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Help CenterCartridge Dust Filter for Welding Fume Extraction 350x660mm PTFE Coated 99.9%
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As a leading manufacturer with over 25 years of experience, Anping County Boli Hardware Wiremesh Products Factory is proud to introduce our high-performance Cartridge Dust Filter for Welding Fume Extraction (Model: 350x660mm, PTFE Coated, 99.9% efficiency). This product is designed to meet the rigorous demands of industrial welding environments, providing superior particulate capture and long service life. Our factory, established in 1998, exports to over 15 markets worldwide, including North America, Europe, and Southeast Asia, with annual export values exceeding US$5 million. We combine advanced manufacturing techniques with strict quality control to deliver reliable filtration solutions that protect your workers and equipment.
The cartridge filter features a robust PTFE coating on a high-quality polyester substrate, ensuring excellent release of dust cake and resistance to moisture and chemicals. With a filtration efficiency of 99.9% at 0.3–1.0 micron particles, it effectively captures welding fumes, smoke, and fine dust, contributing to a cleaner and safer workspace. The 350x660mm size is commonly used in portable fume extractors, central vacuum systems, and dust collector units.
Key Features & Benefits
- High Filtration Efficiency: 99.9% removal of welding fumes, smoke, and fine dust (0.3–1.0 μm), ensuring compliance with workplace air quality standards.
- PTFE Coated Surface: The PTFE membrane provides excellent dust release, preventing clogging and extending filter life. It also offers resistance to moisture and oil mists.
- Durable Construction: Made from premium polyester fiber with a rigid pleated design, the cartridge withstands high airflows and mechanical stress.
- Easy Maintenance: Cleanable via reverse pulse-jet or compressed air; the filter can be reused multiple times, reducing replacement costs.
- Wide Temperature Range: Suitable for continuous operation up to 150°C (customizable for higher temperatures).
- Versatile Compatibility: Fits most standard welding fume extractors and dust collectors with 350x660mm cartridge mounting.
Technical Specifications
| Parameter | Value |
| Filter Type | Cartridge (Pleated) |
| Outer Dimensions | 350mm (Diameter) × 660mm (Height) |
| Filtration Media | Polyester + PTFE Coating |
| Filtration Efficiency | ≥99.9% @ 0.3–1.0 μm |
| Maximum Operating Temperature | 150°C (continuous), higher on request |
| Airflow Capacity | Approx. 800–1200 m³/h (dependent on system) |
| Filter Area | ~8–10 m² (pleated design) |
| Color | White / Off-white (standard) |
Our cartridge filter is designed for easy installation and replacement. The rigid outer cage and durable gasket ensure a secure seal, preventing bypass leakage. The PTFE coating also reduces the risk of fire from spark-ignited dust, making it a safe choice for welding applications. Whether you need a single filter for a portable unit or bulk orders for a large central system, we offer flexible packaging and customization options.
Trusted by Global Customers
As a factory with over 25 years of history, Anping County Boli Hardware Wiremesh Products Factory has supplied millions of filters to clients across North America, South America, Europe, Africa, Oceania, and Asia. Our annual export value of US$5–10 million reflects our commitment to quality and reliability. We ship from multiple ports (Tianjin, Qingdao, Shanghai, Foshan) to ensure timely delivery. Our products are used in automotive workshops, shipbuilding, metal fabrication, and other industries where welding fume control is critical. We continuously invest in production technology to maintain consistent quality and competitive pricing.
We understand that air quality is a top priority for your business. Our cartridge dust filter not only meets but often exceeds the performance of OEM filters at a fraction of the cost. We offer samples for testing, technical support, and after-sales service. Contact us today for a quote or to discuss your specific requirements.
Frequently Asked Questions (FAQ)
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Q: What is the difference between PTFE-coated and standard polyester filters?
A: PTFE coating provides a non-stick surface that prevents dust from adhering to the fibers, allowing for better pulse-jet cleaning and longer filter life. It also improves moisture and chemical resistance compared to standard polyester. -
Q: Can this filter be washed with water?
A: We do not recommend water washing as it may damage the pleat structure. The filter is designed for dry pulse-jet cleaning. For heavily loaded filters, compressed air cleaning is preferred. -
Q: What is the typical lifespan of this cartridge filter?
A: Lifespan depends on application conditions (dust load, cleaning frequency, temperature). In typical welding fume extraction, with proper maintenance, it can last 6–12 months or longer. -
Q: Does it fit all welding fume extractors?
A: The 350x660mm size is a common standard. However, we recommend checking the mounting flange dimensions and gasket type. We can customize the gasket material (e.g., foam, rubber) or add a metal end cap if needed. -
Q: Is the filter suitable for use with stainless steel welding fumes?
A: Yes, the PTFE coating provides resistance to the chromium and nickel compounds found in stainless steel fume, but we advise ensuring the temperature does not exceed 150°C continuously. -
Q: Can I get a sample before bulk order?
A: Yes, we offer samples with freight collect. Contact our sales team to arrange a sample shipment. -
Q: What is the minimum order quantity (MOQ)?
A: Our MOQ is typically 50 pieces for standard sizes, but we can negotiate for smaller trial orders. Please inquire. -
Q: Do you provide certificates of quality?
A: We provide a factory inspection report and can arrange third-party testing upon request. As a manufacturer since 1998, we adhere to strict internal quality controls.
Ready to improve your welding fume extraction efficiency? Contact Anping Boli today for pricing, technical advice, or a custom solution. Our team is ready to support you.
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