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Bag filter as a convenient and reusable filter element is becoming more and more popular and preferred by many customers. As a result of a this trend, the demand for bag filter housing is accordingly increasing.

People may be familiar with the cartridge filter housing, but when it comes to the bag filter housing, it might be a little bit new for many of you.

Bag filter housing

This blog will discuss all information on bag filter housing. We will introduce the bag filter housing from multiple aspects. If you are interested in it, please read this whole article.

What is a bag filter housing?

A bag filter is a fluid pollution control device, which helps to remove and gain particulates from a fluid stream released from any industrial process. Filter bags are fabric designed with the intention to remove particulate material from the liquid and they are always inside the sealed bag filter housing.

What is a bag filter housing

What can be a bag filter housing made of?

Different raw materials can be chosen to make the bag filter housing. The most common raw material is stainless steel, sometimes plastic material can be also used as an economical alternative choice.

The material we use is based on the specific operating condition, according to the characteristics of different conditions, the corresponding material would be selected.

What can be a bag filter housing made of

In stainless steel bag filter housing, it includes 304L and 316L material. So, what is the deference between them, and what are they suitable for. You can check the chart below.

Stainless Steel difference SS 304 stainless steel SS 316 stainless steel
Material SS304 is an alloy of 18% chromium and 8% nickel SS316 is an alloy of 10% nickel, 2% molybdenum and 16% chromium
Advantages SS304 stainless steel is capable of resisting corrosion and oxidation. SS 316 is known to have high heat resistance due to its chemical composition and it portrays high corrosion resistance.
Applications the pressure vessels, tanks, tubing or piping etc desalination plants, seawater systems etc

How many kinds of Bag Filter Housing?

According to the quantity of bag filters, we mainly have two kinds of bag filter housing: Single Bag Filter Housing and Multi Bag Filter Housing.

시리즈 A
Bag Filter housing Difference Single Bag Filter Housing Multi Bag Filter Housing
Bag filter element Only one pcs bag filter element More than one pcs bag filter element
Material Plastic bag filter housing
Stainless steel 316 or 304
Stainless steel 316 and 304
Pressure working pressures ranging from 100 PSI to 300 PSI Standard design pressure of 150psig
How to choose Bag Filter Housing

How to choose Bag Filter Housing?

There are many factors you should take into consideration when selecting a bag filter housing. Read the tips carefully below, and it would be easier for you to make a choice for bag filter housing.

Cases of Multi Bag Filter Housing
  • Confirm your filtration system first. It is composed of one bag filter housing or multiple bag filter housings.
  • The cover of the bag filter housing. Which way do you want to open and close your bag filter housing with the minimum time?
  • Compact design for bag filter housing. It should have an appropriate space in the filter housing, which facilitates easy removal, cleaning, and maintenance of bag filters.
  • The most suitable flow rate of the bag filter.
  • It is recommended to buy a bag filter with a micron rating between 0.5μm and 200μm, which allows the removal of particulates of any nature and has high efficiency during operation.
  • The width and length of the bag filter housing. The size is also the factor you should consider about for both bag filter housing and bag filter.

Cases of Multi Bag Filter Housing

Following are two real examples from our client. Brother Filtration produced the bag filter housing according to their requirements and had great results.

Case one: Horizontal 3 Round 60″ high flow cartridge housing now completed to a regular client. SS304 MOC, 3 mm thickness of shell, 10 bar pressure design, Swing Arm, 6″ ANSI Flanged and Shot Blasting finish.

multi-bag-filter-housing

Case two: Dual 4 bag vessel (size 2), SS304 material, 10bar,DN100, spring aided lid and EPDM sealing. Each 2 housings would be connected with butterfly valve for flexible operation.

multi-bag-filter-housing-2

Conclusion

As the old Chinese saying, a good horse in a good saddle, the good bag filter also needs good bag filter housing, which could offer a better filtration performance with a good match. Considering the actual operating condition, and choosing the most suitable bag filter housing in stainless steel or plastic, in a single type or multi-type.

Brother Filtration always focuses on filtration and dedicates to providing high-quality filter products and better filtration solutions for our customers. If you have any questions about bag filter housing or you want to know more about filtration, please feel free to contact us.

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