Home / Our product / Copper Straight Tube

Zhejiang Yinjia Copper Co., Ltd.
was set up in 2004.

Yinjia was established in 2004 with a registered capital of 55.6 million Yuan, located in the southeast of Zhejiang Province, China, 80KM from Hangzhou and 70KM from Ningbo, our factory covers an area of 24,000 square meters and has 240 manufacturing staff. We have also obtained the "Copper Pipe Production License" issued by the General Administration of Quality Supervision and Inspection of China and passed the ISO9001:2008 international quality management system certification.

As China Straight Copper Tubes Manufacturers and Factory, Yinjia specializes in the production of precision purple copper tubes, purple copper pipeline components and steel pipe pipeline components. The main products are: copper pipe assemblies, connecting pipes, bellows, silencers, four-way valve pipe assemblies for air conditioners, suction and discharge pipes applied to compressors, high-efficiency copper pipes for heat exchangers, etc. The products we produce are widely used in the air conditioning, refrigeration and heat exchanger industries and are well evaluated by our customers.

In 2014, Yinjia's sales of copper materials reached 1500 tons, and the output of products reached 80 million pieces, with an output value of 28,000,000 RMB. The company takes the market as the guide and strengthens the internal management, reform and innovation, implements 6S management, lean production, constantly restructuring, and improves the quality of products and services. Supply Straight Copper Tubes Custom

With the tenet of "customer first, quality first", the company is dedicated to providing customers with satisfactory products and considerate services.
  • 24,000

    Plant area

  • 150

    Manufacturing staff

  • 230+


  • 300,000

    Daily output



  • ISO 9001:2015

  • ISO 9001:2015

  • Invention Patent Certification

  • High and New Technology Enterprise Certification

Industry knowledge
How does the choice of tube thickness and diameter impact the heat transfer capabilities of copper straight tubes?
The choice of tube thickness and diameter in copper straight tubes has a significant impact on the heat transfer capabilities of these tubes. These design parameters influence heat transfer efficiency and performance in various applications, such as heat exchangers and HVAC systems. Here's how tube thickness and diameter affect heat transfer:
Heat Transfer Surface Area: Tube diameter directly affects the surface area available for heat transfer. A larger diameter tube provides more surface area, which allows for greater contact between the fluid inside the tube and the surrounding medium (e.g., air or water). This increased surface area enhances heat transfer efficiency.
Fluid Velocity: Tube diameter also affects the velocity of the fluid inside the tube. A larger diameter results in lower fluid velocity for a given flow rate. Slower fluid velocity can increase the residence time and improve heat transfer efficiency by allowing more time for heat exchange.
Tube Thickness: The thickness of the copper tube's wall influences its heat conduction properties. Thicker walls can conduct heat more effectively but may reduce the overall heat transfer surface area and increase resistance to heat flow.
Thermal Resistance: Tube thickness and diameter collectively influence the thermal resistance of the copper tube. Thinner walls and larger diameters generally result in lower thermal resistance and improved heat transfer. Conversely, thicker walls and smaller diameters may increase thermal resistance.
Pressure Drop: The tube's diameter and thickness also affect the pressure drop within the tube. A larger diameter tube with thinner walls generally results in lower pressure drop, which can be advantageous in systems where reduced pumping power is desirable.
Our copper straight tube is suitable for compressor configuration,accumulator intake pipe,etc. It can also be processed according to customer's requirements.Copper Straight Tube is applied in the compressor configuration accumulator intake pipe, including ø4-28. We can supply the TP2Y material with thickness from 0.3mm to 4mm, and according to customer requirements for other precision tube dimensions.Copper Straight Tube is used to configure the compressor accumulator pipe. The inner tube has a higher temperature resistance, and is suitable for operating at high temperatures. It is perfectly welded with external pipe connections.Copper Straight Tube is mainly used in various fields such as compressor configuration, and it has the advantages of high temperature resistance, smooth surface and low cost.
Copper straight tube used in refrigeration and HVAC systems
The compressor configuration accumulator intake pipe is a component in a refrigeration or HVAC system that transports refrigerant or compressed air into the accumulator. The accumulator acts as a temporary storage device for refrigerant or compressed air, ensuring a smooth flow of refrigerant or compressed air to the rest of the system. The intake pipe is typically made of copper or other corrosion-resistant materials to ensure efficient and reliable transfer of refrigerant or compressed air. The size and thickness of the intake pipe may vary depending on the specifications of the accumulator and the refrigeration or HVAC system.
A copper straight tube is a length of straight, cylindrical tubing made of copper. It is commonly used in refrigeration and HVAC systems for the transfer of compressed air or refrigerant. Copper is favored for its high conductivity, resistance to corrosion, and durability, making it an ideal material for use in these types of systems. Straight tubes can be connected to other components, such as bend tubes, to create a complete refrigerant flow system.
The Straight Tube is used as the intake pipe in a compressor configuration accumulator. It has a diameter range of 4mm to 28mm and is made of TP2Y material. The thickness of the tube can range from 0.3mm to 4.0mm. TP2Y is a commonly used material in the refrigeration and HVAC industry due to its high conductivity, corrosion resistance, and durability.

If you are interested in our products or have any questions, please consult us.

Contact us