@air
2025-05-28

Can one air compressor connect two machines?

Technical feasibility statement on connecting air compressor to multiple equipment

Air compressors (referred to as air compressors) are common air source equipment, and their design principles allow them to provide compressed air to multiple air consumption equipment through reasonable configuration. In engineering practice, whether a single air compressor can drive the operation of two equipment requires a comprehensive evaluation of the following key elements:

  1. Matching of gas supply capacity
    It is necessary to calculate the total air consumption (unit: cubic meters/minute) and working pressure (unit: megapascals) required when two equipment are running at the same time to ensure that the rated exhaust volume and output pressure of the air compressor are higher than the total equipment demand. It is recommended to reserve 10%-20% redundancy to cope with fluctuations in gas consumption.

  2. Pipeline system design
    When adopting the main and branch pipeline structure, the diameter of the main pipeline needs to be calculated and determined based on the total flow, and the branch pipelines should be independently connected to the air inlets of each equipment. It is recommended to install pressure regulating valves and gas distribution bags to ensure that the air pressure is stable and the gas used by each equipment does not interfere with each other.

  3. Key points of operation and management

  • Start the air compressor first and wait until the air pressure is stable before turning on the equipment
  • Avoid starting two devices at the same time with full load
  • Regularly check pipeline tightness and filter status
  • It is recommended to install an air pressure monitoring device to understand the gas supply status in real time
  1. Response to special working conditions
    For equipment combinations with large differences in gas consumption, air storage tanks can be used to buffer or variable frequency air compressors can be used to achieve dynamic balance between supply and demand through intelligent adjustment. When the air consumption of a single equipment exceeds 70% of the rated capacity of the air compressor, it is not advisable to connect a second equipment in parallel.

Before enterprises implement a multi-equipment gas supply plan, it is recommended to entrust a professional organization to conduct gas system diagnosis and formulate a complete solution including equipment selection, pipeline optimization, and energy consumption evaluation to ensure safe and efficient operation of the system.

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