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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 Refrigerator Compressor Process Pipes 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 Refrigerator Compressor Process Pipe 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 refrigerator compressor process pipe handle variations in temperature and pressure within the refrigeration system?
The refrigerator compressor process pipe is a critical component that plays a key role in handling variations in temperature and pressure within the refrigeration system. It ensures the efficient circulation of refrigerant while managing the changes that occur during the refrigeration cycle. Here's how it handles these variations:
Compression and Temperature Increase: The refrigerator compressor process pipe begins with the compressor, which compresses low-pressure, low-temperature vapor refrigerant. As the refrigerant is compressed, its pressure and temperature increase significantly.
Discharge from Compressor: The high-pressure, high-temperature refrigerant is then discharged from the compressor into the process pipe. The process pipe must be designed to withstand the elevated pressure and temperature of the discharged refrigerant.
Heat Dissipation: The process pipe is often routed through or around a condenser coil. In the condenser, the hot refrigerant releases heat to the surrounding air or water, causing it to condense into a high-pressure liquid.
Pressure Drop and Temperature Reduction: As the refrigerant releases heat in the condenser, its temperature decreases, but it remains at a high pressure. The process pipe is designed to handle this pressure while maintaining structural integrity.
Expansion Valve: After leaving the condenser, the high-pressure liquid refrigerant enters an expansion valve or capillary tube. This component causes a significant pressure drop, reducing the refrigerant's pressure and temperature.
Evaporator Coil: The lower-pressure, lower-temperature refrigerant is then distributed into the evaporator coil, where it absorbs heat from the surrounding air or space. This causes the refrigerant to evaporate into a low-pressure vapor.
Return to Compressor: The low-pressure vapor is drawn back into the compressor through the process pipe, where the cycle repeats.
The process pipe must be able to handle the full range of pressures and temperatures experienced throughout the refrigeration cycle. Here's how it manages these variations:
Materials and Design: The refrigerator compressor process pipe is typically constructed from materials that can withstand the high pressures and temperatures in the discharge line and provide efficient heat transfer in the evaporator coil.
Insulation: In some cases, the process pipe may be insulated to prevent heat exchange with the surrounding environment, particularly in the evaporator section. This helps maintain the low temperature of the refrigerant vapor.
Sizing and Thickness: The process pipe's size and thickness are carefully chosen to ensure it can safely manage the pressures and temperatures involved. A thicker and appropriately sized pipe can withstand higher pressures and handle temperature fluctuations.
Pressure Relief Mechanisms: Some refrigeration systems include pressure relief valves or devices to prevent over-pressurization of the process pipe and components. This is an added safety measure.
the refrigerator compressor process pipe is designed to accommodate the wide range of temperature and pressure variations that occur during the refrigeration cycle. Its material, size, insulation, and design are carefully chosen to ensure the safe and efficient operation of the system.

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