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Help Center304L Stainless Steel Fiber Felt Filter Bag, 0.2mm Wire Diameter, 1200°C Max Temp, Gas Filtration
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Anping County Boli Hardware Wiremesh Products Factory, established in 1998, is a professional manufacturer with over 20 years of experience in producing high-quality wire mesh and filtration products. With an annual export value of US$5–10 million, we serve global markets including North America, South America, Europe, Asia, Africa, and Oceania. Our 304L Stainless Steel Fiber Felt Filter Bag is engineered for demanding gas filtration applications where high temperature resistance and durability are critical. Featuring a 0.2mm wire diameter and a maximum operating temperature of 1200°C, this filter bag offers excellent thermal stability, corrosion resistance, and efficient particulate capture.
This product is manufactured using advanced sintering or needle-punching technology, which bonds 304L stainless steel fibers into a uniform, porous felt structure. The result is a filter medium that combines high mechanical strength with low pressure drop, making it ideal for hot gas filtration in industries such as metallurgy, chemical processing, cement, and waste incineration. Below we provide detailed technical specifications and key features.
Technical Specifications
| Parameter | Value |
| Material | 304L Stainless Steel Fiber |
| Wire Diameter | 0.2 mm |
| Maximum Operating Temperature | 1200°C (continuous) |
| Felt Thickness | 1.0 – 3.0 mm (customizable) |
| Filtration Grade | 5 – 50 μm (customizable) |
| Shape | Bag, Cylinder, or Custom |
| Surface Treatment | Sintered / Needle Punched |
Key Features & Benefits
- Exceptional High-Temperature Resistance: Withstands continuous operation up to 1200°C, suitable for extreme hot gas filtration environments.
- Superior Corrosion Resistance: 304L stainless steel offers excellent resistance to oxidation and many chemical attacks, extending service life.
- High Filtration Efficiency: The uniform fiber structure captures fine particles down to 5 microns, meeting stringent emission standards.
- Low Pressure Drop: Open porous structure allows high gas flow with minimal energy loss, reducing operational costs.
- Reusable & Cleanable: Filter bags can be cleaned by back-pulsing, ultrasonic cleaning, or simple washing, making them cost-effective over time.
- Customizable Dimensions: Available in various sizes, thicknesses, and filtration grades to match specific equipment requirements.
- Mechanical Strength: Needle-punched or sintered construction ensures high tensile strength and resistance to mechanical stress.
Typical Applications
- Hot gas filtration in metallurgical furnaces (steel, non-ferrous metals)
- Chemical processing: fluidized bed reactors, catalytic cracking
- Cement and lime kiln exhaust gas cleaning
- Waste incineration flue gas treatment
- Coal-fired power plant baghouse filters
- Industrial dust collection in high-temperature environments
Why Choose Our 304L Stainless Steel Fiber Felt Filter Bag?
As a manufacturer with over 20 years of expertise, we control every step of production from raw material selection to final quality inspection. Our annual export volume of US$5–10 million demonstrates global trust in our products. We ship from major Chinese ports (Tianjin, Qingdao, Shanghai, Foshan) and serve markets across North America, Europe, Asia, Africa, and Oceania. Each filter bag is carefully tested for temperature resistance, filtration efficiency, and mechanical properties before leaving our factory.
We understand that every application has unique requirements. That’s why we offer customizable solutions including different thicknesses, diameters, lengths, and filtration grades. Our engineering team is ready to assist with technical recommendations and sample testing. Contact us today to discuss your project and experience the reliability of our 304L Stainless Steel Fiber Felt Filter Bag.
Frequently Asked Questions (FAQ)
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Q: What is the maximum temperature this filter bag can withstand?
A: It can operate continuously at up to 1200°C. For short-term peaks, it can tolerate slightly higher temperatures, but we recommend staying within the rated limit for optimal lifespan. -
Q: Can this filter bag be used in oxygen-rich environments?
A: 304L stainless steel has good oxidation resistance, but in extremely high oxygen concentrations above 800°C, please consult our engineers for specific recommendations. -
Q: How do I clean the filter bag?
A: The bag can be cleaned by back-pulse air, ultrasonic cleaning, or gentle washing with water. Avoid using strong acids or alkalis that may damage the stainless steel fiber. -
Q: What is the typical lifespan of this filter bag?
A: Lifespan depends on operating conditions such as temperature, chemical exposure, and cleaning frequency. Under normal conditions, it can last from 1 to 3 years or more. -
Q: Can you customize the bag dimensions and filtration grade?
A: Yes, we offer customization. Please provide your required size, thickness, and target particle size, and we will produce accordingly. -
Q: Is the filter bag resistant to thermal shock?
A: The sintered structure provides good thermal shock resistance, but rapid temperature changes should be avoided to prevent mechanical stress. -
Q: What is the minimum order quantity?
A: MOQ depends on specifications. For standard sizes, we can start with small quantities. Please contact us for details. -
Q: How do I install the filter bag in my existing system?
A: We provide installation guidelines and can recommend suitable cages or support structures. Custom designs are available for different baghouse configurations.
Anping County Boli Hardware Wiremesh Products Factory – your reliable partner in high-temperature filtration solutions. With our proven track record and global shipping network, we are committed to delivering quality products that meet your exact needs. Contact us today for a quote or technical consultation!
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