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Welcome to Anping County Boli Hardware Wiremesh Products Factory – a trusted manufacturer since 1998, specializing in high-quality stainless steel spiral finned tubes for heat exchanger cooling applications. With over two decades of experience and an annual export value between US$5 Million and US$10 Million, we deliver reliable products that enhance thermal efficiency and durability in demanding industrial environments. Our spiral finned tubes are engineered to maximize heat dissipation, reduce energy consumption, and provide long service life, making them an ideal choice for cooling systems across global markets.
Our stainless steel spiral finned tubes are crafted with precision to meet the rigorous requirements of heat exchangers in power plants, petrochemical facilities, HVAC systems, and refrigeration units. The spiral fin design significantly increases the surface area for heat transfer, allowing for compact and efficient cooling solutions. Below, we outline the key features and technical specifications that set our products apart.
Key Features
- High Thermal Efficiency – The spiral fin geometry optimizes airflow and heat transfer coefficients, improving overall system performance.
- Superior Corrosion Resistance – Made from premium stainless steel (SS304/SS316), these tubes resist rust, scaling, and chemical attack, extending operational life.
- Robust Construction – Fins are securely bonded to the base tube via high-frequency welding, ensuring mechanical integrity under thermal cycling and vibration.
- Customizable Dimensions – We offer flexible options for outer diameter, wall thickness, fin height, fin pitch, and length to match your specific design.
- Wide Operating Range – Suitable for temperatures from -20°C to +400°C and pressures up to 30 bar (depending on configuration).
- Easy Installation – Standard dimensions allow seamless integration into existing heat exchanger bundles.
Technical Specifications
| Parameter | Available Range |
|---|---|
| Base Tube Material | Stainless Steel 304, 304L, 316, 316L, 321 |
| Outer Diameter (OD) | 16 mm – 50 mm (customizable) |
| Wall Thickness | 1.0 mm – 3.0 mm |
| Fin Height | 8 mm – 20 mm |
| Fin Pitch | 3 mm – 10 mm |
| Tube Length | Up to 18 meters (or as required) |
| Operating Temperature | -20°C to +400°C (higher available on request) |
| Maximum Working Pressure | Up to 30 bar (depending on dimension) |
| Fin Attachment Method | High-Frequency Welding (HFW) |
| Surface Finish | Pickled, Passivated, or Polished |
Benefits to Your Application
- Reduced Footprint – Compact finned tubes allow smaller heat exchanger designs without sacrificing performance.
- Lower Energy Costs – Enhanced heat transfer efficiency reduces pumping power and fan energy consumption.
- Extended Maintenance Intervals – Durable stainless steel construction minimizes fouling and corrosion, decreasing downtime.
- Reliable Supply Chain – With our factory direct from Hengshui, Hebei and multiple shipping ports (Tianjin, Qingdao, Shanghai, Foshan), we ensure timely delivery to global markets including North America, Europe, and Asia.
- Customization Support – Our engineering team assists in optimizing fin geometry for your specific fluid, temperature, and pressure requirements.
Since 1998, Anping County Boli Hardware Wiremesh Products Factory has been a reliable partner for industrial heat transfer solutions. Our annual export value of US$5–10 million reflects the trust of clients in over 15 major markets worldwide. We maintain strict quality control at every stage – from raw material selection to final inspection – to ensure that each spiral finned tube meets your exact specifications. Our commitment to quality, combined with competitive pricing and flexible production, makes us a preferred supplier for OEMs and end-users alike.
Contact us today to discuss your heat exchanger cooling requirements. Whether you need standard dimensions or a fully customized design, we are ready to provide samples, technical drawings, and a prompt quotation. Let our experience work for your next project.
Frequently Asked Questions (FAQ)
1. What stainless steel grades are available for the finned tubes?
We offer SS304, 304L, 316, 316L, and 321 as standard options. Other grades like 310S or duplex stainless steel are available upon request.
2. Can you produce finned tubes with non-standard fin spacing?
Yes, we can customize fin pitch and height to meet your specific thermal design requirements. Please provide your target heat transfer coefficient or dimensional constraints.
3. How do you ensure the fins are securely attached to the tube?
We use high-frequency welding (HFW), which creates a strong metallurgical bond between the fin and base tube. This eliminates risk of fin loosening under thermal stress or vibration.
4. What is the maximum length you can produce?
Standard lengths up to 18 meters are possible. For longer tubes, we can discuss splicing or alternative solutions.
5. Do you provide samples for testing?
Yes, we offer sample pieces (e.g., 300mm long) for qualification testing. Sample cost is negotiable, and we can arrange shipping via your preferred carrier.
6. What is the typical lead time for a custom order?
Lead time depends on quantity and complexity. For standard sizes, it is usually 15–25 working days after confirmation. Custom designs may take 25–35 working days.
7. Can you ship to my country?
We export to North America, South America, Europe, Asia, Africa, Oceania, and the Middle East. Our main shipping ports are Tianjin, Qingdao, Shanghai, and Foshan. We can arrange FOB, CIF, or door-to-door delivery.
8. Do you offer any warranty or after-sales support?
We provide a standard warranty against manufacturing defects. Our technical team is available for installation guidance and troubleshooting. Terms can be discussed during contract.
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