Natural gas often needs to be transported from a gas field to a petrochemical plant through a long pipeline. Several centrifugal fans must be installed along the pipeline to increase the pressure of the natural gas.

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The power of the centrifugal fan ranges from hundreds of watts to tens of thousands of kilowatts, the speed is 3000~10000r/min, and the pressure is generally 7355kPa or higher. Large-scale natural gas liquefaction plants generally choose axial fans from four aspects: flow, stand-alone power, efficiency, and cost.

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Axial fans have the characteristics of large flow and high efficiency.

For the same production line, one axial fan is required, while multiple centrifugal fans are required.