Medium Filters
Medium Filters

Medium filters is classified M5, M6 and F7 under ISO1680 for ePM10 and ePM2.5. It is widely used in air purifier, hospital, automobile industry, pharma industry, etc. for protecting HEPA filters. The popular types are V-bank filters, pocket filters, mini-pleated filters, panel filters, cartridge air filters and separator filters.

Type: Panel, Pleated and Pocket.

Filter frame:Paper, ABS, Galvanized sheet, extruded aluminium, stainless steel

Media: Chemical fiber, fibreglass, synthetic, Polypropylene fiber 

Filter class: F5-F9

Initial pressure drop: 50-80Pa

Customized products prefered 

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Medium filters, also known as intermediate filters, are used in HVAC (Heating, Ventilation, and Air Conditioning) systems to provide a balance between coarse filtration and fine filtration. These filters capture particles of intermediate sizes, typically ranging from 1 to 10 microns. Here's how medium filters are used in HVAC systems:

1. **Improved Indoor Air Quality:** Medium filters are more efficient at capturing smaller particles compared to coarse filters. They can trap a wide range of particulate matter, including dust, pollen, pet dander, and some mold spores. This leads to improved indoor air quality by reducing the presence of allergens and airborne contaminants.

2. **Enhanced Equipment Protection:** Medium filters are often positioned after coarse filters and serve as an additional layer of protection for HVAC equipment. They help prevent smaller particles from reaching and potentially damaging sensitive components like coils, fans, and heat exchangers.

3. **Extended Fine Filter Life:** Medium filters play a crucial role in extending the life of fine filters or HEPA filters installed downstream. By capturing a significant portion of the airborne particles, they reduce the workload of fine filters, prolonging their lifespan and reducing maintenance costs.

4. **Balanced Airflow:** Medium filters help maintain a balanced airflow in the HVAC system, which is essential for achieving efficient heating, cooling, and ventilation. Properly sized and maintained medium filters ensure that the system can deliver conditioned air effectively throughout the building.

5. **Energy Efficiency:** Improved indoor air quality resulting from the use of medium filters can indirectly contribute to energy efficiency. When the HVAC system operates efficiently and maintains consistent airflow, it uses less energy to maintain desired temperature and ventilation levels.

6. **Customization:** The choice of medium filter type and efficiency level can be tailored to the specific needs of the indoor environment. Different HVAC systems and applications may require different levels of medium filtration to meet air quality standards and occupant comfort.

7. **Reduced Airborne Contaminants:** Medium filters are effective at reducing the concentration of airborne contaminants in the indoor environment, which is especially important for sensitive environments like hospitals, laboratories, and clean rooms.

It's worth noting that while medium filters provide improved filtration compared to coarse filters, they are not as effective as high-efficiency filters like HEPA filters in capturing very fine particles, such as viruses and bacteria. For applications requiring the highest level of air quality and contaminant removal, additional filtration technologies or air purification methods may be necessary in conjunction with medium filters.

Regular maintenance, including monitoring and changing medium filters on a recommended schedule, is essential to ensure their continued effectiveness in an HVAC system.