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Help CenterTriangular Needle Felt Filter Bag, 500g/m², 150°C Max Temperature, 99.9% Filtration Efficiency for Dust Collector
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As a leading manufacturer from Anping County Boli Hardware Wiremesh Products Factory (established 1998, annual export value US$5-10 million), we proudly present our Triangular Needle Felt Filter Bag. Designed for high-performance dust collection, this bag combines a robust 500g/m² weight with a maximum operating temperature of 150°C, achieving 99.9% filtration efficiency. Its unique triangular shape optimizes surface area for better dust capture and easier cleaning, making it an ideal solution for various industrial applications. We are committed to delivering durable, reliable filtration products that meet the rigorous demands of global markets, including North America, Europe, and Asia.
Product Features & Technical Specifications
- High Filtration Efficiency: 99.9% at 1-5 micron particle size ensures minimal dust emission, helping you meet environmental regulations.
- Temperature Resistance: Continuous operation up to 150°C (peak 160°C), suitable for hot gas filtration in cement, steel, and chemical industries.
- Durable Needle Felt Construction: 500g/m² weight provides excellent mechanical strength, abrasion resistance, and dimensional stability.
- Triangular Shape Design: Increases effective filtration area by up to 30% compared to round bags, reducing pressure drop and energy consumption.
- Low Maintenance: Smooth surface and anti-static options available; easy to install and clean via pulse-jet or reverse air systems.
- Customizable Dimensions: Length, diameter, and cuff style can be tailored to your specific dust collector model.
| Parameter | Value |
|---|---|
| Material | Polyester Needle Felt (optional PTFE coating) |
| Weight | 500 g/m² ± 5% |
| Max. Continuous Temperature | 150°C |
| Filtration Efficiency | ≥99.9% |
| Air Permeability | 8–15 m³/m²/min |
| Tensile Strength (Warp/Weft) | ≥800 N / 5 cm |
| Shape | Triangular |
Our triangular filter bags are extensively used in cement plants, steel mills, incinerators, chemical processing, and food processing where high-temperature dust collection is required. The needle felt structure ensures excellent cake release and low residual pressure drop, extending bag life and reducing operational costs. Each bag undergoes strict quality control to ensure consistent performance.
With over 25 years of manufacturing experience (since 1998), Anping Boli has exported to 30+ countries across North America, Europe, Asia, Africa, and Oceania, with annual export value exceeding US$5 million. Our triangular filter bags are trusted by global clients for their reliability, durability, and cost-effectiveness. We offer flexible shipping from Tianjin, Qingdao, Shanghai, and Foshan ports, with customized packaging to protect your goods. Choose our triangular needle felt filter bag to optimize your dust collection system and achieve cleaner emissions. Contact us today for a quote or sample.
Frequently Asked Questions (FAQ)
-
Q: What is the maximum temperature this bag can withstand?
A: The continuous operating temperature is 150°C, with short-term peaks up to 160°C. For higher temperature applications, we recommend PTFE-coated or other specialty felts available upon request. -
Q: Can I get custom dimensions?
A: Yes, we offer custom sizes including length, diameter, and cuff type. Please provide your dust collector specifications, and we will tailor the bag accordingly. -
Q: Is this bag suitable for fine dust like cement or fly ash?
A: Absolutely. With 99.9% efficiency at 1–5 microns, it effectively captures fine particles in cement, coal, biomass, and metalworking industries. -
Q: How do I clean this filter bag?
A: It is compatible with pulse-jet cleaning, reverse air, or shaker systems. The triangular shape enhances cleaning effectiveness by allowing easy dust release. -
Q: What is the typical lifespan of these bags?
A: Lifespan depends on operating conditions, but with proper maintenance, they can last 1–3 years. Our 500g/m² weight provides excellent durability. -
Q: Does the bag have anti-static properties?
A: A standard version is available. For flammable dust, we recommend adding conductive fibers or PTFE coating as an option. -
Q: Are samples available for testing?
A: Yes, we can provide free samples. You only need to pay for shipping. Contact us for details. -
Q: What certifications do you have?
A: Our factory follows strict quality management systems. Relevant certifications can be provided upon request. Please inquire for specific needs.
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