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Corrosion-Resistant Dust Filter Cage for Spray Painting

The dust filter cage is a core accessory of bag-type dust collectors, widely applied in industrial dust removal scenarios like woodworking and spray painting. Made of carbon steel, stainless steel or corrosion-resistant coated materials, it provides rigid support for filter bags, preventing bag collapse under airflow pressure. It ensures unobstructed air circulation, maintains stable filtration performance, and extends filter bag service life. Featuring simple structure, easy installation and high durability, it is a key component to improve the overall efficiency of dust removal systems.

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Product Overview


The Corrosion-Resistant Dust Filter Cage is a high-performance dust collection component designed for spray painting workshops, manufactured by Botou Xintian Environmental Protection Equipment Co., Ltd.—an ISO9001-certified enterprise specializing in environmental protection equipment. This Spray Painting Dust Filter Cage features a corrosion-resistant coating and high-strength structure, perfectly matching filter bags to capture paint mist and dust efficiently. It solves the problem of filter cage corrosion and deformation in humid, paint-rich environments, ensuring long-term stable operation of dust collection systems. As a premium Anti-Corrosion Paint Shop Filter Cage, it is favored by B-end customers in automotive, furniture, and metal coating industries for its durability and compatibility.


Corrosion-Resistant Dust Filter Cage for Spray Painting


Core Competitive Advantages


Premium Anti-Corrosion Coating Technology

The filter cage is treated with electrophoretic painting + powder coating, forming a double anti-corrosion layer with a thickness of ≥80 μm. This layer resists corrosion from paint solvents, humidity, and chemical agents, ensuring no rust or peeling even in harsh spray painting environments. The coating meets international environmental standards, with no harmful substance emissions.


High-Strength Structural Design

Adopting robot welding technology, the filter cage’s vertical and horizontal wires are welded firmly, with a tensile strength of ≥350 MPa. The reasonable spacing of vertical wires (10-20 mm) ensures the filter bag’s stability, preventing deformation or damage during filtration and ash cleaning. The open-top and bottom designs enhance air circulation and dust discharge efficiency.


Perfect Compatibility with Filter Bags

Precision machining ensures the filter cage’s diameter tolerance is ≤±0.5 mm, achieving a tight fit with various filter bags (e.g., polyester, PTFE). This compatibility maximizes filtration efficiency, reduces air leakage, and extends the service life of filter bags by 20%.


Lightweight & Easy Replacement

Made of high-quality low-carbon steel, the filter cage is lightweight (5-15 kg) while maintaining strength, making installation and replacement quick and labor-saving. The standardized design allows for batch replacement, reducing maintenance time and costs for B-end customers.


Key Technical Specifications


Parameter

Specification

Model

XTCF-D28/XTCF-D16

Diameter

110-160 mm

Length

1000-6000 mm

Number of Vertical Wires

8-16 pcs

Wire Diameter

Vertical: 3.0-4.0 mm; Horizontal: 2.0-2.5 mm

Coating Type

Electrophoretic painting + powder coating

Material (Base Metal)

Low-carbon steel Q235

Tensile Strength

≥350 MPa

Coating Thickness

≥80 μm

Installation Type

Top-mounted / Bottom-mounted


Application Scenarios


Automotive Spray Painting Workshops

Suitable for dust collection systems in automotive body painting lines, capturing paint mist and dust generated during pre-treatment and topcoat processes. The anti-corrosion design adapts to the humid environment of spray booths.


Furniture & Wood Product Paint Shops

Ideal for filtering paint mist from wooden furniture, doors, and windows. It prevents paint particles from adhering to the filter cage, ensuring continuous operation of dust collection equipment.


Metal Product Spray Coating Lines

Applied in spray coating of metal sheets, hardware, and electrical components. The high-strength structure withstands frequent ash cleaning (pulse jet cleaning), maintaining stable performance.


Industrial Coating & Finishing Factories

Widely used in coating processes of appliances, medical equipment, and mechanical parts. The compatible design matches various filter bags, meeting different filtration requirements.


Customization Service


We offer flexible customization to adapt to diverse B-end production needs:

Size Customization: Diameter (110-160 mm) and length (1000-6000 mm) can be tailored to match filter bags and dust collector specifications.

Coating Customization: Optional anti-static coating or high-temperature coating (up to 260℃) for special working environments.

Wire Specification Customization: Adjust wire diameter and number of vertical wires based on filter bag type and working pressure.

End Plate Customization: Customize end plate material (steel plate or aluminum alloy) and hole pattern to match dust collector installation requirements.


Why Choose Us


Robot Welding & Precision Manufacturing

Our filter cages are produced using advanced robot welding workstations, ensuring uniform welds, high structural strength, and consistent product quality. The strict quality control process eliminates defective products.


ISO9001 Quality Control & Traceability

Each filter cage is marked with a unique serial number, enabling full-process quality traceability. We adhere to ISO9001 standards, from raw material procurement to finished product delivery, ensuring reliable performance.


One-Stop Dust Collection Solution Support

Beyond providing filter cages, we offer integrated solutions including dust collector matching, filter bag selection, and system optimization, helping B-end customers improve overall dust collection efficiency and reduce costs.


Cost-Effective & Long Service Life

The double anti-corrosion coating and high-strength structure extend the filter cage’s service life to 3-5 years, reducing replacement frequency and total ownership costs. Our direct sales model eliminates intermediaries, offering competitive prices for B-end customers.


FAQs
  • What materials are available for the dust filter cage?
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    We offer carbon steel with electrostatic coating and 304/316 stainless steel. Coated steel is cost-effective and corrosion-resistant, while stainless steel provides superior durability in high-temperature or acidic environments. You can choose based on your dust type and working conditions.
  • How long is the service life of your filter cage?
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    Under normal industrial conditions, our coated filter cages can last 3–5 years, and stainless steel models 5–8 years or more. The actual lifespan depends on factors like temperature, humidity, dust abrasiveness, and maintenance frequency.
  • Can you customize the size of the dust filter cage?
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    Yes, we provide full customization. Common diameters range from 110–160 mm, and lengths from 0.5–6 m. We can also make star-shaped, oval, or other special structures according to your baghouse model and filter bag specifications.
  • How to choose the right filter cage for my dust collector?
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    Please provide the model of your baghouse, filter bag size (diameter and length), working temperature, dust properties (abrasive, corrosive), and installation method. Our engineers will recommend the most suitable material, coating, and structure for your application.
  • What is the MOQ and lead time for dust filter cages?
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    Our MOQ is usually 50 pieces, but we can accept smaller trial orders for new customers. The standard lead time is 7–15 working days, depending on the order quantity and customization requirements. Rush orders can be arranged upon request.
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 Telephone: +86-187-1379-6222
 WhatsApp: +8613785726449
 Phone: +86-317-8301268
 Email: btxthb@china-xintian.cn
 Address: Siying Development Zone, Botou City, Hebei Province, CHINA 061000
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