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Industrial Filter Cages – Reliable Support for Your Filtration System

Discover XINLIAN's high-quality industrial filter cages designed for superior performance in dust collection, chemical processing, food & pharmaceutical industries. Explore standard and custom solutions with fast worldwide shipping.

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Introduction

Industrial Filter Cages Overview

Engineered to provide reliable structural support for industrial filter bags, our filter cages are manufactured with precision welding and high-strength steel every frame produced by our factory meets the requirements for sealing, surface smoothness, and verticality. ensure excellent dimensional accuracy, corrosion resistance, and long-term durability. They help maintain optimal filtration efficiency while extending the service life of filter bags in demanding dust collection systems.

Designed for baghouse dust collectors across industries such as cement, power generation, steel, mining, chemicals, and waste incineration, our industrial filter cages deliver consistent performance under high-temperature and high-dust operating conditions.

High-Precision Construction

Manufactured with automated welding technology, each filter cage features smooth, burr-free welds and precise dimensions to prevent filter bag abrasion and ensure a secure fit.

Superior Strength & Durability

Made from premium carbon steel, galvanized steel, or stainless steel, our cages offer excellent mechanical strength, corrosion resistance, and long service life in harsh industrial environments.

Optimized Filtration Performance

The rigid cage structure keeps filter bags fully expanded, promoting uniform airflow, reducing pressure drop, and improving dust collection efficiency throughout the filtration cycle.

Custom Designs for Every Application

Available in various diameters, lengths, wire configurations, venturi options, and surface treatments to match different baghouse systems and operating requirements, ensuring seamless installation and reliable performance.

PRODUCTS

Our Product Range of Industrial Filter Cages

XL offers a comprehensive selection of industrial filter cages in various materials, sizes, and surface treatments to match your baghouse or dust collector requirements. Below are our standard specifications.
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316 Filter Cage

316 stainless steel filter cage, designed for durability and corrosion resistance, ideal for chemical and pharmaceutical applications.

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Pleated Dust Collector Filter Cage

Explore our Pleated Dust Collector Filter Cage, designed for optimal filtration in industrial settings. Made from durable materials, it ensures high efficiency and low pressure drop.

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Industrial dust collector filter cage

Industrial Dust Collector Filter Cage

Explore our robust Industrial Dust Collector Filter Cage, designed for heavy-duty filtration in industrial settings. Ideal for large-scale manufacturing plants.

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Single-Piece Filter Cage

Discover our Single-Piece Filter Cage, designed for precision filtration in various industries. Made from durable materials, suitable for both small-scale and industrial applications.

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Standard Round Filter Cage

Discover our durable Standard Round Filter Cage, designed for long-lasting dust filtration in heavy-duty industries. Engineered for stability and corrosion resistance, compatible with various systems.

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Flat Filter Cage

Discover our high-efficiency Flat Filter Cage, designed for compact baghouses with premium steel wire for durability in cement, steel, power, and chemical industries.

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Single-Piece Filter Cage

Multi-Section Filter Cage

Discover our robust Multi-Section Filter Cage, designed for high-efficiency dust collection in industries like cement, power, and steel production.

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Finished Filter Cage

Discover our high-strength, corrosion-resistant finished filter cages, designed for extended bag life and optimal pulse cleaning in various industrial dust collection systems.

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Material & Surface

Material & Surface Treatment Options

Selecting the right material and finish is critical for maximizing the service life of your industrial filter cages. Below we break down the most common choices and their ideal applications.
01

Carbon Steel (Q235/Q195)

Cost-effective for moderate environments (≤300°C). Hot-dip galvanizing (HDG) provides excellent corrosion resistance for dry dust collection.
02

Stainless Steel 304

Good balance of corrosion resistance and mechanical strength. Suitable for food processing, pharmaceutical, and chemical industries where hygiene or mild acids are present.
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Stainless Steel 316L

Enhanced resistance to chlorides and harsh chemicals. Ideal for seawater, marine, or high-humidity environments. Can withstand up to 600°C in controlled atmospheres.
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Galvanized Steel (Electro or Hot Dip)

Offers a protective zinc layer at low cost. Electro-galvanizing gives a smooth finish for moderate moisture; hot-dip creates thicker coating for outdoor or abrasive conditions.
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Surface Anti-corrosion Process

High-temperature silicone coating, long-term temperature resistance 260–300℃, resistant to acid and alkali corrosion, perfectly matched with high-temperature dust removal systems.
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Surface Finish Comparison

Salt spray resistance (ASTM B117): HDG – 1000+ hrs, SS304 – 200+ hrs (passivated), Electro-galvanized – 72 hrs. Our standard specification ensures all cages meet or exceed industry norms.
Applications Across Industries

Wide Applications Across Industries

XL industrial filter cages are engineered to perform reliably in diverse operating conditions. Here are key industries we serve and the specific demands they place on filter cages.
WhatApp Customization

Requires high-strength cages to withstand pulse jet cleaning and abrasive dust. HDG or stainless steel recommended.

Exposure to acids, alkalis, and solvents demands SS316L or coated cages. Open-end cages with bottom ring for easy bag change.

Hygienic design with electropolished SS304 to prevent bacterial growth. Smooth welds and no sharp edges meet FDA standards.

Cleanroom-compatible cages with electropolished finish and custom venturi for uniform airflow. Full traceability and material certificates provided.

High-temperature stability (up to 450°C) and resistance to acidic flue gas. Often use SS304/316L with advanced coating.

Heavy-duty cages with thicker wire (4-5mm) to handle spark impacts. Galvanized finish for outdoor installations.

Long cage lengths (up to 6m) for deep tank filtration. SS316L with protective coating against hydrogen sulfide.

Offshore platforms require cages with high pressure rating and salt fog resistance. Often made of Hastelloy or duplex stainless steel (custom engineering).

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Customization

Custom Filter Cage Solutions

When standard sizes don't fit your filter bags or housing, XL's custom engineering team can design and produce tailor-made industrial filter cages to your exact specifications. Our streamlined process ensures fast turnaround and precision.
01

Consultation & Requirements Gathering

Share your bag dimensions, operating temperature, chemical exposure, and installation details. Our engineers provide material and surface finish recommendations.

02

Design & Drawing Approval

2D/3D CAD drawings with all tolerances, venturi style (if needed), and connection type (flanged, threaded, or drop-in). Client signs off before production.

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Prototype & Sample (for large orders)

We can produce a sample cage (usually 1-2 pcs) for fit testing. Lead time 5-7 working days.

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Mass Production

Advanced wire forming machines (CNC) and robotic welding ensure consistency. Production time depends on quantity and complexity, typically 15-25 working days for 500+ pcs.

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Quality Control

100% dimensional check, weld strength test, surface finish inspection (roughness or coating thickness). Optional third-party inspection (SGS, Bureau Veritas) available.

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Packaging & Logistics

Each cage is individually sleeved and bundled with protective spacers. Export wooden crates for sea freight, or carton boxes for air freight. We handle all documentation.

FAQ

Industrial Filter Cages FAQs FAQ

What is an industrial filter cage?
An industrial filter cage is the internal support structure used inside a filter bag in a baghouse dust collector. It keeps the filter bag fully expanded during operation, ensuring stable airflow, efficient dust filtration, and preventing the bag from collapsing under negative pressure.

Why is weld quality important for a filter cage?
Smooth, precision welds prevent sharp edges from damaging filter bags during installation and pulse-jet cleaning. High-quality welding reduces bag wear, minimizes replacement costs, and helps extend the overall service life of the filtration system.

Can filter cages be customized?
Yes. Filter cages can be customized in diameter, length, number of vertical wires, horizontal ring spacing, top and bottom designs, venturi type, surface treatment, and material to match your dust collector and filter bag specifications.

What surface treatments are available?
Common surface treatments include galvanized coating, silicone coating, epoxy coating, and stainless steel polishing. These treatments improve corrosion resistance, reduce wear, and increase the service life of the filter cage in demanding environments.

What materials are industrial filter cages made from?
Filter cages are commonly manufactured from carbon steel, galvanized steel, stainless steel (304/316), or other corrosion-resistant alloys. The material selection depends on operating temperature, humidity, corrosive gases, and application requirements.

What industries use industrial filter cages?
Industrial filter cages are widely used in cement plants, steel mills, power generation, waste incineration, chemical processing, mining, foundries, pharmaceuticals, food processing, and other industries that rely on baghouse dust collection systems.

How do I choose the right filter cage?
The correct filter cage depends on several factors, including the filter bag size, dust collector model, operating temperature, chemical environment, pulse-jet cleaning pressure, and airflow requirements. Providing your technical specifications allows manufacturers to recommend the most suitable design.

How long does an industrial filter cage last?
Service life varies according to operating conditions, temperature, dust characteristics, and maintenance practices. High-quality filter cages manufactured with premium materials and precision welding can provide many years of reliable performance under normal operating conditions.
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