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Help Center2205 Duplex Straight Seam Welded Screen Tube 0.25mm Slot 3m Length Chemical Processing Filter
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As a leading manufacturer based in Anping County, Hebei, China, Anping County Boli Hardware Wiremesh Products Factory has been dedicated to producing high-quality filtration solutions since 1998. With an annual export value of US$5-10 million and a global footprint spanning North America, Europe, Southeast Asia, and beyond, we bring decades of expertise to every product. Our 2205 Duplex Straight Seam Welded Screen Tube with a precision 0.25mm slot and 3-meter length is specifically engineered for demanding chemical processing filtration applications. This tube combines the superior corrosion resistance of duplex stainless steel with robust welded construction, ensuring long service life and reliable performance in aggressive environments.
Our screen tubes are manufactured using advanced straight seam welding technology, which provides a smooth, uniform surface and consistent slot dimensions. The 0.25mm slot width is ideal for fine particle separation in chemical filtration, while the 3-meter length reduces the number of joints required, simplifying installation and maintenance. Each tube undergoes rigorous quality control to ensure dimensional accuracy and weld integrity, making it a trusted choice for chemical plants, refineries, and water treatment facilities.
Key Features & Technical Specifications
- Material: 2205 Duplex Stainless Steel (UNS S32205) – offers excellent resistance to chloride stress corrosion cracking and high strength.
- Slot Width: 0.25 mm ±0.02 mm – ensures precise filtration for chemical processing.
- Length: 3 meters (customizable lengths available upon request).
- Welding Process: Straight seam welded – provides a smooth, uniform seam with no gaps, reducing clogging risk.
- Application: Designed for chemical processing filter elements, catalyst recovery, solvent filtration, and acid/alkali solutions.
- Surface Finish: Pickled and passivated for enhanced corrosion resistance; other finishes available upon request.
- End Connections: Plain ends as standard; threaded or flanged ends optional.
| Parameter | Value |
|---|---|
| Material Grade | 2205 Duplex (UNS S32205) |
| Slot Width | 0.25 mm |
| Length | 3 m |
| Outer Diameter | Customizable (e.g., 50mm, 60mm, 80mm) |
| Welding Type | Straight Seam Welded |
| Maximum Operating Temperature | Up to 300°C (depending on medium) |
| Pressure Rating | Moderate (consult factory for high-pressure applications) |
The 2205 duplex material offers nearly double the yield strength of 316L stainless steel, allowing for thinner wall sections and reduced weight without sacrificing durability. The straight seam welding process minimizes internal stress and provides a consistent slot profile, ensuring uniform filtration across the entire length. With a slot width of 0.25mm, this screen tube effectively retains particles down to 250 microns, making it suitable for fine chemical filtration, catalyst recovery, and liquid-solid separation tasks.
For chemical processing facilities, the ability to withstand corrosive media such as sulfuric acid, phosphoric acid, and chlorides is critical. The 2205 duplex stainless steel delivers outstanding resistance to pitting and crevice corrosion, significantly extending the service life compared to standard austenitic grades. Additionally, the 3-meter length reduces the number of connection points, which lowers the risk of leakage and simplifies system design. Customizable outer diameters and end connections allow for easy integration into existing filter housings.
Trust & Reliability from a Proven Manufacturer
With over 25 years of manufacturing experience, Anping County Boli Hardware Wiremesh Products Factory has built a reputation for quality and reliability. We export annually between US$5 million and US$10 million to markets across six continents, including North America, Europe, Southeast Asia, and the Middle East. Our factory in Hengshui, Hebei, is equipped with modern welding and testing equipment, and we follow strict quality control procedures at every stage of production. Each 2205 duplex screen tube is inspected for dimensional accuracy, weld integrity, and slot uniformity before shipment.
We understand that chemical processing applications demand consistency and dependability. That is why we offer flexible customization options, including different diameters, end finishes, and surface treatments, to meet your specific requirements. Our experienced team is ready to provide technical support and fast response times, with shipping ports in Tianjin, Qingdao, Shanghai, and Foshan. We invite you to experience the quality that has made us a trusted partner for filtration professionals worldwide.
Contact us today to discuss your chemical processing filtration needs. Our 2205 Duplex Straight Seam Welded Screen Tube is available in standard 3m lengths and can be customized upon request. Let us help you optimize your filtration system with a solution that combines strength, corrosion resistance, and precision filtration.
Frequently Asked Questions (FAQ)
Q: What is the maximum temperature this screen tube can withstand?
A: The 2205 duplex material can typically operate up to 300°C in continuous service, but the exact limit depends on the chemical medium and pressure conditions. For specific applications, please consult our technical team.
Q: Can I get tubes with different slot widths?
A: Yes, we offer custom slot widths ranging from 0.1mm to 1.0mm based on your filtration requirements. Please contact us with your specifications.
Q: Are the tubes suitable for high-pressure applications?
A: While the standard design is suitable for moderate pressure, we can customize the wall thickness and end connections to handle higher pressures. Please provide your operating parameters for a tailored solution.
Q: How do you ensure the 0.25mm slot accuracy?
A: We use precision laser cutting and welding fixtures, followed by 100% visual inspection and random sampling with feeler gauges to ensure slot tolerance within ±0.02mm.
Q: What surface finish options are available?
A: Standard finish is pickled and passivated. We also offer electropolishing, mirror polish, or as-welded finish upon request.
Q: Can you provide tubes with flanged ends?
A: Yes, we can supply flanged ends, threaded ends, or plain ends based on your specifications. Custom end connections are available.
Q: What is the minimum order quantity (MOQ)?
A: Our MOQ is typically 50 pieces for standard sizes, but we can accommodate smaller trial orders for new customers. Please inquire.
Q: How long does shipping take to North America?
A: Shipping from our ports (Tianjin, Qingdao, Shanghai, or Foshan) to North America typically takes 25-35 days by sea. Expedited options are available upon request.
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