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Zhejiang Jingliang Copper-Tube Products Co., Ltd

Wholesale Solar Water Heater Copper Tube

Solar Water Heater Copper Tube

-- Steady & Reliable Manufacturer --

Maximizing Renewable Thermal Energy Capture

Solar Water Heater Copper Tubes are the core thermal conversion element in flat-plate solar collectors, evacuated tube heat pipes, and solar thermal loops. Because solar thermal systems rely entirely on ambient sunlight to heat domestic water or space heating fluids, the thermal efficiency of the absorbing material directly dictates system performance. At Zhejiang Jingliang, our solar water heater copper tubes are crafted from ultra-pure C12200 phosphorus-deoxidized copper or C11000 electrolytic tough pitch copper. Copper's exceptionally high thermal conductivity (approx. 401 W/m路K) makes it the undisputed material of choice for transferring absorbed solar radiation into heat-transfer fluids quickly and with minimal loss.

Our solar copper tubes are manufactured to withstand aggressive thermal cycling, extreme outdoor weather, high internal stagnation pressures, and UV exposure over decades of service. We produce both riser tubes (small-diameter vertical pipes that solder to solar absorber fins) and manifold header pipes (larger-diameter collector distribution pipes). Featuring precise wall tolerances, superior surface cleanliness, and excellent weldability, our tubes integrate seamlessly with ultrasonic or laser welding equipment during solar panel assembly. By choosing Jingliang solar water heater copper tubes, manufacturers can build solar collectors that deliver higher thermal efficiency, lower thermal inertia, and reliable performance year after year.

Thermal & Structural Parameters

PropertySolar Copper Tube Specification
Material GradeC12200 (Cu-DHP) / C11000 (ETP)
Thermal Conductivity~390 - 401 W/m路K (High Heat Transfer)
Standard ComplianceEN 1057 / ASTM B88 / ISO 9001
Tubing RolesRiser Tubes (Vertical) / Header Pipes (Horizontal)
Outside Diameter (OD)8mm to 12.7mm (Risers) / 18mm to 35mm (Headers)
Wall Thickness0.018" (0.45mm) to 0.039" (1.0mm)
Stagnation Temp ResistanceUp to +250掳C (+482掳F) continuous
Surface StateBright Annealed / Clean Bare Surface for Coating
Laser/Ultrasonic WeldabilityExcellent (Low oxide surface layer)
Max Pressure RatingTested up to 1.0 MPa (10 Bar) working pressure

Flat-Plate Collectors, Solar Heat Pipes, and Thermal Storage

Solar water heater copper tubes are predominantly used in manufacturing "Flat-Plate Solar Thermal Collectors" for residential roof-top domestic hot water systems. They form the inner heat-conducting core of "Evacuated Tube Solar Heat Pipes," rapidly transferring heat to the top bulb. Large-scale "Commercial Solar Water Heating Networks" in hotels, hospitals, and public swimming pools utilize these copper tubes for high-volume manifold distribution. They are integrated into "Solar Space Heating and Radiator Systems" in cold climates. Additionally, solar copper tubes are deployed in "Industrial Solar Process Heat Systems" for agricultural drying, food processing pasteurization, and solar-assisted heat pump (SAHP) installations.

Maximum Thermal Absorption and Lifetime Weatherability

The main advantage of solar water heater copper tube is its "Near-Optimal Thermal Conductivity," enabling maximum heat transfer from absorber fins to fluid. The material's "High Temperature Stagnation Resistance" ensures the tubing will not deform, burst, or degrade during hot summer days when fluid circulation stops. "Superior Weldability" allows clean, high-speed ultrasonic or laser bonding to copper or aluminum absorber sheets without thermal barrier defects. The inherent "UV and Weather Resistance" prevents degradation from constant outdoor exposure. Furthermore, the "Clean Internal Bore" resists mineral scaling and corrosion when exposed to glycol heat-transfer fluids or treated water, maintaining "Peak Solar Yield" over a 20+ year lifespan.

Export Packaging and Quality Traceability

Solar copper tubes are bundled in moisture-resistant wraps and packed inside sturdy wooden crates or reinforced cardboard boxes to prevent damage during international transport. Payment terms are 30% T/T deposit and 70% L/C at sight. Shipments are handled through Ningbo or Shanghai ports, complete with "Thermal Conductivity Certificates," "Dimensional Inspection Logs," and "Mill Test Certificates." Custom cut-to-length sizes, end-swaging, and punch-hole headers are available for OEM solar collector manufacturers.

  • Q: Why is copper preferred over aluminum for solar thermal collectors?
  • A: Copper offers significantly higher thermal conductivity, superior resistance to glycol-based heat transfer fluids, and better durability under extreme thermal stagnation conditions compared to aluminum.
  • Q: Can you provide pre-punched header pipes for solar collector risers?
  • A: Yes, we offer OEM fabrication services including pre-punched or extruded holes on copper header pipes to match your exact riser spacing requirements.
ABOUT US
30+YEARS OF
EXPERIENCE
About Us

A Reliable Partner of the Copper Tube Industry

Zhejiang Jingliang Copper-Tube Products Co., Ltd is China Solar Water Heater Copper Tube and Solar Water Heater Copper Tube Factory, which was formerly Shangyu Jingliang Copper Material Factory, founded in 1994 and has been deeply involved in the copper tube industry for over three decades. The company primarily produce various specifications of products such as copper tubes, brass tubes, copper square tubes, fin copper tubes, copper capillary tubes, condenser copper tubes, copper evaporator tubes, and conductive rods, which are of quality and have earned the trust and acclaim of customers both domestically and internationally.

Wide Applications:

These products are widely used in various fields including air conditioning, refrigeration, heat exchange, sanitary ware, automotive, machinery, electric furnaces, and chemical industries.

Convenient Transportation:

Strategically located in Tangpu Town, renowned as the “home of copper tubes” in East China. Our company enjoys a prime location, adjacent to the Shangsan Expressway and National Highway 104, and is conveniently situated just over 70 kilometers from Hangzhou and Ningbo, ensuring easy accessibility and a business position.

Strong Financial Resources:

With its strong financial resources and advanced copper tube processing technology, our company holds an advantageous position in market share, brand value, technological content, and product quality, becoming a preferred supplier for many listed groups.

Large Scale Production:

The company occupies an area of over 20,000 square meters, with a construction area of 12,800 square meters. In 2022, our annual production exceeded 7,500 tons, with a value output of up to 450 million yuan, demonstrating our strong production capacity and market competitiveness.

Comprehensive Industry Chain:

Jingliang has now developed into a complete industrial chain integrating smelting, extrusion, drawing, precision rolling, and annealing. It has been awarded multiple honors, including "Top Ten Copper Tube Enterprises" and "Leading Taxpayer in the Copper Tube Industry".

Smart Manufacturing:

Jingliang Copper-Tube Products will better integrate the concept of factory construction into its corporate development strategy, insist on refining technology and polishing products more finely, and the future of "intelligent manufacturing".

Genuine Cooperation:

Zhejiang Jingliang Copper-Tube Products Co.,Ltd warmly welcomes friends from all walks of life to visit and offer guidance. We look forward to joining hands with you to create a brilliant future together.

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