Cartridge Filters and Pleated Bag Filters
Cartridge Filters and Pleated Bag Filters are effective industrial dust filtration solutions with optimal filtration surface areas. With advancements in new technology, pleated filter bags have become a popular choice in industrial dust collection systems due to their ability to enhance filtration efficiency while maintaining a compact design.
Cartridge Filters and Pleated Bag Filters – Effective Industrial Dust Filtration Solutions with Optimal Filtration Area
With advancements in new technology, Cartridge filters (pleated filter bags) have become a popular choice in industrial dust collection systems due to their ability to enhance filtration efficiency while maintaining a compact size. Compared to conventional cylindrical filter bags, Cartridge filters offer a significantly larger filtration surface area thanks to their smart pleated design. This feature improves fine dust collection capabilities and extends operational intervals before cleaning or replacement is required.

Advantages of Cartridge Filters and Pleated Bag Filters
High Efficiency
- Capable of handling fine dust with an efficiency of 98-99% for particles ranging from 0.5µm to 1µm.
- Highly effective automatic compressed air cleaning (pulse-jet cleaning).
- Vertical filter design prevents dust accumulation in the pleats and ensures better dust release compared to horizontal filter arrangements.
- Long service life, low differential pressure (pressure drop), and reduced operating costs.
Low Cost and Economical
- Low pressure drop results in energy savings.
- Low compressed air consumption.
- Low maintenance requirements.
- Easy maintenance with short downtime.
- Long equipment lifespan.
- Lowest investment cost.
Flexibility
- Compact: Easy to install indoors in areas with limited space.
- Modular design: Allows for easy capacity expansion based on demand.
- Versatile replacement: Offers two filter replacement options: from the top (clean air plenum) or via a side door. Operations are convenient, quick, and ensure occupational safety.
- Explosion-proof options: Available for motors, diaphragm valves, and timers.
Applications of Cartridge Filters and Pleated Bag Filters
Pleated Bag Filters are widely applied in industries such as cement, wood processing, food, metallurgy, and chemical manufacturing. These sectors require dust collection systems that operate continuously with high efficiency while minimizing installation space. This optimal design helps reduce differential pressure, conserves energy, and enhances the durability of the entire filtration system.

Thanks to new technology, pleated bags are now manufactured and widely applied across general industries. With the advantage of identical physical dimensions, pleated bags offer a filtration surface area many times larger than conventional filter bags of the same size. They also feature better air permeability, higher stability, high filtration efficiency, and a long service life.
Material: Galvanized steel frame, Polyester fabric / Polyester paper.
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We supply Cartridge Filters and Pleated Bag Filters for a wide range of equipment and industries. We provide complete technical documentation, product selection consulting, an official warranty, and comprehensive technical support for our customers.
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A reputable and professional manufacturer and supplier of Cartridge Filters and Pleated Bag Filters
Focus Engineering Co., Ltd. specializes in providing advanced and modern Cartridge Filters and Pleated Bag Filters to meet all customer needs. With over 20 years of experience in the industry, we deliver comprehensive solutions that help businesses meet their production requirements.
With the core value ALL FOR A SUSTAINABLE ENVIRONMENT, we focus on the fields of Consulting – Designing – Fabricating – Installing and transferring technology for DUST FILTRATION SYSTEMS, INDUSTRIAL VALVES, BUCKET ELEVATORS, INDUSTRIAL FANS, SCREW CONVEYORS, CHAIN CONVEYORS, BELT CONVEYORS, TELESCOPIC SPOUTS, WEIGHING CONVEYOR and complete solutions for automatic weighing, bagging, and palletizing systems for industries such as cement, animal feed – aquaculture, chemical fertilizers, rice milling, etc.
In addition to manufacturing and fabrication, Focus also supplies technical and environmental equipment such as INDUSTRIAL BUCKET – BELT CONVEYORS, RUBBER CONVEYOR BELTS, INDUSTRIAL CONVEYOR CHAINS, AIR CANNONS, ROLLERS, CONVEYOR BELT CLEANERS, IMPACT BARS, DUST FILTRATION PRODUCTS, WET FILTRATION PRODUCTS, and OTHER PRODUCTS.
Furthermore, Focus Engineering Co., Ltd. – Focus Laser is a leading company in the field of sheet metal fabrication in Vietnam, with a modern equipment system and a team of experienced technicians. We specialize in providing laser cutting, bending, CNC punching, and manufacturing high-quality mechanical products. We are committed to delivering optimal mechanical solutions, meeting all technical requirements with superior quality.
With a quality management system certified to ISO 9001-2015 and a professional team of engineers and technicians, combined with technology transfer training cooperation from leading prestigious partners such as Martin Engineering – USA, Imeco – Italy, Stif – France, DongYang – South Korea, we are always committed to creating product lines and comprehensive solutions that best and most suitably meet all the requirements of our customers and partners.
Please visit our website for the most detailed information or contact:
FOCUS ENGINEERING Co., Ltd
Email: sales@focus-eng.vn
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