3″ AHD – Automatic Twin short
General data
maximum working pressure: 10 Bar (145 psi)
Minimum backwash pressure: 2.0 Bar (29 psi)
Maximum working temperature: 60ºC (140ºF)
pH Range: 3 – 12
Row materials
Manifolds: HDPE
Filter housing and seals: Polyamide, NBR
Filter discs: Polypropylene
Technical specification
| Number of filter units | 4 x AHD | 5 x AHD | 6 x AHD | 7 x AHD | 8 x AHD | 9 x AHD | 10 x AHD |
| Maximum operating pressure | 10 bar(145 psi) | ||||||
| Recommended backwash pressure | >2.5 bar (36 psi) | ||||||
| Filtration Area |
7840cm² (1215in²) |
9800cm² (1519in²) | 11760cm² (1823in²) | 13720cm² (2127in²) | 15680cm² (2430in²) | 17540cm² (2734in²) | 19600cm² (3038in²) |
| Inlet/Outlet manifolds (ISO-16 or ANSI-150) | 160mm
(6″) |
160mm or 225mm
(6″ or 8″) |
225mm
(8″) |
225mm
(8″) |
225mm
(8″) |
225mm
(8″) |
315mm
(10″) |
| Drain manifold (Universal Flange) | 110mm
(4″) |
||||||
| Backwash flow rate | >15m³/h (66GPM) | ||||||
| Reccomended flow rate @130micron | 120m³/h (528GPM) | 150m³/h (660GPM) | 180m³/h (793GPM) | 210m³/h (925GPM) | 240m³/h (1057GPM) | 270m³/h (1189GPM) | 300m³/h (1321GPM) |
| Backwash volume per cycle (Flushing time per filter unit = 20sec) | 333liters (88Gallons) | 417liters (110Gallons) | 500liters (132Gallons) | 583liters (154Gallons) | 666liters (176Gallons) | 750liters (198Galons) | 833liters (220Gallons) |
Note: The reccomended flow rate is the Net flow rate after decreasing the backwash flow rate
| System model | A | B | C | D | E | F | Gross Weight | Package Volume |
| 4 x Twins | 1300mm | 1404mm | 976mm | 1250mm | 571mm | 290mm | ||
| 5 x Twins | 1575mm | 1404mm | 976mm | 1250mm | 571mm | 290mm | ||
| 6 x Twins | 1850mm | 1404mm | 976mm | 1250mm | 571mm | 290mm | ||
| 7 x Twins | 2125mm | 1404mm | 976mm | 1250mm | 571mm | 290mm | ||
| 8 x Twins | 2400mm | 1404mm | 976mm | 1250mm | 571mm | 290mm | ||
| 9 x Twins | 2675mm | 1404mm | 976mm | 1250mm | 571mm | 290mm | ||
| 10 x Twins | 2950mm | 1404mm | 976mm | 1250mm | 571mm | 290mm |