Alkaline filter AL 20-35 for increasing water pH
Code: 6087/AL 6087/AL2 6087/AL3 Choose variantProduct detailed description
Manual Alkaline Filters AL 20, 25, and 35 for pH adjustment and water mineralization are designed to ensure high water quality in households and industry. These systems effectively reduce the acidity of water, which is essential for protecting equipment and improving the quality and taste of drinking water. Mineralization filters simultaneously enrich water with essential minerals such as calcium and magnesium, thereby enhancing its taste and health benefits.
Acidic water with a pH lower than 7 poses a corrosion risk. Filters that increase pH neutralize this acidity, thus eliminating metallic taste and protecting metal pipes and joints from corrosion. Additionally, they contribute to reducing the content of dissolved iron and manganese in the water.
These filters are an effective solution for pre-treatment of acidic water before processing it with iron removal units or multifunction filters. By increasing pH, decreasing CO2 concentration, and enriching water with calcium and magnesium, they are ideal as pre-filters for very acidic or weakly mineralized water, which improves the effectiveness of subsequent treatment.
The filtering medium is semi-fired dolomitic calcium carbonate (Semidol K-2) manufactured in Germany. It is used to increase pH (deacidification) and to enrich water with calcium (Ca) and magnesium (Mg), thus ensuring its mineralization. Due to the alkaline reaction of MgO, it also results in iron and manganese removal from the water.
Semidol K-2 is approved for drinking water treatment. When using Semidol on untreated water, regular washing of the filter is important to prevent dirt accumulation and clogging. Semidol reduces the amount of aggressive carbon dioxide (CO2) in the water and partially neutralizes it. For optimal results, continuous operation is recommended, as intermittent operation may lead to a sharp increase in pH.
Technical parameters:
Flow-through inline head: connection 3/4“
Pressure vessel: Pentair Structural, fiberglass
Body of the head: PVC
Filtering medium: Semidol K-2
Working pressure: 1.2 - 8.0 bar
Hydrostatic test pressure: 10 bar
Working temperatures: 2 - 40°C
Ambient temperature: 2 - 52 °C
Warranty: 2 years
| Type | AL 20 | AL 25 | AL 35 |
| Weight | 23 kg | 28 kg | 38 kg |
| Nominal flow (for mineralization) | 0.4 m³/h | 0.5 m³/h | 0.6 m³/h |
| Maximum flow (for pH correction) | 0.6 m³/h | 0.8 m³/h | 1 m³/h |
| Connection input/output | Plastic 3/4“, internal thread | Plastic 3/4“, internal thread | Plastic 3/4“, internal thread |
| Amount of filling | 20 kg | 25 kg | 35 kg |
| Filtration surface | 0.034 m2 | 0.042 m2 | 0.052 m2 |
| Working temperatures | 2-40°C | 2-40°C | 2-40°C |
| Working pressure | 1.2 - 8.5 bar | 1.2 - 8.5 bar | 1.2 - 8.5 bar |
| Type of filling | Semidol K-2 | Semidol K-2 | Semidol K-2 |
| Type of control unit | PVC flow-through inline head | PVC flow-through inline head | PVC flow-through inline head |
| Pressure vessel | 8x30" | 9x35" | 10x44" |
| Diameter of the pressure vessel | 207 mm | 231 mm | 258 mm |
| Total height | 830 mm | 950 mm | 1180 mm |
Additional parameters
| Category: | Well water filters |
|---|---|
| According to use: | For increasing the pH of water (deacidification) |
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