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Welcome to Anping County Boli Hardware Wiremesh Products Factory, a trusted manufacturer with over 25 years of expertise in filtration solutions. Since 1998, we have been dedicated to producing high-performance filter bags for global industries. Our 260°C Needle Felt Triangular Filter Bag with 3 Micron Filtration is engineered to withstand extreme temperatures while delivering precise dust capture. This product combines innovative triangular geometry with advanced needle felt technology, offering you a reliable, long-lasting, and efficient filtration solution for your dust collector system.
The triangular shape is not just a design choice—it maximizes the filter surface area within the same housing volume, leading to higher dust holding capacity and lower pressure drop. The 3-micron filtration rating ensures that even fine particles are captured, making it ideal for industries such as cement, mining, metallurgy, chemical processing, and power generation. Whether you are retrofitting an existing baghouse or designing a new system, this filter bag is a versatile and cost-effective choice.
Key Features & Technical Specifications
- High-Temperature Resistance: Continuous operation up to 260°C (500°F), with peak surges up to 280°C (536°F) for short periods.
- Triangular Design: Increases effective filtration area by 25–35% compared to round bags of the same diameter, reducing the number of bags needed per collector.
- 3 Micron Filtration: Achieves a filtration efficiency of >99.9% for particles ≥3 microns, meeting stringent emission standards.
- Needle Felt Construction: Provides excellent dust cake release and low pressure drop, prolonging bag life and reducing maintenance costs.
- Reinforced Cuffs & Seams: Double-stitched with high-temperature thread to prevent leakage at connection points.
- Chemical Resistance: Resistant to common acids, alkalis, and organic solvents within the operating temperature range.
- Customizable Dimensions: Available in a variety of lengths, widths, and triangle side lengths to fit your specific dust collector housing.
| Parameter | Value |
| Continuous Operating Temperature | 260°C (500°F) |
| Short-Term Peak Temperature | 280°C (536°F) |
| Filtration Precision | 3 micron |
| Filtration Efficiency | ≥99.9% at 3 μm |
| Material Options | Polyester, Aramid (Nomex), Polyimide (P84), PTFE, or blended fiber |
| Bag Weight | 500–800 g/m² (customizable) |
| Thickness | 1.5–2.5 mm (customizable) |
| Shape | Triangular (equilateral, right-angle, or custom profile) |
| Available Colors | Gray, white, or as per your requirement |
Advantages Over Traditional Round Filter Bags
- More Filter Area per Unit Volume: The triangular profile allows packing more bags in the same housing, or using fewer bags to achieve the same flow rate—saving both space and cost.
- Improved Dust Release: The flat sides of the triangle facilitate better pulse-jet cleaning, reducing residual dust cake and extending bag life.
- Lower Pressure Drop: With increased surface area and efficient cleaning, the pressure drop across the bag is typically 15–20% lower than round bags of similar permeability.
- Enhanced Mechanical Strength: The triangular shape provides inherent rigidity, reducing bag collapse and abrasion during operation.
- Easy Installation & Replacement: The triangular bags are designed to fit snugly into corresponding triangular cell plates, ensuring a tight seal without additional gaskets.
Applications
This filter bag is suitable for a wide range of high-temperature dust collection applications, including but not limited to:
- Coal-fired power plants (boiler baghouses)
- Cement kiln and clinker cooling
- Steel, iron, and non-ferrous metal smelting
- Chemical reactors and dryers
- Glass and ceramic furnaces
- Incinerators and waste-to-energy plants
- Asphalt mixing plants
- Wood processing and biomass combustion
Why Choose Anping County Boli Hardware Wiremesh Products Factory?
Since 1998, we have been a reliable partner for filtration solutions worldwide. Our factory is located in Hengshui, Hebei, China—the “Wire Mesh Capital” of the country—giving us access to premium raw materials and skilled craftsmanship. With an annual export value of US$5–10 million, we serve markets across North America, South America, Europe, Southeast Asia, Africa, Oceania, the Middle East, and Asia. Our filters are shipped from major ports including Tianjin, Qingdao, Shanghai, and Foshan, ensuring fast and cost-effective logistics.
We understand that every dust collection system is unique. That’s why we offer custom sizes, materials, and finishes to meet your exact requirements. Our team of engineers will work with you to design the optimal filter bag for your process conditions. All products undergo rigorous quality checks before shipment, including dimensional accuracy, temperature tolerance, and filtration efficiency testing.
Contact us today to discuss your needs or request a sample. We are confident that our 260°C Needle Felt Triangular Filter Bag will exceed your expectations in performance, durability, and value. Let us help you achieve cleaner emissions and lower operating costs.
Frequently Asked Questions (FAQ)
-
What is the maximum continuous temperature this filter bag can withstand?
The bag is designed for continuous operation up to 260°C (500°F). Short-term spikes up to 280°C (536°F) are acceptable, but prolonged exposure above 260°C may reduce bag life. -
Can I use this bag for dust with sticky or hygroscopic properties?
Yes, the needle felt structure and proper surface treatment can be customized to handle sticky or moisture-prone dust. We recommend adding a PTFE or silicone coating for improved release. Please consult our technical team. -
How does the triangular shape affect the cleaning cycle?
The triangular bag provides a larger filtration area and more uniform dust cake distribution, which often leads to more efficient pulse-jet cleaning and a longer interval between cleaning cycles. -
Do you offer custom dimensions and materials?
Absolutely. We can manufacture bags in any triangular size, length, and material (polyester, aramid, P84, PTFE, etc.) to match your housing dimensions and operating conditions. Just provide the required specifications. -
What is the typical lifespan of these filter bags?
Lifespan depends on operating conditions (temperature, dust composition, cleaning frequency). Under normal conditions, you can expect 1–3 years of service. Proper maintenance can extend it further. -
Are these bags resistant to acids and alkalis?
The standard polyester needle felt has good resistance to weak acids and alkalis. For aggressive chemical environments, we recommend upgrading to aramid or PTFE felt, which offers superior chemical resistance. -
What is the minimum order quantity (MOQ)?
Our MOQ is typically 50 pieces for standard sizes, but we can accommodate smaller trial orders for new customers. For large quantities, we offer volume discounts. -
How do I install a triangular bag in my existing round baghouse?
Triangular bags are designed for triangular cell plates. If your existing baghouse has round holes, you may need to replace the cell plates or use adapters. We can advise on the best retrofit solution.
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