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Help Center304 Stainless Steel Spiral Punched Tube, 0.5mm-2.0mm Hole Diameter for Industrial Filtration
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Welcome to Anping County Boli Hardware Wiremesh Products Factory, a trusted manufacturer established in 1998 with an annual export value exceeding US$5 million. Our 304 Stainless Steel Spiral Punched Tube is designed for demanding industrial filtration applications, offering precise hole diameters from 0.5mm to 2.0mm. This product combines durability, corrosion resistance, and uniform flow distribution, making it an ideal solution for liquid and gas filtration systems. With decades of experience and a global footprint across North America, Europe, Asia, and beyond, we deliver high-quality, customizable filtration components that meet your exact specifications.
Our spiral punched tubes are manufactured from premium 304 stainless steel, ensuring excellent resistance to rust, chemicals, and high temperatures. The spiral design enhances structural integrity while allowing for efficient media flow. Whether you need a fine mesh for particle separation or a larger opening for high-flow applications, we offer flexible hole diameters (0.5mm–2.0mm) and can customize tube length, wall thickness, and end connections to suit your system. Below is a detailed overview of the product specifications and advantages.
Key Features & Technical Specifications
| Feature | Specification |
| Material | 304 Stainless Steel (equivalent to 1.4301) |
| Hole Diameter Range | 0.5mm, 0.8mm, 1.0mm, 1.2mm, 1.5mm, 2.0mm (custom sizes available) |
| Tube Wall Thickness | 0.5mm – 2.0mm (customizable) |
| Tube Length | Up to 6 meters per piece (custom lengths available) |
| Hole Pattern | Spiral (continuous helical pattern) – ensures uniform distribution |
| Surface Finish | Mill finish, degreased, or passivated (optional) |
| End Connections | Plain ends, threaded, flanged, or welded flanges – customizable |
| Operating Temperature | Up to 800°C (in non-corrosive environments) |
Benefits of Using 304 Stainless Steel Spiral Punched Tube:
- High Corrosion Resistance: 304 stainless steel provides excellent protection against oxidation, mild acids, and alkaline media, ensuring long service life in harsh industrial environments.
- Uniform Flow Distribution: The spiral hole pattern creates a consistent open area, reducing pressure drop and improving filtration efficiency.
- Enhanced Mechanical Strength: The spiral design reinforces the tube structure, allowing it to withstand high internal pressure and mechanical stress without deformation.
- Versatile Applications: Suitable for water treatment, oil & gas, chemical processing, food & beverage, pharmaceutical, and mining industries.
- Customizable Dimensions: We can adjust hole size, tube length, wall thickness, and end fittings to match your existing equipment or design requirements.
- Easy Cleaning & Maintenance: Smooth surface finish reduces fouling and facilitates backwashing or chemical cleaning.
Detailed Product Advantages for Industrial Filtration:
- Fine Particle Removal: Hole diameters as small as 0.5mm enable precise filtration of particles down to 0.5mm, suitable for pre-filtration or polishing steps.
- High Flow Capacity: Larger hole options (up to 2.0mm) allow high flow rates while maintaining adequate filtration, ideal for coarse screening or slurry separation.
- Spiral Pattern vs. Straight Hole: The spiral arrangement minimizes clogging and provides a more uniform flow path compared to traditional straight perforations.
- Compatibility with Media: Can be used as a support tube for filter bags, filter cartridges, or wrapped with mesh layers for multi-stage filtration.
- Weldability: 304 stainless steel is easy to weld and fabricate, enabling integration into complex filtration systems.
Our manufacturing facility in Hengshui, Hebei, China, is equipped with advanced punching and forming machinery, ensuring consistent quality and tight tolerances. Each tube undergoes strict quality control checks, including hole size measurement, dimensional accuracy, and surface inspection. We ship from major ports such as Tianjin, Qingdao, Shanghai, and Foshan, with reliable logistics to worldwide destinations.
Trust & Credibility: With over 26 years of experience (since 1998), Anping County Boli Hardware Wiremesh Products Factory has exported to North America, South America, Europe, Africa, Oceania, and Asia. Our annual export value of US$5–10 million reflects the trust and satisfaction of global clients. We are committed to delivering high-quality products at competitive prices, with on-time delivery and responsive customer service. Choose our 304 Stainless Steel Spiral Punched Tube for your industrial filtration needs – contact us today for a quote or technical consultation.
Frequently Asked Questions (FAQ)
- Q: What is the difference between spiral punched tube and traditional perforated tube? A: Spiral punched tubes have holes arranged in a continuous helical pattern, which provides more uniform flow distribution, reduces clogging, and improves structural strength compared to straight rows of holes.
- Q: Can I get custom hole diameters other than 0.5mm–2.0mm? A: Yes, we can produce hole diameters outside this range upon request, subject to tooling availability and minimum order quantity. Please contact our sales team with your specific requirements.
- Q: What is the maximum tube length you can produce? A: Standard lengths are up to 6 meters per piece. Longer lengths can be made by welding multiple sections, but we recommend consulting with our engineers for optimal design.
- Q: Is the tube suitable for food-grade applications? A: 304 stainless steel is generally considered food-safe. However, for food contact applications, we recommend passivation or electropolishing surface treatment to meet hygiene standards. We can provide a surface finish accordingly.
- Q: Do you offer end connections like flanges or threads? A: Yes, we can customize end connections including plain ends, male/female threads, weld-on flanges, or slip-on flanges. Please specify your requirements when ordering.
- Q: How do you ensure the hole diameter accuracy? A: We use precision punching dies and conduct random sampling inspection with calibrated gauges. Tolerances are typically within ±0.05mm for hole diameter.
- Q: What is the minimum order quantity (MOQ)? A: MOQ varies by size and complexity. For standard sizes, MOQ is typically 100 pieces. For custom dimensions, please inquire.
- Q: Can you provide samples for testing? A: Yes, we offer sample tubes (usually 300mm length) for a nominal fee, which is refundable upon bulk order. Shipping cost is at buyer's expense.
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