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Help CenterWelded Cylindrical Filter Tube, 304L SS, 0.8mm Slot Width, 200mm Length, 2.5mm Wire Diameter, Standard Compliant
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As a trusted manufacturer since 1998, Anping County Boli Hardware Wiremesh Products Factory offers high-quality Welded Cylindrical Filter Tube made of 304L stainless steel. This product is designed to deliver reliable filtration performance in demanding industrial environments. With a precise 0.8mm slot width and 2.5mm wire diameter, it ensures consistent particle retention while maintaining excellent flow rates. Our factory, based in Hengshui, Hebei, China, has an annual export value of US$5-10 million and serves markets across North America, Europe, Asia, and beyond.
The welded cylindrical construction provides superior strength and durability, making it suitable for high-pressure and high-temperature applications. Each tube is manufactured to strict standards, ensuring dimensional accuracy and long service life. Whether you need filtration for water treatment, oil refining, chemical processing, or food & beverage production, this filter tube is a reliable solution.
Key Features & Technical Specifications
- Material: 304L stainless steel – excellent corrosion resistance and weldability.
- Slot Width: 0.8 mm – ideal for fine particle filtration (approx. 200 mesh equivalent).
- Wire Diameter: 2.5 mm – provides robust mechanical strength.
- Tube Length: 200 mm – customizable lengths available upon request.
- Welding Process: TIG welding – ensures smooth, strong joints without contamination.
- Surface Finish: Pickled and passivated for enhanced corrosion resistance.
- End Connections: Plain ends, threaded, or flanged options (customizable).
- Operating Temperature: Up to 450°C (842°F) in oxidizing environments.
- Pressure Rating: Typically up to 10 bar (145 psi) depending on size and assembly.
| Parameter | Value |
| Outer Diameter | Available from 25 mm to 200 mm (custom) |
| Slot Arrangement | Continuous spiral or axial slots |
| Filtration Grade | ~80 microns (based on 0.8mm slot width) |
| Compliance | Meets international filtration standards |
Benefits to Your Application
- High Efficiency: The 0.8mm slot width effectively traps particles while minimizing pressure drop.
- Long Service Life: 304L SS resists rust, pitting, and chemical attack, reducing replacement frequency.
- Easy Cleaning: Surface can be backwashed or chemically cleaned for reuse.
- Versatile Installation: Compatible with standard filter housings and custom assemblies.
- Cost-Effective: Durable construction lowers total cost of ownership over time.
Our filter tubes are widely used in municipal water treatment, petrochemical refining, pharmaceutical production, food & beverage processing, and mining slurry filtration. The 304L grade offers added resistance to intergranular corrosion after welding, ensuring integrity in harsh environments.
Why Choose Anping Boli?
With over 25 years of experience in wire mesh manufacturing, we have exported to more than 20 countries and maintain an annual export volume of US$5-10 million. Our production facility is equipped with advanced welding and testing equipment, ensuring every filter tube meets strict quality control standards. We ship from major ports including Tianjin, Qingdao, Shanghai, and Foshan, offering flexible logistics solutions.
We provide customization services for length, diameter, slot width, and end connections. Our technical team can assist you in selecting the optimal specification for your specific process. Free samples are available for evaluation, and we offer competitive pricing for bulk orders.
Contact us today to discuss your filtration requirements. Let our reliable products and decades of expertise support your success.
Frequently Asked Questions (FAQ)
- Q: What is the difference between 304 and 304L stainless steel? A: 304L has lower carbon content (max 0.03%) which reduces the risk of carbide precipitation during welding, making it more suitable for welded applications where corrosion resistance is critical.
- Q: Can I get a custom tube length? A: Yes, we offer custom lengths from 100 mm to 3000 mm. Please provide your required dimensions for a quotation.
- Q: Is the filter tube reusable after cleaning? A: Absolutely. The welded metal structure is designed for repeated cleaning via backwashing, ultrasonic cleaning, or chemical agents, depending on the fouling material.
- Q: What is the maximum operating temperature? A: For 304L SS in air, the recommended maximum continuous temperature is about 450°C (842°F). In corrosive environments, lower temperatures may be advised.
- Q: Do you provide end caps or threading? A: Yes, we can supply plain ends, threaded ends (NPT/BSP), or welded flanges. Options are customizable.
- Q: How do I choose the correct slot width? A: The slot width should be slightly smaller than the minimum particle size you want to retain. For example, 0.8mm slots retain particles larger than ~80 microns. Our engineers can help you select based on your slurry analysis.
- Q: What is the typical lead time? A: For standard sizes, lead time is 10-15 working days. Custom orders may require 20-25 working days, depending on quantity and complexity.
- Q: Do you have quality certifications? A: Our factory follows strict internal quality control procedures. Specific certifications are available upon request and can be discussed with our sales team.
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