Flexible Coupling
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:
· Epoxy coating min. 250 microns
· Working pressure PN10, PN16
· WRAS is available according to request
■ Main Parts and Materials:
· Ductile iron gland & center sleeve with FBE coated
Steel center sleeve is available according to request
· Galvanized carbon steel bolts & nuts
Dacromet is available according to request
■ Gasket
· EPDM Gasket
■ Dimensions (mm):
| Size | Range (mm) | Boltings x No. | ||
| Inch | DN | Min | Max | |
| 1 1/2″ | DN40 | 48 | 58 | M12 x 2 |
| 2″ | DN50 | 59 | 73 | M12 x 4 |
| 2 1/2″ | DN65 | 72 | 85 | M12 x 4 |
| 3″ | DN80 | 88 | 103 | M12 x 4 |
| 4″ | DN100 | 109 | 128 | M12 x 4 |
| 5″ | DN125 | 132 | 154 | M12 x 4 |
| 6″ | DN150 | 159 | 182 | M12 x 4 |
| 7″ | DN175 | 192 | 210 | M12 x 4 |
| 8″ | DN200 | 218 | 235 | M12 x 4 |
| 10″ | DN250 | 266 | 291 | M12 x 6 |
| 12″ | DN300 | 315 | 332 | M12 x 6 |
| 14″ | DN350 | 374 | 391 | M12 x 8 |
| 16″ | DN400 | 417 | 437 | M12 x 8 |
| 18″ | DN450 | 480 | 500 | M12 x 10 |
| 20″ | DN500 | 526 | 546 | M12 x 12 |
| 24″ | DN600 | 630 | 650 | M12 x 12 |
