Choosing the right filtration system is critical for industrial liquid processes. Bag filter housing and cartridge filter housing are two of the most common solutions, but they are designed for different operating conditions, flow rates, and maintenance requirements.
This article compares bag filter housing vs cartridge filter housing to help engineers and purchasing managers select the most suitable option.
Bag filter housing is a pressure vessel designed to hold one or multiple filter bags. Liquid flows into the housing, passes through the filter bag, and solid particles are trapped inside the bag.
Bag filter housings are widely used in industrial liquid filtration due to their high flow capacity and easy maintenance.
High dirt-holding capacity
Suitable for high flow rates
Quick bag replacement
Lower operating cost for coarse to medium filtration
Cartridge filter housing holds one or more filter cartridges, typically pleated or depth-type elements. Liquid passes through the cartridge media, achieving finer filtration precision.
Cartridge filter housings are commonly used where high filtration accuracy is required.
High filtration precision
Suitable for low to medium flow rates
Longer filtration cycles
Higher element replacement cost
| Item | Bag Filter Housing | Cartridge Filter Housing |
|---|---|---|
| Flow Rate | High | Low to Medium |
| Filtration Precision | Medium | High |
| Dirt Holding Capacity | Very High | Lower |
| Maintenance | Simple and fast | More time-consuming |
| Operating Cost | Lower | Higher |
| Typical Applications | Industrial liquids | Fine filtration systems |
Bag filter housing is the better choice when:
High flow rate is required
Liquid contains a large amount of solid particles
Frequent filter change is expected
Operating cost control is important
Filtration precision is not ultra-fine
Typical applications include:
Water treatment
Chemical processing
Paint, ink, and coating filtration
Oil and fuel filtration
Cartridge filter housing is recommended when:
Fine filtration accuracy is critical
Flow rate is relatively low
Clean liquids with low solid content
Long filtration cycle is preferred
Typical applications include:
Pharmaceutical processes
Electronics and microfiltration
High-purity water systems
From a total cost perspective:
Bag filter housing usually has lower initial and operating costs
Filter bags are cheaper and faster to replace
Cartridge systems may require higher investment and replacement costs
For many industrial applications, bag filter housing provides the best balance between performance and cost.
To choose between bag filter housing and cartridge filter housing, consider:
Required flow rate
Filtration precision
Liquid characteristics
Operating pressure and temperature
Maintenance frequency
If you need help selecting the right system, professional technical support can save time and cost.
Both filtration systems have their advantages, but for high-flow industrial liquid filtration, bag filter housing is often the more practical and cost-effective solution. Cartridge filter housing is better suited for applications requiring fine filtration precision.
Yes, in most industrial applications, bag filter housing has lower operating and maintenance costs.
For medium filtration precision and high flow applications, bag filter housing can effectively replace cartridge systems.
Bag filter housing is easier and faster to maintain due to simple bag replacement.
If you are searching for a reliable bag filter housing manufacturer, we can help you select the best solution based on your application, flow rate, and filtration requirements.
👉 Contact us now for technical support and a competitive quotation.
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