
Pleated Membrane Filter Cartridges
The pleated filter cartridge is a high-efficiency filtration element manufactured by continuously pleating a membrane or filter media and assembling it with supporting layers, a core, outer protective components, and end caps. Compared with conventional string-wound and melt-blown filter cartridges, the pleated structure provides a significantly larger effective filtration area within the same housing dimensions. This enables higher dirt-holding capacity, greater flow rates, longer service life, and lower operating pressure drop, making pleated cartridges suitable for demanding filtration applications.
Structural Diagram
The O-type sealing design provides reliable sealing performance, effectively preventing leakage and ensuring secure operation under various working conditions.
The interface interface is designed for easy integration with different filtration systems, ensuring convenient installation and compatibility.
The thermal welded construction creates a strong and stable filter structure without the use of adhesives, reducing the risk of contamination and improving reliability.
The optimized pleated structure increases the effective filtration area, enhances dirt-holding capacity, and extends the service life of the filter cartridge.
The multi-layer filtration media combined with support layers provides efficient depth filtration while maintaining structural strength and filtration stability.
The reinforced center core provides internal support, maintains cartridge rigidity, and ensures stable performance during operation.
The sealed end cap design prevents bypass flow, improves sealing performance, and ensures consistent filtration efficiency.
The protective outer shell strengthens the overall structure, protects internal filtration components, and improves mechanical durability.
The upstream support layer protects the filter media from damage caused by pressure fluctuations and ensures reliable filtration performance.
The high-efficiency filtration media provides precise particle retention and effectively removes contaminants from liquids.
The downstream support layer maintains filtration stability, prevents media deformation, and ensures consistent output quality.
The integrated fin handle design allows quick installation and removal, making filter replacement easier and more convenient.


What Are the Advantages of Pleated Filter Cartridges?
The pleated structure significantly increases the filtration area within a limited installation space. A larger effective filtration area allows the cartridge to process more fluid while reducing the filtration load on each unit area of the membrane. This improves filtration efficiency, increases dirt-holding capacity, and helps extend filter service life.
High-quality filtration media combined with precise manufacturing processes ensures a uniform pore structure and consistent filtration performance. This enables pleated filter cartridges to maintain stable filtration accuracy throughout operation and meet the requirements of different process filtration stages.
The increased effective filtration area reduces the resistance encountered as liquids or gases pass through the filter media. Under the same operating conditions, pleated filter cartridges can provide higher flow rates and lower pressure drop, helping improve overall system efficiency and reduce energy consumption.
A larger filtration area and higher dirt-holding capacity allow the filter cartridge to accommodate more contaminants before reaching its replacement pressure differential. This reduces the frequency of cartridge replacement and helps lower maintenance costs.
Filter Medium
Depending on the filtration medium and operating conditions, pleated filter cartridges can be manufactured using a variety of materials, including Polypropylene (PP), Polytetrafluoroethylene (PTFE), Polyvinylidene Fluoride (PVDF), and Nylon. Different membrane materials and structural configurations can be selected to meet the requirements of different fluids, chemical environments, filtration ratings, and process conditions.




