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Help Center304 Stainless Steel Flange, 0.5 Micron Filtration, 350°C Heat Resistant Polyester Flange-Clamp Air Filter
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Welcome to Anping County Boli Hardware Wiremesh Products Factory – a dedicated manufacturer since 1998, with annual export sales exceeding US$5 million. We specialize in high-performance filtration solutions and are proud to present our 304 Stainless Steel Flange, 0.5 Micron Filtration, 350°C Heat Resistant Polyester Flange-Clamp Air Filter. This product combines robust stainless steel construction with advanced polyester media to deliver exceptional filtration efficiency and thermal stability, making it an ideal choice for demanding industrial and HVAC applications.
Our air filter is engineered to withstand extreme operating conditions. The 304 stainless steel flange provides excellent corrosion resistance and structural integrity, while the polyester filter media offers a high dirt-holding capacity and can tolerate continuous exposure to temperatures up to 350°C (662°F). With a filtration rating of 0.5 microns, it effectively captures fine particles, dust, pollen, and other airborne contaminants, ensuring cleaner air output and prolonged equipment life.
Key Features & Technical Specifications
- Material: 304 Stainless Steel flange (corrosion-resistant) + heat-resistant polyester filter media.
- Filtration Efficiency: 0.5 micron particle retention (≥99.9% for particles above 0.5 µm).
- Temperature Resistance: Continuous operation up to 350°C (662°F).
- Connection Type: Flange-clamp design for easy installation and secure sealing.
- Customizable Dimensions: Available in various sizes to fit your system – contact us for custom requirements.
- Low Pressure Drop: Optimized media structure minimizes airflow resistance, saving energy.
- Reusable & Cleanable: Polyester media can be cleaned and reused, reducing replacement costs.
- Wide Application: Suitable for industrial ventilation, dust collection, HVAC systems, paint booths, and high-temperature air filtration.
| Parameter | Specification |
|---|---|
| Filter Media | 100% Heat-Resistant Polyester |
| Flange Material | 304 Stainless Steel |
| Filtration Rating | 0.5 Micron |
| Max Operating Temperature | 350°C (662°F) |
| Connection Method | Flange-Clamp |
| Standard Frame Thickness | 20mm / 25mm / Custom |
| Available Sizes (mm) | 300×300, 400×400, 500×500, 600×600, or custom sizes |
Why Choose Our 304 Stainless Steel Flange Air Filter?
Unlike standard air filters that degrade quickly under high heat, our filter is specifically designed for harsh environments. The 304 stainless steel flange ensures no rust or corrosion over time, while the polyester media maintains its structural integrity and filtration performance even at 350°C. This translates to longer service intervals, reduced downtime, and lower total cost of ownership.
The flange-clamp design simplifies installation and replacement – no special tools required. It provides a tight seal that prevents bypass leakage, ensuring all air passes through the filter media. This is critical for applications requiring high cleanliness levels, such as food processing, pharmaceutical manufacturing, and chemical plants.
Additionally, our filter is energy-efficient. The carefully engineered media structure offers lower pressure drop compared to traditional glass fiber filters, saving fan energy and reducing operational costs. And because the polyester media can be cleaned (e.g., by compressed air backwashing or washing), it extends the product lifespan and reduces waste.
Company & Product Assurance
Founded in 1998, Anping County Boli Hardware Wiremesh Products Factory has over two decades of experience in manufacturing wire mesh and filtration products. With an annual export value of US$5–10 million, we serve customers across North America, South America, Europe, Southeast Asia, Africa, Oceania, the Middle East, and more. Our products are shipped from major Chinese ports including Tianjin, Qingdao, Shanghai, and Foshan, ensuring timely delivery worldwide.
We are committed to quality control – every filter undergoes rigorous inspection for dimensional accuracy, filtration efficiency, and temperature resistance. Our factory is equipped with advanced testing equipment to guarantee consistent performance. We also offer customization services for size, flange hole pattern, and gasket material to meet your specific requirements.
By choosing our 304 Stainless Steel Flange Air Filter, you are investing in a reliable, long-lasting solution backed by a manufacturer with a proven track record. We invite you to contact us for a quotation or to discuss your project needs. Let us help you achieve cleaner air and higher efficiency in your operations.
Frequently Asked Questions (FAQ)
-
Q: What is the maximum temperature this filter can handle?
A: The filter is designed for continuous operation up to 350°C (662°F). For short-term spikes, it can withstand slightly higher temperatures, but to maintain optimal performance, we recommend staying within the rated limit. -
Q: Can I clean and reuse the filter?
A: Yes, the polyester media is washable and cleanable. You can use compressed air (back-flushing) or gentle water washing. Allow it to dry completely before reinstalling. Cleaning frequency depends on the dust load; typically, it can be cleaned multiple times before replacement is needed. -
Q: What sizes are available?
A: We offer standard sizes such as 300×300mm, 400×400mm, 500×500mm, and 600×600mm, as well as custom sizes. Please provide your required dimensions and flange hole pattern for a tailored solution. -
Q: Is the flange made of 304 stainless steel? Can I get other materials?
A: Yes, the standard flange is 304 stainless steel. If you need a different grade (e.g., 316L) or alternative materials, we can discuss customization options upon request. -
Q: What is the filtration efficiency for 0.5 micron particles?
A: The filter achieves ≥99.9% efficiency for particles ≥0.5 microns, based on typical test standards. Actual efficiency may vary slightly depending on airflow velocity and dust loading conditions. -
Q: What is the pressure drop across the filter?
A: The initial pressure drop is low (typically 50–150 Pa depending on size and airflow). For precise values, please contact us with your specific airflow requirements. -
Q: How do I install the flange-clamp filter?
A: The filter features a flange with pre-drilled holes and a clamp mechanism. Align the flange with your duct or housing, insert bolts, and tighten the clamp. A gasket can be provided for enhanced sealing. Installation is straightforward and does not require special tools. -
Q: What is the typical lead time for orders?
A: For standard sizes, lead time is usually 15–25 days after order confirmation. Custom sizes may require 25–35 days. We ship via sea, air, or express as per your preference.
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