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> News Advisory > Common Problem
> News Advisory > Common Problem

News Advisory

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  • Common Problem
  • What are the characteristics and types of centrifugal fans?

    As its name implies, centrifugal fans inhale the air along the axial direction, but blown out radially based on the centrifugal force of impeller rotation.
    01/24/2024
  • What factors can affect fan noise?

    To sum up, there are many factors that affect fan noise, including speed, blade design, installation method, and so on. When we choose and use fans, we need to consider these factors comprehensively to reduce the noise level. In addition, when multiple same or different fans are used in the same scene, the noise will also be superimposed.
    01/26/2024
  • What should be noted when installing a fan?

    The installation of fans is generally categorized into two types: shaft horizontal installation and vertical installation, but the installation requirements for each type of fan are different and not every type of installation is supported.
    01/26/2024
  • What are the characteristics and types of axial fans?

    Axial fans are usually installed on the cabinet of electrical equipment, and sometimes integrated on the motor. They are widely used for their compact structure which can save a lot of space and is easy installation.
    01/24/2024
  • How to connect the three-phase AC fan star delta?

    Taking this R4D500-RA03-01 as an example, you can see that there are a total of 9 outlet wires of the fan. In addition to the two ground wires for thermal overload protection the white and the yellow-green one, the remaining 6 wires are the lead wires of the three-phase winding of the motor ( U1, U2, V1, V2, W1, W2) For wiring, we can refer to the wiring diagram in the fan or specification book. They are all clearly drawn, such as the wiring diagram in the specification book of this fan.
    02/29/2024
  • What is the function of the guide ring of a backward centrifugal fan?

    Inlet Rings of the Backward Centrifugal Fan (also known as inlet nozzle or shroud) is a component installed at the fan inlet.
    02/02/2024
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