steel, ductile iron, PVC, cast iron and asbestos cement pipes, etc.
Description
Features:
Ductile Iron GGG50 with FBE coated
PN10,PN16
Angular deflectiom +/- 6°
Main Parts and Materials:
| Item No | Parts name | Material | Specification |
| 1 | Center sleeve | Ductile iron | GGG50 |
| 2 | End ring | Ductile iron | GGG50 |
| 3 | Rubber seal | Rubber | EPDM |
| 4 | Bolt | Galvanized Steel | ISO898 |
| 5 | Washer | Galvanized Steel | |
| 6 | Nut | Galvanized Steel | ISO898 |
| 7 | Cap | Plastic |
Dimensions (mm):
| Size | Pipe OD(mm) | L | L1 | Bolt x No | Weight(kg) | |
| Inch | DN | |||||
| 2″ | DN50 | 58-74 | 100 | 190 | M12 x 4 | 2.5 |
| 2 1/2″ | DN65 | 68-84 | 100 | 190 | M12 x 4 | 2.9 |
| 3″ | DN80 | 84-105 | 100 | 190 | M12 x 4 | 4.7 |
| 4″ | DN100 | 99-118 | 100 | 190 | M12 x 4 | 5 |
| 4″ | DN100 | 109-133 | 100 | 190 | M12 x 4 | 5.3 |
| 5″ | DN125 | 133-157 | 100 | 190 | M12 x 4 | 6.4 |
| 6″ | DN150 | 157-182 | 115 | 210 | M12 x 4 | 8.7 |
| 6″ | DN150 | 177-201 | 115 | 210 | M12 x 4 | 9.1 |
| 7″ | DN200 | 194-215 | 115 | 210 | M12 x 4 | 9.2 |
| 8″ | DN200 | 218-242 | 160 | 230 | M12 x 4 | 13.1 |
| 9″ | DN225 | 242-268 | 160 | 230 | M12 x 6 | 16.5 |
| 10″ | DN250 | 266-291 | 160 | 250 | M12 x 6 | 16.9 |
| 12″ | DN250 | 280-305 | 160 | 250 | M12 x 6 | 18.4 |
| 12″ | DN300 | 302-327 | 160 | 250 | M12 x 6 | 19.9 |
| 12″ | DN300 | 324-350 | 160 | 260 | M14 x 6 | 22.7 |
| 14″ | DN350 | 351-378 | 160 | 260 | M14 x8 | 30.2 |
| 14″ | DN350 | 386-410 | 160 | 260 | M14 x 8 | 29 |
| 16″ | DN400 | 410-436 | 160 | 260 | M14 x8 | 29.6 |
| 16″ | DN400 | 436-462 | 160 | 260 | M14 x 8 | 38.4 |
