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Zhejiang Jingliang Copper-Tube Products Co., Ltd

Wholesale R410A Line Set

R410A Line Set

-- Steady & Reliable Manufacturer --

Optimized Connection Kits for High-Pressure HVAC

The R410A Line Set is a specialized pair of insulated copper tubes designed specifically for the unique pressure and temperature requirements of R410A refrigerant systems. Since R410A operates at pressures up to 60% higher than older refrigerants like R22, the line set must be manufactured with thicker walls and higher-grade copper to ensure safety and efficiency. At Zhejiang Jingliang, our R410A line sets are the "Gold Standard" for split-system and mini-split installations. Each set consists of a liquid line and a suction line, both of which are factory-insulated with high-quality, closed-cell polyethylene or elastomeric foam. This insulation is not just for protection; it is critical for preventing condensation (which can cause water damage to ceilings) and maintaining the thermal efficiency of the refrigerant as it travels between the indoor and outdoor units.

Our R410A line sets are "Ready-to-Install," meaning they are often pre-flared with forged brass nuts or provided with plain ends for brazing. The copper used is 99.9% pure C12200, which is phosphorus-deoxidized to provide the ductility needed for easy routing through walls and around corners. We take extreme care in the "Twin-Tube" bonding process, ensuring the two insulated lines are joined together for a neat installation but can be easily separated at the ends for connection. The insulation itself is UV-resistant and fire-rated, meeting international building codes like UL 94. By using a factory-made line set, contractors eliminate the tedious task of sliding insulation over long copper coils on the job site, reducing installation time by up to 50% while ensuring a professional, leak-free result that is optimized for high-pressure performance.

Line Set Configuration & Performance Specs

ComponentTechnical Specification
Copper GradeC12200 Soft Annealed (O60)
Wall Thickness0.8mm, 0.9mm, 1.0mm (Complies with R410A High-Pressure)
Insulation MaterialClosed-cell PE Foam or EPDM Rubber
Insulation Thickness9mm, 13mm, 19mm, 25mm
Standard Lengths3m, 5m, 10m, 15m, 20m, 50ft
OD Combinations1/4" & 3/8", 1/4" & 1/2", 3/8" & 5/8", etc.
Fire RatingASTM E84, UL 94, Class B1 (Optional)
Working Temperature-40°C to +120°C
Vapor Permeability≤ 1.1 x 10⁻¹⁵ g/(m·s·Pa)

Residential and Commercial Mini-Split Applications

The primary application for R410A line sets is the installation of Ductless Mini-Split Air Conditioners and Heat Pumps in both residential homes and commercial offices. They are the essential link in Multi-Split Systems, where one outdoor unit connects to multiple indoor evaporators. In modern "Smart Home" retrofits, these line sets are used for their flexibility and small footprint, allowing them to be hidden in decorative plastic trunking on the exterior of buildings. They are also used in light commercial VRF (Variable Refrigerant Flow) installations where localized climate control is required. Beyond traditional cooling, R410A line sets are used for Heat Pump Water Heaters and specialized server room cooling systems where reliability and thermal insulation are paramount. Their high-pressure rating also makes them suitable for newer systems using R32 refrigerant, which shares similar pressure characteristics with R410A.

Installation Efficiency and Thermal Performance

The greatest advantage of our R410A Line Set is "Time Savings"—the pre-insulated, pre-paired design allows a technician to roll out the line and connect it in minutes. "Energy Efficiency" is maximized through our high-density insulation, which minimizes heat gain or loss, ensuring the refrigerant arrives at the evaporator at the optimal temperature. Our "Thick-Wall Copper" provides an added safety margin against the high burst pressures of R410A, significantly reducing the risk of refrigerant leaks and costly service calls. The "Integrated UV-Resistance" of the insulation ensures that the lines will not degrade or crack when exposed to sunlight on outdoor walls. For the homeowner, the "Condensation Prevention" offered by our closed-cell foam protects their property from mold and water stains. Finally, the "Pre-Flared Option" with high-quality brass nuts ensures a perfect, torque-ready connection every time, eliminating the variability of field-flaring tools.

Bundled Shipping and OEM Branding

R410A line sets are coiled and packed into individual high-strength cartons. For large projects or wholesalers, we can provide "Private Label" branding on the boxes and the insulation itself. Payment is typically T/T or L/C. We ship globally from Ningbo, utilizing 40HQ containers for maximum volume efficiency. Each carton is marked with the length and pipe sizes for easy inventory management. We also offer "Accessories Included" kits that feature electrical wiring, drain hoses, and wall sleeves, providing a complete "Installation in a Box" for your customers. Our logistics team ensures that the boxes are stacked and secured to prevent the insulation from being compressed or damaged during sea transit.

  • Q: Can these line sets be used with R32 refrigerant?
  • A: Yes, R32 operates at similar pressures to R410A, and our line sets are fully rated and tested for these high-pressure applications.
  • Q: Do I need to buy extra insulation for the joints?
  • A: Our line sets are insulated end-to-end, but we recommend using our specialized insulation tape at the flare connections to ensure a 100% thermal seal.
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 R410A Line Set and R410A Line Set Factory, which established in 1994, 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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