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Help Center304 Stainless Steel Helically Perforated Tube 0.5mm-2mm Wall Thickness for Filtration
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Welcome to Anping County Boli Hardware Wiremesh Products Factory – a trusted manufacturer since 1998, specializing in high-quality filtration solutions. Our 304 Stainless Steel Helically Perforated Tube with wall thickness ranging from 0.5mm to 2mm is engineered to deliver exceptional performance in demanding filtration applications. With over two decades of experience and an annual export value exceeding US$5 million, we provide precision-crafted tubes that combine durability, corrosion resistance, and uniform flow distribution. Whether you need a standard size or a custom design, our product ensures reliable filtration and long service life.
This helically perforated tube is manufactured using advanced spiral slotting technology, creating a continuous helical pattern that maximizes open area while maintaining structural integrity. The 304 stainless steel material offers excellent resistance to oxidation, chemicals, and high temperatures, making it ideal for water treatment, food processing, chemical filtration, and oil & gas applications. Each tube is carefully inspected to meet rigorous quality standards, ensuring consistent slot dimensions and smooth edges that prevent clogging and enhance cleaning efficiency.
Key Features & Technical Specifications
- Material: 304 stainless steel (AISI 304) – excellent corrosion resistance and weldability.
- Wall Thickness: 0.5mm, 0.8mm, 1.0mm, 1.2mm, 1.5mm, 2.0mm – available for various pressure requirements.
- Perforation Pattern: Helical (spiral) slots – continuous, precise, and self-cleaning design.
- Slot Width: 0.1mm to 3.0mm (customizable) – tailored to your filtration micron rating.
- Open Area: Up to 60% – high flow capacity with minimal pressure drop.
- Length: Custom lengths from 100mm to 6000mm, with end finishes (plain, threaded, flanged, or grooved).
- Surface Finish: Pickling, passivation, or mirror polish – optional upon request.
| Parameter | Range / Options |
|---|---|
| Outer Diameter | 20mm - 300mm |
| Wall Thickness | 0.5mm / 0.8mm / 1.0mm / 1.2mm / 1.5mm / 2.0mm |
| Slot Width | 0.1mm - 3.0mm (custom) |
| Pitch (Center-to-Center) | 3mm - 15mm (custom) |
| Length | 100mm - 6000mm (±1mm tolerance) |
| End Connection | Plain, threaded (NPT/BSP), flanged, or grooved |
Benefits to Your Application
- High Filtration Precision: The helical slot design ensures uniform particle retention and minimizes blinding.
- Excellent Durability: 304 stainless steel withstands harsh environments, extending service life and reducing replacement costs.
- Easy Cleaning & Maintenance: Smooth slot surfaces and open structure allow backwashing or chemical cleaning with ease.
- Customizable Dimensions: We offer flexible sizing to fit your existing equipment – no need for adapters.
- Cost-Effective: Competitive pricing without compromising quality, backed by our efficient production line.
Our helically perforated tubes are widely used in industries such as water treatment (filtration, desalination, sewage), food & beverage (juice filtration, beer brewing), chemical processing (catalyst recovery, solvent filtration), oil & gas (sand control, well screens), and mining (dewatering, slurry separation). With a global presence spanning North America, South America, Europe, Asia, Africa, and Oceania, we have earned the trust of hundreds of clients worldwide.
Frequently Asked Questions (FAQ)
-
Q: What is the material grade of your helically perforated tube?
A: It is made of 304 stainless steel (AISI 304), which offers good corrosion resistance and mechanical properties. Other grades like 316L are available upon request. -
Q: Can I customize the slot width and pitch?
A: Yes. Slot width can be customized from 0.1mm to 3.0mm, and pitch from 3mm to 15mm. Please provide your specific filtration requirements. -
Q: What is the minimum order quantity (MOQ)?
A: For standard sizes, MOQ is 50 pieces. For custom specifications, MOQ may vary – please contact our sales team for details. -
Q: How do you ensure the quality of the perforations?
A: We use CNC-controlled helical slotting machines and conduct 100% inspection on slot dimensions, burr condition, and concentricity. Samples can be provided before mass production. -
Q: What end finishes are available?
A: We offer plain ends, threaded (NPT or BSP), flanged, and grooved ends. Custom ends can be produced based on your drawings. -
Q: Are these tubes suitable for high-pressure filtration?
A: Yes, with wall thickness up to 2mm and 304 stainless steel strength, they can withstand moderate to high pressure. For specific pressure ratings, please consult our engineers. -
Q: Can you provide samples for testing?
A: Yes, we provide free samples (shipping cost may apply) for evaluation. Please contact us to arrange. -
Q: What is the typical lead time?
A: For standard sizes, lead time is 10-15 working days. For custom orders, 20-30 working days depending on complexity and quantity.
Trust Anping County Boli Hardware Wiremesh Products Factory – with over 25 years of manufacturing experience, an annual export value of US$5-10 million, and a strong presence in 15+ global markets, we are your reliable partner for filtration components. Our products are shipped via major ports including Tianjin, Qingdao, Shanghai, and Foshan, ensuring timely delivery. We are committed to providing high-quality 304 stainless steel helically perforated tubes that meet your exact specifications. Contact us today for a quote or technical consultation – let us help you optimize your filtration system.
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