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Help CenterHigh Purity C12200 Copper Capillary Coil Tube for Refrigeration Air Conditioner Pipeline
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As a professional manufacturer with over 7 years of experience, Wuxi Yansheng Technology Co., Ltd. offers high-quality High Purity C12200 Copper Capillary Coil Tube designed specifically for refrigeration and air conditioner pipelines. Our capillary coils are produced using advanced drawing technology to ensure precise inner diameters and consistent wall thickness, meeting the strictest industry requirements. With a factory spanning 1,000–3,000 square meters and an annual export value of US$50–100 million, we guarantee reliable supply and consistent quality for global buyers.
The C12200 (DHP) copper alloy is known for its excellent thermal conductivity, corrosion resistance, and formability. Our capillary coil tubes undergo rigorous purity testing and dimensional inspection to deliver uniform performance in capillary throttling devices, expansion valves, and connection lines. Whether you need coils for R410A, R32, or other refrigerants, our products maintain superior sealing and long service life under high-pressure conditions.
Key Features & Benefits
High Purity (≥99.9% Cu): Ensures minimal impurities that could block refrigerant flow or cause erosion, enhancing system efficiency.
Precise Inner Diameter Control: Tolerance within ±0.02mm guarantees accurate capillary action for optimal pressure drop and flow regulation.
Excellent Flexibility: Coil form allows easy bending and installation in tight spaces without kinking, reducing labor costs.
Superior Corrosion Resistance: C12200 grade resists oxidation and chemical attack from refrigerants and lubricants, extending system lifespan.
Annealed or Half-Hard Temper: Optional hardness levels available to match your specific application requirements.
Customizable Dimensions: Outer diameter, wall thickness, and coil length can be tailored per your drawings or samples.
Typical Specifications (Example)
| Parameter | Value Range | Notes |
|---|---|---|
| Outer Diameter (OD) | 2.0 mm – 8.0 mm | Other sizes upon request |
| Wall Thickness | 0.5 mm – 2.0 mm | Customizable |
| Length per Coil | 50 m – 200 m | Or as per order |
| Purity (Cu + Ag) | ≥99.90% | By weight |
| Temper | Annealed / Half-Hard | Flexible option |
| Standard | ASTM B75 / ASTM B68 | Or equivalent |
Application Areas: Our copper capillary coils are widely used in window ACs, split ACs, central air conditioners, commercial refrigeration units, heat pumps, and automotive HVAC systems. The uniform inner surface ensures stable refrigerant throttling, reducing energy consumption and maintenance costs.
Production & Quality Assurance
Wuxi Yansheng Technology operates a modern facility equipped with precision drawing machines, annealing furnaces, and eddy current testing systems. Every coil is 100% inspected for dimensions, cleanliness, and pressure integrity before packaging. Our quality management system is certified to ISO9001, and we also hold additional certifications such as HACCP, OHSAS18001, and more, reflecting our commitment to excellence.
We ship from major Chinese ports including Tianjin, Shanghai, Qingdao, and Ningbo, with efficient logistics to North America, Europe, Southeast Asia, the Middle East, and beyond. Our team of 101–200 skilled employees ensures prompt responses and consistent product quality for both small trial orders and large container shipments.
Trust Wuxi Yansheng Technology for your refrigeration pipeline needs. Experience the difference of high-purity C12200 copper capillary coils that deliver reliable performance, easy installation, and long-lasting durability. Contact us today for a quote or technical consultation – we are ready to support your project with customized solutions and competitive pricing.
Frequently Asked Questions (FAQ)
Q: What is the maximum working pressure for your C12200 capillary coils?
A: The burst pressure depends on dimensions. Typically, our coils can withstand up to 6.0 MPa (870 psi) for standard sizes; please consult our technical team for specific ratings.Q: Can you supply customized inner diameters for different refrigerant types?
A: Yes, we offer custom inner diameters (ID) from 0.5 mm to 6.0 mm to match R410A, R32, R134a, and other refrigerants. Just provide your required ID and tolerance.Q: Are these coils suitable for high-temperature applications?
A: C12200 copper maintains good strength up to 200°C. For higher temperature environments, please discuss with our engineers.Q: What packaging options do you provide for export?
A: Each coil is spooled and wrapped with plastic film, then packed in export cartons or wooden crates to prevent damage during transit. We also offer anti-tarnish treatment upon request.Q: What is your minimum order quantity (MOQ)?
A: MOQ is generally 100 kg for common sizes. Smaller trial quantities are available for new customers to test quality.Q: Do you provide samples?
A: Yes, we can supply free samples of up to 1 meter per size, with the buyer covering shipping costs. Contact our sales team to arrange.Q: How long is your typical lead time?
A: For standard specifications, lead time is 15–20 days after deposit. Custom orders may require 25–30 days depending on complexity.Q: Do you have certifications for quality and environmental management?
A: Yes, our company holds ISO9001, ISO14000, OHSAS18001, HACCP, and other certifications. Details are available upon request.
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