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What is the working principle of Air Filter ?

MERV (Minimum Efficiency Reporting Value) is a standard used to evaluate the efficiency of air filters, measuring their ability to capture particles in the air. The MERV scale ranges from 1 to 16, with higher numbers indicating higher efficiency. MERV 1-4 is suitable for residential and low-demand commercial environments, primarily capturing large particles like dust; MERV 5-8 is used in ordinary homes and offices, removing medium-sized particles like pollen; MERV 9-12 is appropriate for hospitals, laboratories, and other high-demand environments, capturing bacteria, mold, etc.; MERV 13-16 is for clean rooms and high-standard laboratories, removing almost all small particles, including viruses. When selecting the appropriate MERV rating, it's important to balance filtration efficiency and airflow to avoid overburdening the system.

Ventilation Air Filters, or ventilation air filters, are important equipment for ensuring indoor air quality and circulation. Their main function is to filter dust, particulate matter and other harmful substances in the air to ensure that the air remains clean during ventilation.

PES cartridges are made from Polyethersulfone, ensuring consistent pore distribution that provides optimal bacteria retention. The polyester support on both the upstream and downstream sides ensures the filter’s resilience to pressure shocks. With its hydrophilic nature, the Polyethersulfone membrane allows for easy integrity testing, making it ideal for routine monitoring. It is chemically compatible with a wide range of substances and is free from surfactants, making it suitable for the most demanding filtration applications. These cartridges are widely used for sterile filtration in the production of Active Pharmaceutical Ingredients.

High-efficiency filters are essential industrial purification devices that effectively capture particles ranging from 0.1 to 0.5 microns, enhancing environmental safety. Their filtration principles include interception, inertia, electrostatic attraction, and diffusion, ensuring extremely high efficiency. Common high-efficiency filters use aluminum alloy frames and ultra-fine glass fiber paper as filtering materials, offering corrosion and heat resistance. HEPA filters are widely used in industries such as pharmaceuticals, food processing, and electronics, with a maximum filtration efficiency of 99.999%, playing a critical role in environmental protection and production safety.

In the realm of industrial filtration, Porous 316L stainless steel disc filters emerge as a reliable and versatile solution for a myriad of applications. Leveraging the exceptional properties of 316L stainless steel, these filters offer unparalleled durability, corrosion resistance, and efficiency. This article delves into the intricacies of Porous 316L stainless steel disc filters.