Pleated mesh filter

Pleated Mesh Filter

Pleated mesh filter is a type of air or liquid filtration device that consists of a mesh material arranged in a pleated pattern. The mesh material is typically made of metals such as stainless steel or aluminum, but it can also be constructed from synthetic materials like nylon or polyester.The pleated design increases the surface area of the filter, allowing it to capture a larger volume of particles or contaminants. The pleats create more space for the mesh material to trap and retain particles as they pass through the filter. This design feature enhances the filter’s efficiency and capacity compared to flat mesh filters.

The pleated mesh design also offers advantages like low pressure drop, which means it allows air or liquid to flow through with minimal resistance. This characteristic is important for maintaining proper airflow or liquid flow rates in systems while still providing effective filtration.

Pleated mesh filters are commonly used in various applications where fine filtration is required, such as HVAC systems, industrial air filtration, liquid filtration in water treatment plants, and automotive filtration. They are capable of capturing a wide range of particulate matter, including dust, pollen, debris, and even larger particles depending on the mesh size.


How is the pleated mesh filter constructed?

Construction of pleated mesh filter

A pleated mesh filter consists of multiple layers of mesh material that are folded in an accordion-like pattern to create pleats. The mesh material is typically made of materials like stainless steel. The pleats increase the surface area available for filtration, allowing for efficient particle capture.

The layers of mesh material are stacked on top of each other, aligning the pleats to ensure uniform distribution throughout the filter. The pleated assembly is often supported by a frame or structure to maintain its shape and prevent deformation during operation

What is the standard size range available for pleated metal mesh filters?


6, 12, 24, 48… inches


2, 4, 8, 16… inches


1, 2, 3, 4… inches

Pleat Count

10-15 pleats per inch (4-6 pleats per centimeter)

15-20 pleats per inch (6-8 pleats per centimeter)

20-30 pleats per inch (8-12 pleats per centimeter)

Aspect Ratio

Square: 12 inches by 12 inches (30 cm by 30 cm), customized.

Rectangular: 12 inches by 24 inches (30 cm by 61 cm), customized.


What is the typical pleat pattern?

Pleat pattern of pleated metal mesh filters

Zigzag Pleat Pattern: This pattern involves alternating pleats that fold in opposite directions, resembling a zigzag shape. Each pleat folds back and forth, creating a series of peaks and valleys. The zigzag pattern is commonly used in pleated metal mesh filters due to its efficiency in maximizing surface area and promoting uniform flow distribution.

M-Pleat Pattern: The M-pleat pattern features pleats that resemble the letter “M” when viewed from the side. Each pleat folds in a similar manner, creating a series of upward and downward folds. The M-pleat pattern provides enhanced structural stability and is often used in pleated metal mesh filters where mechanical strength is important.


Box Pleat Pattern: The box pleat pattern consists of pleats that fold in one direction, forming a series of parallel folds. Each pleat runs continuously from one end of the filter to the other, creating a rectangular or box-like appearance. The box pleat pattern offers increased rigidity and can be suitable for applications that require a sturdy and robust filter structure.


Stainless steel mesh pleated filter cleaning procedure

  1. Preparing the Cleaning Solution: Prepare a cleaning solution by mixing a mild detergent or a specified cleaning agent with warm water. Ensure that the detergent or cleaning agent is compatible with stainless steel and does not contain any harsh chemicals that could damage the mesh or the filter structure.
  2. Removal from the Filtration System: Remove the stainless steel mesh pleated filter from the filtration system. Follow any specific instructions provided by the manufacturer for safe removal and handling of the filter.
  3. Initial Inspection: Inspect the filter visually to assess the level of contamination. If there are any large or solid particles on the surface, gently brush or rinse them off before proceeding with the cleaning process.


4.Rinse:After soaking and agitation, thoroughly rinse the filter with clean water. Ensure that all traces of the cleaning solution and loosened contaminants are removed from the filter. Use gentle water pressure to avoid damaging the mesh or pleats.

5.Drying:Allow the stainless steel mesh pleated filter to air dry completely in a clean and well-ventilated area. Avoid using compressed air or heat sources for drying, as they may cause damage to the filter.

6.Inspection and Reinstallation: Once the filter is dry, inspect it to ensure it is clean and free from any residue. Check for any damage or deformities that may affect its performance.


How does the pleated design affect the dirt-holding capacity of the filter?

Pleated mesh filter detail

The pleated design of a metal mesh filter significantly enhances its dirt-holding capacity. By creating additional surface area and promoting depth filtration, pleats allow for the efficient capture and retention of contaminants. The pleats increase the available filtration area, enabling the filter to trap a larger volume of dirt particles. The pleated structure also facilitates depth filtration, with contaminants being captured not only on the surface but also within the pleats themselves.

This extended filtration depth enhances the filter’s ability to hold a greater amount of dirt and prolongs its service life. As a result, pleated metal mesh filters can effectively handle higher levels of contamination and maintain filtration performance for longer periods before requiring cleaning or replacement. This increased dirt-holding capacity translates to cost savings and reduced maintenance frequency in various applications, making pleated metal mesh filters a reliable choice for efficient and extended filtration operations.



Most frequent questions and answers

Coarse Filtration: For applications where the goal is to capture larger particles or debris, coarser mesh sizes are used. This could range from around 10 mesh (10 openings per inch) to 100 mesh (100 openings per inch).


Medium Filtration: Medium filtration requires capturing particles of intermediate sizes. Mesh sizes commonly used for medium filtration range from around 100 mesh to 300 mesh (300 openings per inch).


Fine Filtration: Fine filtration involves capturing smaller particles. Mesh sizes for fine filtration typically range from 300 mesh to 1000 mesh (1000 openings per inch) or higher.


It’s important to note that the appropriate mesh size will vary depending on the specific application, the desired filtration efficiency, and the nature of the particles or contaminants that need to be captured. For example, air filtration applications may require finer mesh sizes to capture smaller airborne particles, while liquid filtration applications may have different mesh size requirements based on the size of suspended solids or particulates.

  1. Prepare a suitable cleaning solution using warm water and mild detergent.
  2. Remove the filter from its housing or system.
  3. Inspect the filter for damage.
  4. Pre-rinse the filter with water to remove loose debris.
  5. Soak the filter in the cleaning solution for 15 to 30 minutes.
  6. Gently agitate the filter in the cleaning solution.
  7. Thoroughly rinse the filter with clean water to remove any residues.
  8. Allow the filter to air-dry in a well-ventilated area.
  9. Inspect the filter for any signs of damage before reinstallation.
  10. Reinstall the filter into the housing or system.


Please follow any specific instructions provided by the manufacturer for cleaning your particular pleated metal mesh filter.

The filter is constructed using 316 stainless steel, which is a specific grade of stainless steel known for its excellent corrosion resistance, particularly in acidic and chloride environments. It offers superior durability and high-temperature tolerance.


316 stainless steel is widely used in various industries, including chemical processing, oil and gas, marine, and food processing, where resistance to corrosion and high-performance filtration are crucial. The 316 mesh pleated filter is commonly used in applications that require robust filtration, durability, and the ability to withstand challenging environmental conditions.

The selected 304 stainless steel mesh is cut into appropriate-sized sheets or rolls, depending on the filter dimensions and design specifications. The mesh sheets or rolls are then pleated or folded using specialized machinery. The pleating process involves folding the mesh material in a specific pattern to create pleats or accordion-like folds. This step increases the filter’s effective surface area for enhanced filtration performance.


It’s important to note that the specific manufacturing processes and equipment used to make 304 mesh pleated filters may vary between manufacturers. Advanced production techniques and automation may be employed in larger-scale manufacturing operations to ensure efficiency and consistency in the production process.

Durability: Stainless steel mesh is known for its excellent durability and resistance to corrosion, making it suitable for demanding environments and applications. It can withstand high temperatures, chemical exposure, and mechanical stress, resulting in a long-lasting filter that maintains its integrity over time.


Filtration Efficiency: The mesh structure provides a uniform and precise filtration medium that effectively captures particles of various sizes, depending on the mesh size. This makes them suitable for a wide range of filtration applications, including both liquid and gas filtration.


Easy Maintenance: Stainless steel mesh pleated filters are relatively easy to clean and maintain. The smooth surface of stainless steel allows for easy removal of accumulated particles or contaminants, and the pleated design provides a larger filtration area, reducing the frequency of cleaning or replacement.


Chemical Compatibility: Stainless steel mesh is chemically inert and resistant to many chemicals, making it suitable for applications where the filter may come into contact with corrosive substances. It maintains its structural integrity and filtration performance even in harsh chemical environments.


Versatility: Stainless steel mesh pleated filters are versatile and can be customized to meet specific filtration requirements. They are available in various mesh sizes, allowing for precise particle capture and filtration efficiency. Additionally, they can be designed to fit different filter housing or system configurations.


High Flow Rates: Stainless steel mesh filters typically offer low resistance to flow, allowing for high flow rates while maintaining efficient particle capture. This makes them suitable for applications where maintaining adequate flow rates is essential.

Pleated Wire Mesh Filters: These are the primary products offered by a pleated wire mesh filter company. Pleated wire mesh filters feature a pleated design that increases the filtration surface area, allowing for efficient particle capture. They are available in various sizes, filtration ratings, and mesh materials such as stainless steel, brass, or other alloys.


Customized Filters: Many pleated wire mesh filter companies offer customization options to meet specific customer requirements. This includes tailoring the filter size, mesh material, filtration rating, pleat count, and other specifications to fit unique filtration applications.


Filter Elements and Cartridges: Some companies provide complete filter elements or cartridges that incorporate pleated wire mesh filters. These filter elements are designed for easy installation into existing filtration systems or housings and may include additional components such as end caps or gaskets.


Filter Housings and Assemblies: In addition to the filters themselves, a pleated wire mesh filter company may offer filter housings or assemblies. These are designed to house the filters securely and provide a connection point within a filtration system. Filter housings can be made of various materials such as stainless steel, plastic, or aluminum.


Filter Accessories: Companies may also offer a range of filter accessories, including gaskets, seals, O-rings, mounting brackets, and hardware. These accessories help ensure proper installation, sealing, and maintenance of the filters and filtration systems.


Filter Media and Materials: In addition to pleated wire mesh filters, some companies may offer other filter media and materials, such as synthetic fibers, sintered metal, or non-woven fabrics. This provides customers with a wider range of filtration options to choose from based on their specific requirements.

DEZE is professional pleated mesh filter manufacturer and supplier, typically provides a range of products and services related to pleated mesh filters.


Pleated Mesh Filters: These filters are typically made from various mesh materials, such as stainless steel, and are available in different sizes, pleat configurations, and filtration ratings to meet specific application requirements.


Customization Services: We offer customization options for pleated mesh filters. This includes tailoring the filter dimensions, pleat counts, mesh materials, and filtration ratings to fit the specific needs of customers. Customization ensures that the filters effectively meet the required filtration performance and compatibility.


Engineering and Design Support: We provide engineering and design support to help customers determine the most suitable filter specifications for their applications. They can offer guidance on factors such as mesh size, pleat count, filtration efficiency, and pressure drop to optimize filter performance.


Manufacturing Capabilities: DEZE Filtration has the expertise and equipment to produce pleated mesh filters in large quantities. We employ specialized machinery and production processes to ensure consistent quality and precise pleat geometry in the filters they manufacture.

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