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Help CenterStainless Steel Spiral Punched Tube Used in Chemical Reactor Internals, 316L, 2.0mm Thickness, 100mm Length, 3mm Slotted Holes
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Welcome to Anping County Boli Hardware Wiremesh Products Factory — a trusted manufacturer since 1998 with annual export value of US$5–10 million, serving global markets including North America, Europe, Asia, and Oceania. We proudly present our Stainless Steel Spiral Punched Tube made of premium 316L grade, designed specifically for chemical reactor internals. This product combines precise engineering with robust corrosion resistance to ensure reliable performance in harsh environments. With a thickness of 2.0mm, length of 100mm, and 3mm slotted holes, it is an ideal choice for gas-liquid distribution, catalyst support, and filtration applications.
Key Features & Technical Specifications
- Superior Material: 316L stainless steel offers excellent resistance to chlorides, acids, and high temperatures, making it suitable for aggressive chemical media.
- Precision Punched Slots: 3mm slotted holes are uniformly distributed along the spiral pattern, ensuring optimal flow distribution and minimal pressure drop.
- Durable Construction: 2.0mm wall thickness provides structural integrity for high-pressure and high-temperature reactor conditions.
- Customizable Dimensions: Length, slot size, and spiral pitch can be tailored to your reactor design requirements.
- Spiral Design Advantage: The spiral punched structure enhances mixing efficiency and prevents clogging compared to straight tubes.
| Parameter | Value |
| Material | 316L Stainless Steel |
| Thickness | 2.0 mm |
| Length | 100 mm |
| Slot Size | 3 mm (slotted holes) |
| Slot Pattern | Spiral (punched) |
| Application | Chemical reactor internals (distributor, support, filter) |
| Surface Finish | Matte/pickled, optional passivation |
Detailed Product Advantages
- Enhanced Reactor Efficiency: The spiral punched tube design promotes uniform fluid distribution, improving mass transfer and reaction yield.
- Long Service Life: 316L's low carbon content minimizes carbide precipitation during welding, reducing corrosion risk in high-temperature chlorinated environments.
- Easy Installation & Maintenance: Lightweight yet strong, the tube can be easily integrated into existing reactor internals. Slotted holes reduce blockage and simplify cleaning.
- Cost-Effective Solution: Compared to custom-machined parts, our punched tube offers a balance of performance and economy, especially for bulk orders.
- Quality Assurance: Each batch is inspected for dimensional accuracy, slot uniformity, and material certification. We provide test reports upon request.
Trust & Company Strength
Established in 1998, Anping County Boli Hardware Wiremesh Products Factory has over two decades of experience in manufacturing precision metal components. With an annual export value of US$5–10 million, we supply to clients across North America, Europe, Southeast Asia, Africa, and Oceania. Our factory is located in Hengshui, Hebei—China's hardware wire mesh hub—giving us access to high-quality raw materials and skilled labor. We ship from major ports including Tianjin, Qingdao, Shanghai, and Foshan, ensuring timely global delivery.
We understand that reactor internals demand exacting standards. That's why we offer customizable options for length, thickness, slot size, and material grade (including 304, 316L, 321, etc.). Our team can also provide samples for testing before mass production. Contact us today to discuss your project requirements and receive a competitive quotation. Let Boli be your reliable partner for chemical processing equipment.
Frequently Asked Questions
Q1: What is the typical application of this spiral punched tube?
A: It is commonly used as a gas/liquid distributor, catalyst support grid, or filter element inside chemical reactors, especially in processes involving corrosive media at elevated temperatures.
Q2: Can you provide tubes with different slot sizes or lengths?
A: Yes, we offer customization. Slot size can range from 1mm to 10mm, length from 50mm to 2000mm, and thickness from 1.0mm to 5.0mm. Please specify your requirements.
Q3: Is the tube suitable for high-pressure reactors?
A: Our 2.0mm thick 316L tube can withstand typical reactor pressures up to 10 bar (depending on diameter and support structure). For higher pressures, thicker material or additional reinforcement may be needed.
Q4: What is the minimum order quantity (MOQ)?
A: MOQ is 100 pieces for standard sizes. For custom orders, please contact us for a quote. Sample orders (1–10 pieces) are also available for testing.
Q5: Do you provide material certificates?
A: Yes, we can supply mill test certificates for 316L stainless steel, including chemical composition and mechanical properties. Additional third-party inspection is available upon request.
Q6: How is the tube packaged for export?
A: Each tube is individually wrapped with protective film, then packed in wooden crates or cartons with foam filling to prevent damage during transit. We also offer custom packaging per your instructions.
Q7: What is the lead time for production?
A: For standard sizes, lead time is 7–15 working days after order confirmation. Custom orders typically take 15–25 working days, depending on complexity.
Q8: Can you ship to my country?
A: We ship worldwide. Our main ports are Tianjin, Qingdao, Shanghai, and Foshan. We have experience exporting to over 20 countries and can arrange door-to-door logistics if needed.
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