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Primary folding filter is a kind of air filtration equipment widely used in air conditioning system, specially designed for removing airborne particles larger than 5.0μm, dust and all kinds of suspended matters. Its excellent performance and various material choices make it an indispensable part of modern air purification systems. In this paper, we will introduce the primary folding filter in detail from the aspects of product characteristics, structural design and application areas.
Primary folding filter has the following significant features:
Diversified frame materials: paper frame, aluminum alloy frame, galvanized iron frame and stainless steel frame are available to meet different environments and usage requirements.
High-quality filtration materials: the filtration media include non-woven fabrics, nylon mesh, activated carbon filter cotton and metal porous mesh, etc., providing a variety of filtration effects and adapting to different air quality requirements.
High-efficiency filtration performance: for particles above 5.0μm, the primary folding filter has a large airflow, low resistance and high dust capacity to ensure long-term stable filtration effect.
Lightweight design: the filter is lightweight, easy to install and replace, reducing maintenance costs and labor intensity.
Compact structure: the folded design makes the filter provide a larger filtration area in a small volume, which improves the overall efficiency.
The structural design of the primary folding filter takes full account of the ease of use and filtration efficiency, mainly including:
Folding structure: through the folding design, the contact area of the filter medium is increased, the filtration efficiency and dust holding capacity are improved, and the service life is prolonged.
Protective mesh: equipped with double-sided sprayed wire mesh or double-sided galvanized wire mesh, which enhances the durability and impact resistance of the filter and prevents deformation of the filter material.
Multi-layer filtration: According to the needs, different combinations of filter materials can be selected to form a multi-layer filtration effect, further enhancing air cleanliness.
Primary folding filter is mainly used in the following fields:
Air conditioning system: widely used in commercial and industrial air conditioning systems to ensure that the air entering the system is clean, protect the equipment and improve indoor air quality.
Clean room: In clean environments with high requirements for air quality, it is used as a primary filter to effectively remove large particle pollutants.
HVAC systems: In HVAC systems, used as primary filtration equipment to protect subsequent high-efficiency filters and extend their service life.
