Wholesale Durable Red Copper Capillary Tube from China
As a leading China manufacturer of copper and copper alloy tubular products, Zenko supplies high-purity Red Copper Capillary Tube for global HVAC, plumbing, gas distribution, and medical industries.
Our copper coil tubes are made from ≥99.90% Grade A cathode copper, produced through continuous casting, rolling, and precision drawing to ensure stable dimensions, smooth surface finish, and reliable performance. We provide a wide range of diameters, wall thicknesses, and coil lengths, supporting OEM/ODM customization and global export supply.
Product Application
1. HVAC & Refrigeration Systems
Red Copper Capillary Tube is widely used in air conditioning, heat pumps, and refrigeration systems due to its high thermal conductivity, natural antimicrobial properties, corrosion resistance, and long service life.
- Suitable for residential and commercial HVAC systems
- Reduces leakage risk by using continuous coil lengths
- Meets ASTM B280 / EN 12735 ACR standards
- Available sizes: 1/4" to 3/4" (6.35 mm–19.05 mm)
- Options: dehydrated and nitrogen-charged packaging
Zenko also provides capillary tubes and custom coil configurations with ISO 9001-certified quality control, including pressure testing and clean inner surface treatment.
2. Medical & Precision Instrument Tubing
Copper’s antibacterial properties make it suitable for medical gas systems and precision instrumentation.
- Used in oxygen, nitrous oxide, and compressed air delivery systems
- Complies with medical safety standards such as NFPA 99 and HTM 02-01
- Bright annealed finish for sanitary use
- Micro-bore and capillary tubes available (down to 0.3 mm wall thickness)
- Full material traceability and inspection documentation provided
Our quality Red Copper Capillary Tube is suitable for hospitals, laboratories, and medical device manufacturers requiring high precision and reliability.
3. Plumbing, Gas Distribution & Water Supply
Red Copper Capillary Tube is also widely applied in building plumbing, gas distribution, and solar systems due to its durability and corrosion resistance.
- Meets ASTM B88, ASME B16.22, and EN 1057 standards
- Available in Type K, L, and M wall thickness grades
- Suitable for potable water, LPG, and natural gas systems
- Coil weights from 15 kg retail packs to 500 kg industrial coils
- Soft, half-hard, and hard temper options for different bending needs
Zenko supports global contractors and distributors with stable supply, export logistics, and customized processing services.
FAQ
Q1: What industries commonly use it?
It is mainly used in HVAC, refrigeration, plumbing, gas distribution, and medical systems where thermal efficiency, hygiene, and durability are required.
Q2: What standards does it comply with?
It meets ASTM B280, EN 12735, ASTM B88, and medical safety requirements such as NFPA 99 and HTM 02-01 for reliable global usage.
Q3: Can it be customized?
Yes, Zenko provides OEM/ODM customization including diameter, wall thickness, coil length, temper level, and special packaging solutions.
Q4: Why choose coil form instead of straight tube?
Coil form reduces installation joints, lowers leakage risk, improves flexibility on-site, and significantly increases installation efficiency.
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Precision Red Copper Coil Tube
As a professional Red Copper Coil Tube supplier in China, Zenko would like to provide you quality Precision Red Copper Coil Tube, which is manufactured to micro-tolerance standards for applications where dimensional accuracy directly impacts system performance. With outer diameter tolerances as tight as ±0.02mm and wall thickness control within ±0.01mm, our C1100/C1220 red copper coils deliver repeatable, precision-fit performance in semiconductor manufacturing, medical devices, analytical instrumentation, and aerospace systems. Every coil is drawn on precision dies, measured with laser gauging, and 100% inspected to ensure compliance with your most demanding specifications.
Thin-wall Red Copper Coil Tube
Zenko Thin-wall Red Copper Coil Tube made in China delivers the same high thermal and electrical conductivity as standard-wall copper, with up to 40% weight reduction and 25% material savings. With wall thicknesses as low as 0.1mm, our thin-wall coils are engineered for space-constrained and weight-sensitive applications including HVAC&R, automotive heat exchangers, electronics cooling, and aerospace thermal management. Precision manufacturing ensures consistent wall thickness across the entire coil length, maintaining pressure integrity while maximizing heat transfer efficiency.
High Thermal Conductivity Red Copper Coil
Zenko factory's High Thermal Conductivity Red Copper Coil is precision-manufactured from 99.9%+ pure C1100/C1220 red copper, delivering exceptional heat transfer performance for demanding thermal management applications. With thermal conductivity up to 401 W/(m·K), Zenko red copper coils outperform brass, aluminum, and stainless steel alternatives, making them the ideal choice for heat exchangers, cooling systems, thermal processors, and industrial refrigeration. Precision-drawn tube walls ensure consistent thermal performance, while vacuum annealing eliminates internal stresses for optimal dimensional stability.
Copper Coil for Electrical Equipment
Buy quality Red Copper Coil for Electrical Equipment from Zenko, a professional manufacturer in China. It is a precision copper tube coil engineered for power distribution systems, transformer assemblies, switchgear connections, and grounding infrastructure. Crafted from 99.9%+ pure C1100/C1220 red copper, our coils deliver maximum electrical conductivity, excellent thermal dissipation, and long-term corrosion resistance essential for mission-critical electrical installations. Manufactured in our ISO 9001 certified facility with vacuum annealing and ultrasonic cleaning, Zenko red copper coils meet stringent electrical industry standards and provide full material traceability for utility and industrial applications.
Red Copper Coil for Automotive and New Energy
High quality Red Copper Coil for Automotive and New Energy is offered by Zenko factory in China. It is engineered for the critical power and thermal demands of electric vehicles, charging infrastructure, and renewable energy systems. Our premium C1100/C1220 red copper (99.9%+ purity) delivers superior electrical conductivity and heat dissipation essential for high-current applications in EV batteries, inverters, charging stations, and energy storage systems. Manufactured in our ISO 9001 certified facility with full traceability, vacuum annealing, and 100% CCD inspection, every coil meets the rigorous reliability standards demanded by the automotive and new energy industries. Trusted by global EV manufacturers and renewable energy integrators.
Red Copper Coil for Welding Equipment
Zenko Red Copper Coil for Welding Equipment is engineered for the extreme thermal demands of arc welding, resistance welding, and robotic welding systems. With 99.9%+ pure C1100/C1220 red copper, our coils deliver superior thermal conductivity to rapidly dissipate heat from welding torches, electrode holders, and transformer windings. The precision-drawn tube walls ensure consistent coolant flow, while vacuum annealing provides the ductility needed for tight-radius bends in compact welding gun designs. Whether for MIG/TIG torch cooling, spot welding electrodes, or welding robot thermal management, Zenko red copper coils keep equipment running cooler, longer.
Red Copper Coil for Automation Equipment
The quality Red Copper Coil for Automation Equipment from a trusted China manufacturer Zenko, delivers high-purity C1100/C1220 copper with precision engineering. Purpose-built for automated production lines, robotic systems, and precision control equipment, it ensures stable, low-resistance performance under high-frequency and heavy-duty operating conditions.
China professional manufacturer and supplier of high quality Red Copper Capillary Tube. Zenko has its own factory, to provide customers comprehensive services. Look forward to you buy it!
