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As a trusted manufacturer since 1998, Anping County Boli Hardware Wiremesh Products Factory specializes in producing high-quality Spiral Welded Stainless Steel Filter Tubes designed for demanding industrial filtration applications. With an annual export value of US$5–10 million and a global reach spanning North America, Europe, Asia, and beyond, our factory combines decades of engineering expertise with advanced spiral welding technology to deliver filter tubes that offer superior strength, precise filtration, and long service life. Whether you need to separate solids from liquids in water treatment, process chemicals, or protect equipment in oil and gas systems, our filter tubes are the reliable solution.
Our spiral welded stainless steel filter tubes are manufactured using a continuous V-shaped wire wrapped around a support rod, forming a robust, self-cleaning structure. The spiral welding process ensures a uniform slot opening and high mechanical strength, making these tubes ideal for applications where backwashing, high pressure, or corrosive media are present. Available in stainless steel grades 304 and 316L, diameters from 25mm to 500mm, and slot widths from 0.1mm to 5mm, each tube can be customized to your exact specifications.
- Exceptional Strength & Durability: The spiral welded design provides excellent resistance to deformation under high pressure and temperature, ensuring long-term performance in harsh environments.
- Precise Filtration Efficiency: Continuous V-shaped slots create a precise gap that effectively filters particles while minimizing clogging. Slot widths are held to tight tolerances (±0.02mm) for consistent results.
- Self-Cleaning Capability: The wedge wire profile allows particles to be easily dislodged during backwashing, reducing maintenance downtime and extending service life.
- Corrosion & Chemical Resistance: Made from premium stainless steel, our tubes withstand aggressive chemicals, high salinity, and acidic or alkaline environments.
- Customizable Dimensions: Diameter, length, slot width, end connections (threaded, flanged, or plain), and surface finish can be tailored to your specific system requirements.
- High Open Area: The spiral design provides a high open area ratio, ensuring maximum flow capacity with minimal pressure drop.
- Wide Application Range: Suitable for water filtration, oil & gas separation, chemical processing, food & beverage, mining, and pulp & paper industries.
| Parameter | Available Range |
|---|---|
| Outer Diameter | 25 mm – 500 mm |
| Length | 500 mm – 6000 mm |
| Slot Width | 0.1 mm – 5 mm |
| Material | SS304, SS316L (other grades available on request) |
| Connection Type | Threaded (NPT/BSP), Flanged, Plain End |
| Max Operating Temperature | Up to 400°C (depending on material) |
| Max Operating Pressure | Up to 50 bar (dependent on diameter and wall thickness) |
Each spiral welded stainless steel filter tube undergoes rigorous quality control checks during production, including slot width measurement, pressure testing, and visual inspection. Our factory is equipped with advanced CNC wire welding machines and experienced technicians who ensure every tube meets the highest standards of precision and durability. With over 25 years of manufacturing experience, we have served clients in diverse industries, providing reliable filtration solutions that reduce operational costs and improve process efficiency.
Choose Anping Boli for your industrial filtration needs. Our factory is dedicated to delivering products that combine innovative design, robust construction, and cost-effective pricing. With a multi-million dollar export history and a global distribution network, we are confident in our ability to meet your requirements. Contact us today for a quote or to discuss your custom specifications. Our team of engineers is ready to provide technical support and recommend the optimal filter tube configuration for your application.
Frequently Asked Questions (FAQ)
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Q: What is the typical lifespan of a spiral welded stainless steel filter tube?
A: The lifespan depends on the operating conditions (pressure, temperature, chemical exposure, and cleaning frequency). In most industrial filtration applications, our tubes last 5–10 years or more with proper maintenance. The robust stainless steel construction resists wear and corrosion, extending service life. -
Q: Can I get custom dimensions or slot widths?
A: Yes. We offer full customization of outer diameter, length, slot width, end connections, and surface finish. Please provide your specific requirements, and our engineering team will design a tube that fits your system perfectly. -
Q: How do I clean the filter tube?
A: The spiral design with V-shaped slots allows for effective backwashing, chemical cleaning, or mechanical cleaning (e.g., high-pressure water jet). The smooth surface resists particle adhesion, making cleaning quick and efficient. -
Q: What types of fluids can be filtered with this tube?
A: The tube is suitable for a wide range of liquids and gases, including water (fresh, sea, wastewater), chemicals (acids, alkalis, solvents), oils, hydrocarbons, and food-grade liquids. Always verify material compatibility with the specific fluid. -
Q: Do you provide samples for testing?
A: Yes, we can provide small samples or pilot-scale tubes for field testing. Contact us with your application details, and we will recommend a suitable sample size and slot width. -
Q: What is the maximum pressure rating?
A: The maximum operating pressure depends on the tube diameter, wall thickness, and material grade. Typically, our tubes handle up to 50 bar. For higher pressure requirements, we can design reinforced tubes. Please consult our technical team. -
Q: How long does delivery take?
A: For standard sizes and materials, delivery is usually 15–25 working days. Custom orders may require 25–40 working days depending on complexity. We ship from Tianjin, Qingdao, Shanghai, or Foshan ports. -
Q: Can you provide a certificate of material compliance?
A: Yes, we can issue a material test report (MTR) for the stainless steel used, upon request. This is standard practice for our export orders.
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