In various industrial applications and processes, the filtration of liquids and gases is crucial for maintaining product quality, protecting equipment, and ensuring a safe working environment. Among the different types of filtration systems available, Pleated Filter Cartridges have gained significant popularity due to their efficiency, versatility, and ease of use. Pleated cartridge filters are surface filters that keep particles at the surface from flowing through. The pleated cartridge media enhances the surface area of the filter and retains a considerable quantity of sediments.

In this blog post, we will delve into the world of pleated filter cartridges, exploring their construction, working principles, applications, and benefits.

Pleated Filter Cartridges: Construction and Working Principle

Pleated filter cartridges are designed to remove contaminants and impurities from liquids and gases by employing a pleated filter media. The pleats significantly increase the surface area of the filter, enhancing its filtration efficiency and capacity. These cartridges are available in various sizes, materials, and micron ratings to suit different application requirements.

Pleated filter cartridges consist of filter media that are typically made of materials such as cellulose, polyester, polypropylene, or other synthetic fibers. The media is folded into pleats, creating a large surface area within a compact space. The pleated media is then encased in a protective outer shell, often made of materials like polypropylene, stainless steel, or other suitable materials.

When fluid passes through the pleated filter cartridge, contaminants are trapped within the filter media. The pleated design allows for effective particle capture while maintaining a low-pressure drop. As a result, the fluid flows smoothly, and the cartridge achieves high dirt-holding capacity before requiring replacement or cleaning.

Several Types of Pleated Filter Cartridges

Polypropylene Pleated Filter Cartridges

Pleated Filter Cartridge Manufacturers in India use 100% polypropylene media to build these cartridges, which offers excellent chemical compatibility and graded filtration capabilities. PP filter cartridges are widely used for water treatment, chemicals, pharmaceuticals, and food and beverage applications.

Polyester Pleated Filter Cartridges

PE pleated filters constructed of polyester material, which is a 100% synthetic media, are washable and resistant to a wide range of chemicals. These filter cartridges have good temperature tolerance and long service life. The pleated version is ideal for the filtration of silt, dirt, and sediment.

PTFE (Polytetrafluoroethylene) Pleated Filter Cartridges

Pleated PTFE filters are known for their exceptional chemical resistance and high-temperature tolerance. PTFE filter cartridges are commonly employed in oil and gas applications where process fluids must be shielded against humidity and steam since polytetrafluoroethylene is a hydrophobic substance.

Nylon Pleated Filter Cartridges

These types of filter cartridges are also commonly used for filtering oils, hydraulic fluids, chemicals, and aqueous and organic liquids. The pleated nylon membranes are both robust and flexible. Nylon is a high-quality technical polymer with high mechanical strength, heat resistance, and compatibility with a wide range of fluids. 

Cellulose Pleated Filter Cartridges

Cellulose media cartridges are cost-effective and commonly used for general water filtration, beverage filtration, and pre-filtration in various industries.

Activated Carbon Pleated Filter Cartridges

These cartridges are designed by Pleated Filter Cartridge Suppliers in India to remove chlorine, odors, organic contaminants, and some dissolved chemicals from water or air. They are often used in applications such as drinking water treatment, air purification, and the food and beverage industry.

Fiber Glass Pleated Cartridge Filter

Fiberglass pleated cartridge filters are well-known for their exceptional flow properties, extremely low-pressure dips, and resistance to corrosive substances. Because of this, fiberglass filter cartridges are ideal for use in chemical and oil and gas applications.

Stainless Steel Pleated Filter Cartridges

Stainless steel cartridges are durable and resistant to high temperatures and corrosive environments. They are commonly used in applications involving industrial gases, process fluids, and high-viscosity liquids.

Applications of Pleated Filter Cartridges

Pleated filter cartridges find applications in a wide range of industries and processes, including but not limited to:

a) Water Treatment

Pleated filter cartridges are commonly used in residential, commercial, and industrial water treatment systems to remove sediment, particulate matter, chlorine, and other impurities.

b) Food and Beverage Industry 

These cartridges play a crucial role in ensuring the quality and safety of food and beverage products by removing contaminants, bacteria, and odors.

c) Pharmaceutical and Biotechnology

Pleated filters are employed in pharmaceutical manufacturing and biotech processes to maintain sterility, remove particles, and improve the quality of air and water used in critical operations.

d) Chemical and Petrochemical Industry

Pleated filters are utilized for the filtration of various chemicals, solvents, and gases to protect sensitive equipment, prevent contamination, and ensure product purity.

e) Electronics and Semiconductor Manufacturing

Pleated filter cartridges are used to maintain clean environments, remove particles, and control air quality in electronics manufacturing facilities, cleanrooms, and semiconductor fabrication processes.

Benefits of Pleated Filter Cartridges

High Filtration Efficiency

The pleated design provides a large surface area for filtration, resulting in excellent particle capture efficiency and improved contaminant removal.

Extended Service Life

The increased dirt-holding capacity of pleated filters allows for a longer service life, reducing maintenance frequency and downtime.

Low-Pressure Drop

Pleated filters maintain a low-pressure drop, ensuring efficient fluid flow and minimizing energy consumption.


Pleated filter cartridges are available in various sizes, micron ratings, and materials, making them adaptable to a wide range of applications and process requirements.

Easy Installation and Replacement

These cartridges are designed for easy installation and replacement, simplifying maintenance procedures and reducing labor costs.


Pleated filter cartridges have become indispensable components in numerous industries, offering efficient and reliable filtration solutions. With their high filtration efficiency, extended service life, and versatility, pleated filters contribute to enhanced product quality, reduced equipment maintenance, and improved operational efficiency. 

If you are thinking to invest in a large quantity of Pleated cartridge filters for your business, GTS FIlters and Systems is your one-stop shop. You can contact us and discuss your requirements as we are one of the most well-known Pleated filter cartridge suppliers in India.