Galvanized steel filter bag cages are essential structural components in dust collector systems, serving as the internal framework that supports filter bags during the filtration process. The galvanization—either through hot-dip galvanizing or electro-galvanizing—provides a protective zinc coating, which significantly enhances the cage’s corrosion resistance, extends its service life, and prevents rust formation even in humid or chemically active environments.
Galvanized filter bag cages are widely used in industrial dust collection systems, especially in environments where cost-efficiency, moderate corrosion resistance, and mechanical strength are prioritized. Common application scenarios include:
These cages are often paired with polyester, acrylic, or aramid filter bags depending on the specific temperature and chemical exposure conditions.
| Feature | Benefit |
|---|---|
| Zinc-Coated Protection | Prevents oxidation and corrosion, suitable for humid or mildly acidic environments |
| Cost-Effective | More affordable than stainless steel cages while providing adequate durability |
| Compatibility | Works with most dust collector models and filter bag materials |
| Customizable Design | Available in various configurations (top/bottom load, snap band, venturi) |
| Extended Service Life | Zinc layer acts as a sacrificial coating, delaying base metal corrosion |
| Lightweight and Strong | Easy to install and remove during maintenance, yet strong enough for industrial applications |
| Item | Details |
|---|---|
| Material | Carbon Steel with Hot-Dip or Electro-Galvanized Coating |
| Wire Diameter | 3.0 – 5.0 mm (customizable) |
| Number of Vertical Wires | 8 / 10 / 12 / 16 / 20 (depending on cage diameter and design) |
| Surface Treatment | Hot-Dip Galvanized / Electro-Galvanized |
| Operating Temperature | Up to 250°C (depending on filter bag compatibility) |
| Cage Types | Round, Star, Oval, Split-Type, Double Venturi |
| Connection Type | Collar, Flange, Ring, Venturi (optional) |
| Length Range | 500 mm – 6000 mm |
| Welding Type | Spot Welding / Seam Welding |
| Corrosion Resistance | Moderate (Better than plain carbon steel, less than SS304/SS316) |
For industries seeking a reliable, economical, and corrosion-resistant support structure for filter bags, Galvanized Steel Filter Bag Cages are an ideal solution. Their versatility, enhanced by zinc coating protection, makes them suitable for a broad range of dust filtration applications while maintaining cost-efficiency and operational durability.
