As industrial production scales continue to grow, filtration systems must handle higher flow rates, larger contaminant loads, and longer operating cycles. While single bag and dual bag filter housings are suitable for smaller processes, many facilities require a more robust solution capable of supporting continuous, high-volume liquid filtration.
A 4 bag filter housing is one of the most popular configurations within the multi bag filter housing category. Designed to hold four filter bags in a single pressure vessel, it provides a significantly larger filtration area, higher dirt-holding capacity, and improved operational efficiency compared to smaller systems.
At Macrokun, we manufacture and supply high-quality stainless steel multi bag filter housings for customers worldwide. Whether you require a standard 4 bag filter housing or a fully customized filtration vessel, our engineering team can provide solutions tailored to your process requirements.
In this guide, we will explore the features, advantages, applications, technical specifications, and selection considerations of 4 bag filter housings and explain why they are widely used across industries such as water treatment, chemicals, food processing, pharmaceuticals, and electronics manufacturing.
A 4 bag filter housing is an industrial filtration vessel designed to hold four filter bags simultaneously. The incoming liquid is evenly distributed among the filter bags, maximizing filtration efficiency while maintaining low pressure drop.
As part of the broader multi bag filter housing family, this configuration offers an excellent balance between filtration performance and equipment footprint.
Compared with smaller bag filtration systems, a 4 bag filter housing provides:
For medium and large-scale production facilities, it is often the preferred choice for liquid filtration applications.
The operating principle of a 4 bag filter housing is simple yet highly efficient.
Unfiltered liquid enters through the inlet connection and flows into the upper chamber of the vessel.
The housing is engineered to distribute the liquid evenly across all four filter bags.
Uniform flow distribution ensures:
As the liquid passes through the filter bags, contaminants are retained within the filter media.
Common contaminants removed include:
The filtered liquid collects in the lower chamber and exits through the outlet port for downstream processing.
When the differential pressure reaches the recommended limit, operators can quickly replace the filter bags, minimizing downtime and maintaining system efficiency.
One of the main advantages of a 4 bag filter housing is its ability to process large liquid volumes.
Typical flow capacities range from:
Actual performance depends on:
For facilities with demanding flow requirements, a multi bag filter housing provides a practical and economical solution.
A larger filtration area improves overall system efficiency.
Benefits include:
Compared with a single bag housing, a 4 bag filter housing can provide up to four times the available filtration surface area.
Because contaminants are distributed across multiple filter bags, replacement intervals are extended.
This results in:
Over time, these savings can significantly reduce total filtration costs.
Rather than installing multiple single bag units, a 4 bag filter housing consolidates filtration capacity into a single vessel.
Advantages include:
Macrokun multi bag filter housings are compatible with a wide variety of filter bags.
Available filtration ratings include:
This flexibility allows the system to accommodate both coarse and fine filtration applications.
Water treatment facilities frequently utilize multi bag filter housings for:
The large filtration area helps handle high flow rates efficiently.
Chemical manufacturers require reliable filtration for:
The stainless steel construction ensures excellent resistance to corrosion and harsh operating environments.
Food-grade filtration applications include:
Macrokun offers sanitary multi bag filter housings designed to meet strict hygiene standards.
Pharmaceutical manufacturers use 4 bag filter housings for:
Consistent filtration performance helps maintain product quality and regulatory compliance.
Removing contaminants from coatings and liquid formulations is essential for product consistency.
Applications include:
A multi bag filter housing helps eliminate unwanted particles before packaging or application.
High-purity filtration applications include:
Efficient filtration protects sensitive equipment and improves manufacturing yields.
Macrokun manufactures multi bag filter housings using:
Material selection depends on fluid compatibility and operating conditions.
A 4 bag filter housing using Size #2 bags can provide up to 2.0 m² of total filtration area.
| Parameter | Specification |
|---|---|
| Housing Capacity | 4 Filter Bags |
| Design Pressure | Up to 150 PSI |
| Operating Temperature | Up to 200°C |
| Material | SS304 / SS316 / SS316L |
| Filtration Rating | 1–200 Micron |
| Seal Materials | EPDM / Viton / PTFE |
| Surface Finish | Matte / Mirror Polish |
Macrokun offers:
Customized connection standards are available.
Macrokun specializes in industrial filtration equipment, including:
Our products are trusted by customers in more than 50 countries.
Every filtration process is unique.
Macrokun provides customized solutions for:
Custom pressure ratings are available for demanding industrial processes.
Each housing undergoes:
This ensures long-term reliability and dependable performance.
Macrokun provides:
Whether you require one unit or large-volume production, we can support your project from design to delivery.
The required flow rate is the most important consideration when selecting a filtration system.
Higher flow applications may require:
Common selections include:
Important factors include:
These determine the appropriate housing material and seal type.
Always select a housing that exceeds your system’s maximum operating pressure and temperature requirements.
A 4 bag filter housing provides significantly higher flow capacity, larger filtration area, and longer filter service life while reducing maintenance frequency.
Yes. We can customize:
They are widely used in water treatment, chemicals, food and beverage, pharmaceuticals, coatings, electronics, and many other industrial sectors.
Standard materials include SS304, SS316, and SS316L stainless steel, with custom alloy options available for specialized applications.
If you are searching for a reliable 4 bag filter housing manufacturer or a trusted multi bag filter housing supplier, Macrokun can provide the ideal filtration solution for your application.
Our engineering team will help you select the most suitable housing configuration based on your flow rate, filtration requirements, operating conditions, and industry standards. From standard stainless steel vessels to fully customized filtration systems, we deliver products designed for maximum performance and long-term reliability.
Contact Macrokun today for product catalogs, technical support, and a customized quotation. Let us help you improve filtration efficiency, reduce maintenance costs, and optimize your industrial process with high-quality multi bag filter housing solutions.
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MACROKUN has established long-term and stable cooperative relations with many transportation companies such as China Post, DHL, FEDEX, USPS, UPS, etc. Of course, MACROKUN can also provide air and sea transportation. The powerful logistics system enables all MACROKUN'S Printing Mesh, Filter Mesh and Filter Bags and so on to be easily and efficiently transported to any place. For quotes and inquiries, please email our sales team.
