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Customized Size Star Filter Cage
Customized Size Star Filter Cage
Customized Size Star Filter Cage
Customized Size Star Filter Cage
Customized Size Star Filter Cage
Customized Size Star Filter Cage
Customized Size Star Filter Cage

Customized Size Star Filter Cage


What is a filter cage filter basket?

Bag cage is a structure that provides internal support for filter bags in the bag house system also known as filter cage or filter basket. In dust collection operations, bag cages provide a way to keep the filter bags open during the collection process and provide necessary support for the fabric during operation and cleaning.

Why choose SFFILTECH bag filter cage?

1. Reliable and excellent product quality

SFFILTECH has 3 production software and 22 advanced filter bag patents to ensure the production of best quality and efficient products.

SFFILTECH strictly follows ISO production standards and the regulations of automated production lines.

The production factory has a set of quality inspection procedures and a team of assisting personnel for pre-production, during production and post-production to ensure the highest quality of our products.

If required, a third-party laboratory quality inspection reports for each batch of products can be provided.

2. Convenient and stable shipment:

Stable and continuous supply and production. Large scale of storage of raw materials and accessories.

Independent warehouse provides a large amount of storage space for shipment stock.

Our company uses highly efficient transportation and courier services.

SFFILTECH has over 10 years of experience as a manufacturer and supplier.

3. Safe and reliable payment transactions:

Since its establishment, SFFILTECH has been cooperating with the most reliable banks in China, ensuring the safe funds transfer.

SFFILTECH supports multiple payment methods and can collaborate with third-party banks and enterprises to ensure the security of customer payment.

“Integrity has always been one of the most important concern of SFFILTECH”

4. Excellent pre-sales and after-sales service:

SFFILTECH has multiple experienced sales personnel providing 24-hour service.

SFFILTECH can provide instant online after-sales support as well as overseas after-sales services.

SFFILTECH has multiple agents worldwide and branches in some regions that can provide services in person.

How to choose a filter bag cage?

When old filter cage requires replacement:

Once you remove the filter cage from the filter housing, you can just need to take some measurements and pictures and send them to us. We would be able know your filter cage specifications using this method.

We can make a sample for you to test its fitment with your filter bag cage house within a few days.

When you want to install a new filtration system and need some advice:

We will send you a configuration form to fill it according to your specifications and conditions like temperature, chemical content and others. After you send it back to us .We will inform you about what kind filter cage is suitable for you.

Our engineers can arrange online meeting with your engineer or provide you with the configuration based on your specifications

If you are able send us the samples, we can analyses the sample filter cage’s material and structure. We can make one sample for you to try it in your bag house within a few days.

Basic commercial terms of filter cage filter basket:

Place of OriginShanghai, China
CertificationISO, FDA
Product ItemStar filter cage/ filter basket
Minimum Order Quantity1pcs  
PriceContact us to get an exact quotation
Packaging DetailsNude packed
Delivery Time7-30days after deposit. According to the specific order quantity. 1-7days for sample
Port of shipmentShanghai, Ningbo, Qingdao, Lianyungang, Guangzhou, Shenzhen or Others
Payment Terms30% Deposit, balance TT on copy B/L. Other payment methods can be negotiated according to the order requirements
Supply Ability:100000pcs/month
OEM/ODMYes, we can support customized, like size, shape, material, treatment, structure
After-sales Services1 year warranty after we both sign the plant investigation usually for this one

What are the materials of the filter bag cage?

According to the customer's demand and specifications, the venturi and cages are available in the following



Raw steel S235JR

Pre-galvanized steel

AISI 304L stainless steel

AISI 316L stainless steel


Cataphoresis treatment can be provided in addition.

What surface treatments do filter cages have?

Raw materials receive the following treatments:

Spray molding


Packling and Passivation


Bag cage structure diagram


GCollar type / VenturiABasket lengthERing Distance
NNumber of wireBOuter diameterFBottom Diameter
CNumber of longitudinal wires Longitudinal wire diameterDRing wire diameter Number of ring threads----

Filter bag cage shape/ Filter cage’s number of longitudinal wires

Usually, the length of the bag cage varies from 5 meters to 12 meters;

The number of several longitudinal wires is usually 6, 8, 10, 12.14, 16, 20, and 24;

The distance between rings is 50, 100, 150, 200, or 250;

The following figure shows the corresponding relationship between the conventional bag cage shape and the number of longitudinal wires.


Schematic diagram of filter bag cage head style

There are 4 styles of bag cage heads and 1 combination with a venture.


What is a star filter sleeve cage?

Star shaped filter cage are a type of circular filter cage, often paired with pleated filter bags and suitable for bag type dust collectors. Their filtration efficiency is 1.7 to 2.4 times that of regular circular filters.

Standard round filter sleeve cage小图 1Circular cage is filter sleeve cages with a circular base, a circular top flange, and used for cylindrical filter bags.Material:  Aluminum
Raw steel S235JR
Pre-galvanized steel
AISI 304L stainless steel
AISI 316L stainless steel
number of vertical wires: 6-8-10-12-16-20-24
Various types of bag dust collectors, various industries
Round cage with venturi小图 2A Venturi tube is a conical device located at the top of a tubular filter bag. The top of the Venturi tube generates negative pressure, which pushes additional air downward into the filter element during pulsation.Circular cages with Venturi tubes are used in pulse jet dust collectors, the cement industry, and the food industry.
Round star-shaped cage小图 3The cages with inner star rings for filter sleeves are used in dust collectors and serve to increase the efficiency of dust collection through the filter sleeve. The nature of the star allows the filter bag to take on a pleated shape with a filter surface 1.7-2.4 times greater than a regular cylindrical filter.Material:  Aluminum
Raw steel S235JR
Pre-galvanized steel
AISI 304L stainless steel
AISI 316L stainless steel
number of vertical wires: 6, 8, 10
Various types of bag dust collector baghouse, various industries

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