Description
The JINTIAN Copper Round Tube is an advanced copper tubing solution produced by Jintian Copper (China), one of the largest and most respected copper manufacturers in Asia. Known for its technological innovation and strict quality control, JINTIAN produces copper tubes that combine precision engineering, global certification, and superior performance, ensuring reliability in every installation.
Manufactured from 99.9% pure refined copper, each tube undergoes a seamless extrusion process followed by multiple quality inspections to guarantee uniform wall thickness, smooth internal finish, and high tensile strength. This makes it ideal for air-conditioning, refrigeration, and heat exchange systems, where performance and pressure resistance are critical.
The JINTIAN Copper Tube features excellent heat transfer efficiency, reducing energy loss and ensuring maximum system performance. Its corrosion-resistant composition protects against oxidation and scaling, making it suitable for long-term use in humid, coastal, or high-temperature environments. With its high flexibility, the tube can be easily bent, flared, and brazed, simplifying installation while maintaining leak-free performance.
Each tube complies with ASTM B280, EN 12735-1, GB/T 17791, and ISO 9001 standards, confirming its quality for international HVAC and plumbing markets. It is compatible with all modern refrigerants, including R22, R134a, R407C, and R410A. Available in a full range of sizes from 6mm to 28mm outer diameter with various wall thickness options, it suits a broad spectrum of residential, commercial, and industrial systems.
JINTIAN copper tubes are supplied in both straight lengths and coiled rolls, with capped ends to prevent contamination and clearly marked brand labeling to ensure authenticity. Backed by Jintian’s extensive R&D and production expertise, this product offers excellent strength, performance stability, and environmental sustainability — making it a reliable choice for professionals who demand long-lasting results.
⚙️ Key Features
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✅ Brand: JINTIAN (China)
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✅ Material: 99.9% Electrolytic Pure Copper
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✅ Construction: Seamless Drawn Copper Tube
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✅ Finish: Smooth, Polished Inner and Outer Surface
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✅ Standards: ASTM B280 / EN 12735-1 / GB/T 17791 / ISO 9001
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✅ Temperature Range: -50°C to +200°C
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✅ Compatible Refrigerants: R22, R134a, R410A, R407C, R32
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✅ Corrosion Resistance: Excellent against oxidation and scaling
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✅ Available Sizes: OD 6mm–28mm; wall thickness 0.2mm–0.8mm
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✅ Origin: China
🧰 Applications
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🌀 HVAC Systems: Refrigerant and suction lines for air-conditioning and chiller systems
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❄️ Refrigeration: Condensers, evaporators, and cooling coils
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💧 Plumbing: Domestic and commercial hot/cold water systems
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🔥 Gas Lines: Natural gas and LPG installations
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🏗️ Building Services: Centralized piping and mechanical networks
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⚡ Electrical Systems: Reliable conductor for earthing and grounding
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🧊 Industrial Cooling: Process and chilled-water systems
🌟 Benefits
✨ High Thermal Conductivity: Delivers efficient heat transfer and energy performance.
✨ Seamless Reliability: Prevents leakage and ensures long service life.
✨ Corrosion Resistant: Excellent durability even in humid or coastal environments.
✨ Easy to Work With: Allows smooth bending, flaring, and brazing for quick installation.
✨ Eco-Friendly Material: 100% recyclable and lead-free copper composition.
✨ Consistent Quality: Manufactured under ISO-certified quality control systems.
✨ Strong & Flexible: High pressure tolerance with superior mechanical strength.
✨ Global Standard Compliance: Certified for international HVAC and plumbing use.
📦 Packaging & Variants
| Outer Diameter (OD) | Wall Thickness | Application |
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| 6mm – 9mm | 0.2mm – 0.3mm | Light HVAC and domestic use |
| 9mm – 12.7mm | 0.4mm | Medium refrigeration and A/C systems |
| 15.9mm – 19mm | 0.6mm | Commercial and industrial cooling |
| 22mm – 28mm | 0.8mm | Heavy-duty chilled-water and process systems |
Each tube is end-capped, plastic-wrapped, and clearly labeled with the JINTIAN brand logo for safe transport and easy identification.
❓ Frequently Asked Questions (FAQs)
Q1: What refrigerants are suitable for JINTIAN copper tubes?
They are compatible with all major refrigerants, including R22, R134a, R407C, R410A, and R32, making them suitable for all modern HVAC systems.
Q2: Can JINTIAN copper tubes be used in both water and gas piping?
Yes, they are suitable for hot/cold water lines, gas lines, and industrial cooling systems, offering long-term corrosion resistance.
Q3: Are these tubes environmentally friendly?
Absolutely. JINTIAN copper tubes are made from 100% recyclable copper, promoting sustainability and energy efficiency.







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