Air Filter for Clean Room

This type of product is mainly used in places with high air quality requirements such as bio-medicine, bio-pharmaceuticals, semiconductor workshops and so on. Depending on the filter, the clean room can be divided into class 100, class 1,000, class 10,000, and class 100000, million-level clean room. The maintenance costs of different levels of clean rooms are also different. A clean room is a special environment with high requirements for air quality. It is usually used in production, laboratories, manufacturing and other fields where the content of particles or particulate matter in the air should be very low. To meet these high standards, clean rooms are usually equipped with high-efficiency air filtration systems, in which air filters play a key role. The filter is one of the core components in the clean room filtration system. It can efficiently capture particles as small as 0.3 microns, ensuring that the air quality in clean rooms meets standards.

Nantong Henka Environment Solutions Co.,Ltd.

Nantong Henka Environment Solutions Co., Ltd was founded in 2004. Henka is one of the famous and professional air filter manufacturers for air purifiers, air cleaners, and ventilation systems. Our air filters include HEPA, VOC removal filters, Formaldehyde removal filters, Activated Carbon filters, Odor removal filters, HVAC filters, i-Hepa ventilation purification devices, and IFD purification devices.
Henka is the customized air filter supplier for the famous brands of air purifiers and air cleaners in the North American market and China market. Henka provides not only air filters but also professional air purification solutions.
Henka is located in Haimen City, Jiangsu Province, which is only 120 kilometers away from Shanghai. Henka has ISO14001:2015, ISO9001:2015 and ISO45001:2018 certifications, efficiency and air resistance test system for filter media, noise test lab, 30 cubic meters test room for formaldehyde and VOC remove efficiency, CADR test room for air purifier. ASHRAE 52.2 is used in testing air filters.
With more than 20 years of experience working with a US engineering team, we can design the product based on the specifications, drawings, samples, or even ideas from our customers, and provide professional air filtration solutions to our customers.

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Air Filter for Clean Room Industry knowledge

How tight is the air filter for clean rooms?

The tightness of the air filter for clean rooms is one of the key factors in its performance because it directly affects the filtration efficiency and the environmental control of the clean room. Here are some features regarding air filter sealing for cleanroom applications:

1. Filter frame: Filters are usually installed in specially designed frames or housings that ensure a tight seal between the filter and the cleanroom wall or ceiling.

2. Gaskets: Use gaskets (such as rubber or silicone gaskets) between the filter frame and the clean room structure to prevent unfiltered air from bypassing the filter and entering the clean room.

3. Filter interface: The filter interface is designed to ensure tightness with the duct system or air handling unit (AHU) of the clean room to prevent air leakage.

4. Filter material: The filter material should have good sealing properties to prevent particles from leaking through the pores of the filter material.

5. Filter pleats: The pleat design inside the filter can increase the filtering area and help improve sealing because the contact between the pleats is closer.

6. Filter support grid: A support grid is used inside the filter to maintain the shape and structure of the filter material and prevent the filter from deforming under high pressure, thereby affecting the sealing.

7. Regular inspection and maintenance: In order to ensure the sealing of the filter, it is necessary to regularly check the integrity of the filter frame, sealing gasket and filter itself, and replace damaged parts in a timely manner.

8. Installation quality: A professional installation team should ensure that the filter is installed correctly and the sealing gasket is placed correctly to achieve the best sealing effect.

9. System design: The air filtration system design of the entire clean room should take into account sealing, including the location, number and air flow path of filters.

What is the structure of an air filter for clean rooms?

The structural design of an air filter for clean room is critical to its performance. Here are some common structural features:

1. Filter Frame: Filters are typically mounted in a sturdy metal or plastic frame to provide structural support and protect the filter material. Frames can be disposable or reusable.

2. Filter material: The filter material is the core part of the filter and is usually made of synthetic fibers such as polyester, polypropylene or fiberglass. These materials have high filtration efficiency and low resistance.

3. Pleated design: Filter materials are usually arranged in V-shaped, wavy or parallel pleats to increase the filtration area and improve filtration efficiency while reducing the volume and weight of the filter.

4. Support grid: There are usually support grids on both sides of the filter material to maintain the shape and structure of the filter and prevent deformation under high pressure.

5. Gasket: The edge of the filter frame is usually equipped with a gasket to ensure the seal between the filter and the clean room wall, ceiling or air handling unit.

6. Protective nets: Protective nets may be installed on the inlet and outlet sides of the filter material to prevent large particles from directly impacting the filter material and extend the service life of the filter.

7. Filter interface: Filters usually have standardized interfaces, such as flanges or slots, to facilitate installation and replacement.

8. Directional markings: There are usually directional markings on the filter to ensure correct installation and prevent reverse air flow.

9. Filter level: Depending on the filtration efficiency, filters may be divided into different levels, such as primary efficiency, medium efficiency, high efficiency particulate air (HEPA) and ultra high efficiency particulate air (ULPA).

10. Size: The size of the filter can be customized according to the size and air flow needs of the clean room.

11. Special designs: For specific applications, filters may have special designs, such as electrostatic charging treatment, antibacterial treatment, or chemical filtration capabilities.