HUNAN DAWNING FILTER SYSTEM TECHNOLOGY CO.,LTD
HUNAN DAWNING FILTER SYSTEM TECHNOLOGY CO.,LTD
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Auto Backwash Water Filter Discs / Water Softener Stainless Steel Filter
Water Filter Discs Advantages
1. Fully automatically continuous on-line self cleaning;low water consumption;Compact design;Low pressure loss.
2. Optimizes the performance and minimizes the frequency of maintenance.
3. Maximum saving of water with efficiency in backwashing.
4. Disc filter system is per-assembled and easy to operate.
5. Modular configuration allows design according to customer preference or space availability.
6. Different anticorrosion material will be used according to environmental condition.
Water Filter Discs Parameters
| Items | Materials |
| Disc filter modules | Nylon |
| Pipeline | Carbon steel/HDPE /Stainless steel |
| Pressure gage | Stainless steel |
| Auto backwash valve | Nylon/stainless steel |
| Electromagnetic valve | Brass/nylon |
| Air valve | Plastic |
| Controller cover | Plastic/Stainless steel |
Design and selection of models
1. Water quality classification
A.: Water of good quality: city tap water, well water from stable aquifer.
B.: Water of general quality: cooled circulating water, surface water treated by sedimentation, and drained water treated by effective deposition and completely biological treatment.
C.: Water of relatively poor quality: groundwater from aquifer of poor quality, drained water treated by effective deposition but with poor biological treatment, and surface water with enormous microbes.
D. The worst quality: well water with rich iron and manganese elements, surface water affected by flooding and without sedimentation, and drained water without precipitation and biological treatment.
Different water qualities have different influences on the filter's operation period, so in general it is better to keep the system's backwash intervals no less than 1 hour.
| Raw water quality | Good water quality | General water quality | Poor water quality | The worst quality | ||||||||
| Filtration range | 200μm | 100μm | 50μm | 200μm | 100μm | 50μm | 200μm | 100μm | 50μm | 200μm | 100μm | 50μm |
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| Models | Flow(m3/h) | Flow(m3/h) | Flow(m3/h) | Flow(m3/h) | ||||||||
| DLLF-2-2 | ≤38 | ≤30 | ≤22 | ≤29 | ≤22 | ≤18 | ≤21 | ≤15 | ≤13 | ≤13 | ≤10 | ≤8 |
| DLLF-2-3 | 57 | 45 | 33 | 43 | 33 | 26 | 31 | 22 | 18 | 18 | 14 | 10 |
| DLLF-2-4 | 76 | 60 | 44 | 57 | 44 | 35 | 41 | 30 | 24 | 25 | 19 | 14 |
| DLLF-2-5 | 95 | 75 | 55 | 72 | 55 | 44 | 51 | 37 | 30 | 31 | 23 | 17 |
1. Our company provides maintenance for 1 year after delivery.
2. Alfter the goods are delivered, our company will track the products.
3. In addition to the after-sales service during the warranty period, the company is also
responsible for equipment maintenance after the warranty period.