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Help Center316L Stainless Steel Spiral Screen Tube 20mm OD 100 Micron Filtration 2m Long
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As a leading manufacturer with over 25 years of expertise, Anping County Boli Hardware Wiremesh Products Factory proudly presents our 316L Stainless Steel Spiral Screen Tube – a precision-engineered filtration solution designed for demanding industrial applications. With a 20mm outer diameter, 100 micron filtration rating, and 2m length, this spiral screen tube offers exceptional strength, corrosion resistance, and uniform flow distribution. Our factory, established in 1998 and exporting US$5–10 million annually to markets worldwide, ensures every product meets rigorous quality standards.
This spiral screen tube is manufactured using high-quality 316L stainless steel, which provides superior resistance to chlorides, acids, and high-temperature environments compared to standard 304. The spiral (wedge wire) construction creates a continuous slot opening that prevents clogging and allows for easy backwashing. The 100 micron slot size is ideal for fine filtration in water treatment, petrochemical, food & beverage, and pharmaceutical processes.
Key Features & Technical Specifications
- Material: 316L stainless steel – excellent corrosion resistance and durability.
- Outer Diameter: 20mm (0.787 inch) – compact design for tight spaces.
- Length: 2 meters (6.56 feet) – standard length, customizable upon request.
- Filtration Micron: 100 micron (0.004 inch) – precise slot opening for consistent particle removal.
- Design: Spiral wound wedge wire – reduces pressure drop and enhances self-cleaning capability.
- End Connections: Available in plain ends, threaded, flanged, or custom options.
- Weld Quality: Continuous longitudinal seam welding ensures leak-proof performance.
| Parameter | Value |
| Material Grade | 316L Stainless Steel |
| Outer Diameter | 20 mm (±0.2 mm) |
| Slot Opening | 100 micron (0.10 mm) |
| Length | 2000 mm (2 m) |
| Wire Profile | V-shaped wedge wire (inlet width 0.10 mm) |
| Maximum Operating Temperature | Up to 450°C (842°F) in oxidizing environments |
| Connections | Plain ends (standard); threaded, flanged, or custom |
Advantages & Customer Benefits
- High Filtration Efficiency: The 100 micron slot opening ensures consistent particle removal, protecting downstream equipment and improving product quality.
- Long Service Life: 316L stainless steel offers excellent resistance to pitting, crevice corrosion, and stress corrosion cracking, even in harsh chemical or marine environments.
- Easy Maintenance: The spiral wedge wire design allows for simple backwashing or chemical cleaning, reducing downtime and operational costs.
- Customizable: We can produce tubes with different OD (10mm–100mm), lengths, micron ratings (50–2000 micron), and end connections to match your specific system requirements.
- Cost-Effective: As a direct manufacturer, we offer competitive pricing without compromising on quality. Our annual export volume of US$5–10 million reflects global trust.
- Reliable Supply: With decades of production experience and a strong supply chain, we ensure timely delivery from Tianjin, Qingdao, Shanghai, or Foshan ports.
Our spiral screen tubes are widely used in water well screens, oil & gas filtration, chemical processing, food & beverage strainers, and wastewater treatment. The 20mm OD is particularly suitable for small-diameter filter housings or as a pre-filter element in multi-stage systems.
Trust & Reliability
Anping County Boli Hardware Wiremesh Products Factory has been a trusted manufacturer since 1998. We export to North America, South America, Europe, Asia, Africa, and Oceania, serving industries that demand precision and durability. Our factory employs advanced CNC winding machines and skilled technicians to ensure consistent slot tolerances and smooth surfaces. We have passed internal quality audits and can provide material test certificates upon request. Partner with us to experience the combination of competitive pricing, flexible customization, and reliable after-sales support.
Contact us today for a quote or technical consultation. We are ready to help you find the perfect 316L stainless steel spiral screen tube for your filtration needs.
Frequently Asked Questions
- What is the difference between a spiral screen tube and a perforated tube? The spiral screen tube uses a wedge wire profile wound around support rods, creating a continuous slot that is less prone to clogging and provides higher open area for better flow. Perforated tubes have round holes that can trap particles.
- Can I order a different length or OD? Yes, we offer full customization. Minimum order quantity may apply, but we can produce various outer diameters (10mm–100mm) and lengths up to 6 meters. Contact us with your requirements.
- How do I clean the screen tube? Backwashing with water or air is typically sufficient. For stubborn deposits, chemical cleaning with mild acids or alkaline solutions is recommended. The 316L material tolerates most cleaning agents.
- Is this tube suitable for high-pressure applications? The working pressure depends on the tube diameter, wall thickness, and end connections. For standard 20mm OD with 2mm wire, typical burst pressure is above 100 bar. Please provide your pressure and temperature conditions for a specific recommendation.
- What types of end connections are available? Standard options include plain ends (for welding or compression fittings), NPT/BSP threaded ends, flanged ends (ANSI/DIN), and custom machining. We can also add internal threads or grooves.
- Do you provide samples before bulk order? Yes, we can produce samples for your evaluation. Sample cost and shipping are negotiable, and we will deduct the sample cost from the first bulk order.
- What is the typical lead time? For standard sizes, 7–15 days after order confirmation. For customized products, 15–25 days depending on complexity. We can expedite urgent orders.
- Can you provide a material certificate? Yes, a mill test certificate (MTC) for 316L stainless steel is available upon request, confirming chemical composition and mechanical properties.
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