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Help CenterStainless Steel Spiral Punched Tube for Pharmaceutical Filtration, 316L, 0.3mm Holes, CIP Compatible
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As a trusted manufacturer since 1998, Anping County Boli Hardware Wiremesh Products Factory brings decades of precision engineering to the pharmaceutical industry. Our Stainless Steel Spiral Punched Tube in grade 316L with 0.3 mm holes is designed specifically for demanding filtration applications where purity, cleanability, and durability are non-negotiable. This CIP-compatible tube offers a robust solution for solid-liquid separation, catalyst recovery, and sterile filtration, ensuring consistent performance and easy integration into existing systems.
Manufactured from high-quality 316L stainless steel, our spiral punched tube provides excellent corrosion resistance and mechanical strength. The spiral design enhances flow distribution and reduces pressure drop, while the precisely punched 0.3 mm holes offer reliable particle retention. Whether used in pharmaceutical reactors, centrifuges, or filter housings, this tube meets the stringent requirements of cGMP environments.
Key Features & Benefits
- 316L Stainless Steel Construction: Superior resistance to corrosion, pitting, and chemical attack, ideal for pharmaceutical and bioprocess applications.
- 0.3 mm Punched Holes: Consistent, burr-free perforations ensure precise filtration and easy cleaning.
- Spiral Design: Optimized flow dynamics reduce clogging and extend service life while maintaining high throughput.
- CIP Compatibility: Smooth interior and exterior surfaces allow thorough cleaning-in-place without disassembly, reducing downtime and contamination risk.
- Customizable Dimensions: Available in various lengths, diameters, and end configurations to fit your specific equipment.
- High Mechanical Strength: Withstands high differential pressures and thermal cycling, ensuring long-term reliability.
- Low Maintenance: Durable construction minimizes replacement frequency, lowering total cost of ownership.
Technical Specifications
| Parameter | Value |
|---|---|
| Material | 316L Stainless Steel (UNS S31603) |
| Hole Diameter | 0.3 mm ± 0.05 mm |
| Hole Pattern | Staggered, uniform spiral |
| Wall Thickness | 1.0 mm – 2.5 mm (customizable) |
| Open Area | Approx. 15% – 25% (depending on pattern) |
| Surface Finish | RA ≤ 0.8 μm (electropolished optional) |
| Operating Temperature | Up to 400°C (inert atmosphere) |
| CIP Compatibility | Yes, compatible with standard CIP protocols |
| End Connections | Tri-clamp, flanged, threaded, or welded (custom) |
Our spiral punched tube is manufactured using advanced CNC punching and roll-forming technology, ensuring precise hole geometry and consistent spacing. The 316L grade offers excellent weldability and resistance to intergranular corrosion, making it suitable for high-purity applications. The spiral configuration not only improves mechanical strength but also allows for efficient backwashing and cleaning, which is critical in pharmaceutical processes where product changeover and sterilization are frequent.
The 0.3 mm hole size is carefully selected to balance filtration efficiency with flow capacity. It effectively retains particles down to 300 microns while maintaining a low pressure drop. This makes the tube ideal for use in filter cartridges, pre-filters, and support grids for membrane filtration. Additionally, the CIP compatibility means the tube can be cleaned in place using hot water, caustic, or acid solutions without removal, saving valuable production time.
We offer a wide range of customizations, including tube length (from 100 mm to 3000 mm), outer diameter (from 20 mm to 200 mm), and end fittings. Each tube is individually inspected for dimensional accuracy, hole integrity, and surface finish. Our quality control processes ensure that every product meets the exacting standards of the pharmaceutical industry.
With over 25 years of manufacturing experience, Anping County Boli Hardware Wiremesh Products Factory is a reliable partner for global pharmaceutical companies. Our annual export value exceeds US$5 million, and we serve markets across North America, Europe, Asia, and beyond. Our factory is located in Hengshui, Hebei, China, providing easy access to major ports like Tianjin, Qingdao, and Shanghai for efficient shipping.
We are committed to delivering products that enhance your process efficiency and product quality. By choosing our 316L spiral punched tube, you benefit from decades of expertise, rigorous quality control, and responsive customer service. Contact us today to discuss your specific requirements or request a quote. We are ready to support your pharmaceutical filtration needs with tailor-made solutions.
Frequently Asked Questions
Q1: What is the typical lead time for custom spiral punched tubes?
A: Depending on quantity and complexity, lead time ranges from 15 to 30 working days after order confirmation. We can provide expedited options for urgent requirements.
Q2: Can the tube be used with high-viscosity fluids?
A: Yes, the spiral design and smooth surface help reduce fouling, making it suitable for moderate-viscosity fluids. For very high viscosity, we recommend consulting our engineering team for optimized hole size and pattern.
Q3: Is the tube suitable for sterile filtration processes?
A: The 316L material and smooth finish support steam sterilization (autoclaving) and SIP (steam-in-place). However, for absolute sterile filtration, it is typically used as a pre-filter or support layer in combination with membrane filters.
Q4: How do I clean the tube after use?
A: The tube is CIP compatible. You can use standard cleaning agents such as 1% NaOH, 0.5% HNO3, or hot water at 80°C. For stubborn deposits, ultrasonic cleaning is also effective.
Q5: Can you provide a certificate of material compliance?
A: Yes, we can provide mill test reports (MTR) for the 316L stainless steel material upon request. Additional documentation such as surface finish reports is also available.
Q6: What are the minimum order quantity (MOQ) for custom tubes?
A: For standard sizes, MOQ is 10 pieces. For fully custom dimensions, MOQ may be 50 pieces. We can discuss small trial orders for sample evaluation.
Q7: How do I ensure the tube fits my existing filter housing?
A: Please provide your housing dimensions, including inner diameter, length, and end connection type. We will manufacture the tube to match your specifications. We can also provide CAD drawings for approval before production.
Q8: What is the maximum operating pressure for this tube?
A: The pressure rating depends on wall thickness, tube diameter, and end connections. For a typical 50 mm diameter tube with 1.5 mm wall, the burst pressure exceeds 20 bar. Please contact us with your specific requirements for an accurate calculation.
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