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    Dündar CM 21.4 Radyal Salyangoz Fan Aspiratör (Monofaze) 1575 m³ 1390 RPM
    Dündar CM 21.4 Radyal Salyangoz Fan Aspiratör (Monofaze) 1575 m³ 1390 RPM
    Dündar CM 21.4 Radyal Salyangoz Fan Aspiratör (Monofaze) 1575 m³ 1390 RPM
    Dündar CM 21.4 Radyal Salyangoz Fan Aspiratör (Monofaze) 1575 m³ 1390 RPM
    Dündar CM 21.4 Radyal Salyangoz Fan Aspiratör (Monofaze) 1575 m³ 1390 RPM
    Dündar CM 21.4 Radyal Salyangoz Fan Aspiratör (Monofaze) 1575 m³ 1390 RPM

    DÜNDAR

    Dündar CM 21.4 Radyal Salyangoz Fan Aspiratör (Monofaze) 1575 m³ 1390 RPM

    Product Code:104214100
    Barcode:8698613750812
    Stock:10
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    Product Description
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    Product Type: CM 21.4

    Voltage: 230
    AC/DC: AC
    Weight: 13.7
    Wattage: 385
    Sound: 60 dB(A)
    RPM: 1390
    Flow rate: 1575 m³/h




     Dündar CM 21.4 Radyal Salyangoz Fan Aspiratör
     
     
     MODEL  C D   E  H  L O P S T
     CM 21.4  420  265  360  360  198 220 200 150 169

    What is a Radial Fan?

    Radial fans are fans that create pressure differences. The air produced functions in the direction of centrifugal force. A centrifugal fan is a mechanical device used to move air or other gases. These fans consist of a rotating impeller and a helical casing that surrounds it. Air or gas enters from the center and is pressurized before being transferred around the impeller periphery into channels tangentially and discharged through the outlet. Due to their high pressure, centrifugal fans are ideal for applications such as drying and HVAC systems. With all moving parts enclosed, they also offer particle reduction features, making them ideal for use in air pollution control and filtration systems.

    Applications of Radial Fans


    Radial fans are used in situations where axial fans fail to provide adequate pressure and airflow, including:

    • Duct applications
    • Solid fuel boiler systems
    • Areas with high air temperatures for hot air discharge
    • General and industrial buildings
    • Warehouses, storerooms, and storage areas
    • Garages and communal buildings, agricultural buildings
    • Commercial greenhouses
    • Large workshops
    • Painting booths
    • Factories
    • Environments with dust and vapor
    • Cooling industrial machines (e.g., welding machines, transformers, compressors, etc.)

    Radial Fan Housing and Impellers


    • Cold-drawn high-quality CRP steel radial casing
    • Environmentally friendly, high corrosion resistance with electrostatic epoxy powder coating
    • Forward-curved radial impeller tested dynamically according to ISO 1940 standards
    • High pressure and airflow values achieved through nozzle applications for air intake
    • Cage-protected air intake to prevent foreign matter entry
    • Robust and smooth casing design through special flange joining

    Radial Fan Motor

    • High-quality production on CNC machines
    • High heat transfer aluminum motor body
    • Long bearing life with a balanced rotor according to ISO 1940 standards
    • Insulation class F for a wide operating range (-40° to +70°)
    • 230 V / 50 Hz single-phase fan motor
    • 400 V / 50 Hz three-phase fan motor
    • Certified components according to standards
    • IP 54 Protection Class (optional IP 55 production available)
    • Inverter control available for three-phase fans

    Things to Consider in Fan Selection

    When selecting a fan, four parameters should be considered:

    • Required Airflow
    • Pressure Loss
    • Acceptable Sound Level
    • Electrical Power Connection Type

    For ventilation purposes, the required airflow is determined based on the purpose of the environment, the number of occupants and activities. Below is a table for different environments and required air change factors:

    EnvironmentAir Change Factor
    Auditoriums6-8
    Paint Booths25-50
    Safe Deposit Rooms3-6
    Cinemas and Theaters5-8
    Commercial Kitchens15-30
    Foundries8-15
    Gymnasiums4-6
    Laundries10-20
    Indoor Pools3-4
    Restaurants8-12
    Conference Rooms6-8
    Waiting Rooms, Copy Rooms10-15
    Machinery Rooms10-40
    Shops4-8
    Dry Cleaning5-15
    General Workshops4-8
    Hospitals8-12
    Laboratories8-15

    Based on the above factors, the required airflow can be calculated as:

    • Q[m3/hour]=Airchangefactor(1hour)×Volume(m3)Q [m³/hour] = Air change factor (1 hour) × Volume (m³)
      or
    • Q[m3/hour]=Numberofpeople×requiredairflowperpersonQ [m³/hour] = Number of people × required airflow per person

    Once the required airflow is determined, the suitable duct design should be made, considering sound and air velocity criteria, and pressure losses should be calculated. Based on the environment where the fan will operate, the fan type (axial, radial, roof, smoke extraction, etc.) should be selected according to the specified airflow-static pressure curve.

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