SOFIMA filter, German SOFIMA model, SOFIMA price

SOFIMA filters use high-strength wedge-shaped screens to automatically clean the filter element via differential pressure control and timed control. When impurities accumulate on the filter element surface inside the filter, causing the inlet-outlet differential pressure to increase to the set value, or when the timer reaches the preset time, the electric control box sends a signal to drive the backwash mechanism. When the backwash suction cup opening is directly opposite the filter element inlet, the drain valve opens. At this point, the system depressurizes and drains, creating a negative pressure zone between the suction cup and the inner side of the filter element where the relative pressure is lower than the water pressure on the outer side of the filter element. This forces part of the clean circulating water to flow from the outside of the filter element to the inside; impurity particles adsorbed on the inner wall of the filter element flow with the water into the suction cup and are discharged through the drain valve. The specially designed screen creates a jetting effect inside the filter element, flushing any impurities away from the smooth inner wall. When the inlet-outlet differential pressure of the filter returns to normal or the timer setting ends, the material flow remains uninterrupted throughout the process. Backwashing consumes little water, achieving continuous, automated production.

SOFIMA filters are widely used

Widely used in metallurgy, chemical industry, petroleum, papermaking, pharmaceuticals, food, mining, electric power, and municipal water supply fields. Mainly applied in the oil filtration industry, including suction filters, return line filters, and pipeline filters. Food-grade filters: dust filters, air filters, air conditioning filters. Pharmaceutical filters: liquid medication filters, breathing filters, blood filters, bacterial filters. Applications include industrial wastewater and circulating water filtration, emulsion regeneration, waste oil filtration treatment, continuous casting water systems and blast furnace water systems in the metallurgical industry, and high-pressure water descaling systems for hot rolling. It is an advanced, efficient, and easy-to-operate fully automatic filtration device. The filter consists of a housing, stainless steel screen, drainage section, transmission device, and electrical control components.

SOFIMA filter features

Uses 304 and 316L stainless steel wedge-shaped screens, offering high strength, high precision, and corrosion resistance, with a maximum filtration precision of up to 30 microns. The water filter achieves automatic backwashing through its own sensing and response functions, handling unstable water quality fluctuations without manual intervention. The water filter operates precisely, allowing flexible adjustment of backwash differential pressure time and time settings based on different water sources and filtration precisions. During the backwashing process of the water filter, each (group) of screens undergoes backwashing sequentially; this ensures safe and efficient cleaning of the screens while other screens remain unaffected and continue filtering. The water filter uses a pneumatic drain valve, resulting in short backwash duration and low water consumption, making it environmentally friendly and economical. The water filter has a compact and reasonable structural design, small footprint, and is flexible and convenient to install and move.

SOFIMA filter applications

The equipment has a compact structure and reasonable size; installation and operation are convenient and quick; High filtration precision, large processing capacity, low cost, and high efficiency; maintenance-free; wide range of applications, generally suitable for coarse, medium, or fine filtration; complete specifications to meet different filtration requirements. Water filters are mainly applied in circulating water systems for power plants, factory high and low-pressure boilers, air conditioners, and cold storage. High-purity water for microelectronics production, high-purity water for semiconductors and picture tubes, water for integrated circuits such as computer circuit boards, and water for solar cells and dry batteries. It can filter out particles and bacteria larger than 0.6um in liquids and gases. It offers advantages such as high filtration precision, fast filtration speed, low adsorption, no media shedding, resistance to acid and alkali corrosion, and convenient operation. It is now widely used as essential equipment in industries such as pharmaceuticals, chemicals, electronics, beverages, fruit wine, biochemical water treatment, and environmental protection.

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