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Help CenterSeamless Copper Pancake Coil Tube for Air Conditioning and Refrigeration Systems
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Wuxi Yansheng Technology Co., Ltd. is a professional manufacturer specializing in high-quality copper tubing for HVAC and refrigeration applications. Our Seamless Copper Pancake Coil Tube is engineered to deliver superior performance in air conditioning and refrigeration systems, offering excellent thermal conductivity, corrosion resistance, and durability. With a factory spanning 1,000-3,000 square meters and a team of 101-200 experienced workers, we ensure every coil meets stringent quality standards. This product is designed to simplify installation and reduce waste, making it an ideal choice for contractors and system integrators worldwide.
Our seamless copper pancakes are manufactured using advanced drawing and annealing processes, resulting in a uniform grain structure and consistent wall thickness. The coils are supplied in a soft, annealed condition for easy bending and flaring, yet they maintain the mechanical strength required for high-pressure refrigerant lines. Each coil is thoroughly tested for leaks and cleanliness to ensure trouble-free operation in both residential and commercial systems.
Key Features & Benefits
- Seamless Construction: Eliminates potential weak points, reducing the risk of leaks and prolonging system life.
- High Purity Copper: Made from C12200 phosphorus-deoxidized copper, ensuring excellent corrosion resistance and thermal conductivity.
- Annealed Tempered: Soft and flexible for easy bending without kinking, saving installation time and labor.
- Consistent Dimensions: Tight tolerances on outer diameter and wall thickness for reliable connection with standard fittings.
- Clean Interior: Free from burrs, oil, and debris, reducing the need for additional cleaning before installation.
- Pancake Coil Form: Compact packaging minimizes storage space and simplifies handling on job sites.
- Custom Sizes Available: Lengths, diameters, and wall thicknesses can be tailored to meet specific project requirements.
Technical Specifications
| Parameter | Value |
|---|---|
| Material Grade | Copper C12200 (DHP), C11000 (ETP) optional |
| Outer Diameter Range | 1/4" (6.35 mm) to 1 5/8" (41.28 mm) |
| Wall Thickness Range | 0.028" (0.71 mm) to 0.072" (1.83 mm) |
| Coil Length | 15 m, 30 m, 50 m, or custom lengths |
| Temper Condition | Annealed (soft) as standard; half-hard available |
| Applicable Standards | ASTM B280, EN 12735, ASME SB280 |
| Max Working Pressure | Varies by size; typically up to 700 psi (48 bar) |
| Packaging | Plastic film wrapping + plywood pallet or cardboard box |
Why Choose Our Seamless Copper Pancake Coil?
- Superior Thermal Efficiency: Copper’s natural high thermal conductivity (391 W/m·K) maximizes heat transfer in evaporators and condensers.
- Long Service Life: Phosphorus deoxidization prevents hydrogen embrittlement and resists corrosion from refrigerants and moisture.
- Ease of Installation: Soft annealed coils can be bent by hand or with simple tools, reducing the need for pre-formed fittings.
- Cost Effective: Pancake coils minimize scrap and allow for continuous runs, lowering material waste and labor costs.
- Global Compliance: Our products meet or exceed international standards, ensuring compatibility with systems worldwide.
- Reliable Supply Chain: With an annual export value exceeding US$50 million, we maintain stable inventory and fast delivery from multiple ports (Tianjin, Shanghai, Qingdao, Ningbo).
Trust & Credentials
Since 2017, Wuxi Yansheng Technology has grown into a leading manufacturer with a strong global presence. Our factory occupies 1,000-3,000 square meters and is equipped with state-of-the-art drawing and annealing lines. We employ 101-200 skilled workers who follow rigorous quality control procedures. Our management systems are certified under ISO9001, ISO14000, OHSAS18001, and other standards, demonstrating our commitment to quality, environment, and safety. We serve diverse markets across North America, South America, Europe, Southeast Asia, Africa, Oceania, the Middle East, and domestic China.
Product Applications: Our seamless copper pancake coils are widely used in split air conditioners, central AC units, refrigerators, freezers, heat pumps, chillers, and automotive HVAC systems. They are also suitable for oil, gas, and steam lines where clean, reliable copper tubing is required.
Customer Support: We offer free samples for evaluation, technical datasheets, and 3D drawings upon request. Our sales team provides responsive communication and customized packaging solutions. Contact us today to place an order or discuss your specific requirements!
Frequently Asked Questions (FAQ)
-
What is the difference between seamless and welded copper coil?
Seamless coils are drawn from a solid billet, resulting in a homogenous structure with no weld seam. This provides higher pressure rating, better corrosion resistance, and eliminates weld-related failure points. Our products are 100% seamless. -
Can I get custom lengths or diameters?
Yes, we offer customization for outer diameter, wall thickness, and coil length. Please provide your specifications, and we will confirm feasibility and lead time. -
Are these coils suitable for R32 or R410A refrigerants?
Absolutely. Our copper coils are compatible with all common HFC and HFO refrigerants, including R410A, R32, R134a, R290, and R1234yf. The material meets the cleanliness and pressure requirements for these systems. -
Do you provide certification like Mill Test Report?
Yes, we supply MTC (Mill Test Certificate) with each shipment, detailing chemical composition, mechanical properties, and dimensional inspection results. -
What packaging options are available?
Standard packaging is plastic wrap on a wooden pallet. For export, we can add extra protection like cardboard boxes, corrugated interlayers, or seaworthy crating at no extra cost. -
How do I ensure the coil remains clean during storage?
We ship coils with end caps and plastic film to protect against dust and moisture. Store in a dry indoor area. For long-term storage, keep the original packaging intact. -
What is the minimum order quantity (MOQ)?
Typically, MOQ is 500 kg for standard sizes. For custom sizes or first-time orders, we can negotiate smaller quantities. Please inquire with our sales team. -
Can I get a sample before bulk purchase?
Yes, free samples (up to 1 meter) are available. You only pay for shipping. We will provide a sample along with technical data.
Contact Us: To request a quote, discuss your project, or visit our factory in Wuxi, Jiangsu, China, please reach out via email or phone. We look forward to partnering with you!
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