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Dündar SM 45 Industrial Axial Extractor Fan, Single-Phase, 5,000 m³, 1,350 RPM

$123.90 $172.09 · In stock

Brand: Dündar · SKU: 103454100 · Warranty: 24 months

Dündar SM 45 Industrial Axial Extractor Fan, Single-Phase, 5,000 m³, 1,350 RPMDündar SM 45 Industrial Axial Extractor Fan, Single-Phase, 5,000 m³, 1,350 RPM

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Product description

MODEL ØA B ØC ØD E F
SM-45 470 495 525 450 150 125

What Is an Axial Fan?

An axial fan is a type of fan that causes air to flow axially, parallel to the shaft on which the blades rotate. Flow is axial at both inlet and outlet. Blades rotating around an axis draw air parallel to that axis and push it out in the same direction. The fan is designed to generate force by creating a pressure difference, resulting in flow through the fan. Axial fans produce high-velocity airflow, generating large volumes of air movement. However, the airflow they produce is at low pressure. Blower and cooling axial fans, as the name suggests, create a cooling effect by blowing air over hot surfaces.

Where Are Industrial Axial Fans Used?

  • Axial fans are widely used for ventilation and cooling in industrial, residential, and commercial settings.
  • They are very well suited for applications requiring high airflow rates.
  • Thanks to specially designed blade structures developed with advanced software technology, high airflow rates are achieved at minimum noise levels.
  • Hot air exhaust in high-temperature environments, general and industrial buildings,
  • Warehouses, stockrooms, and storage facilities,
  • Garages and public buildings, agricultural buildings,
  • Commercial greenhouses,
  • Large workshops,
  • Paint shops,
  • Factories,
  • Environments containing dust and vapor,
  • Cooling of industrial machinery (welding machines, transformers, compressors)

Fan Housing and Blade Components of Axial Exhaust Fans

  • Casing and fan blades made of cold-drawn, high-quality DKP sheet steel,
  • High corrosion resistance with environmentally friendly electrostatic epoxy powder coating,
  • Impeller blades dynamically tested to ISO 1940 standard,
  • Front and rear protection guards conforming to EN 60335-2-80 standards,
  • Slim, compact design with motor and impeller takes up 50% less space than comparable models,
  • Low Noise Level

Motor of Axial Exhaust Fans

  • Quality production without manual handling on high-technology CNC machines,
  • Aluminum-finned motor housing with high thermal conductivity,
  • Rotor balanced to ISO 1940 standards for extended bearing service life,
  • Insulation class F with a high operating range for coils from −40° to +70°; * 230 V / 50 Hz single-phase fan motor. Click for the three-phase model.
  • Standards-compliant certified components,
  • IP 54 Protection Class (IP 55 production available on request)
  • Variable frequency drive (VFD) control usable with three-phase fans

Points to Consider When Selecting an Axial Exhaust Fan

4 parameters should be considered when selecting a fan:
  • Required Air Flow Rate
  • Pressure Losses
  • Acceptable Noise Level
  • Electrical Power Connection Type
The air changes required for the space to be ventilated depend on the intended use of the space, the number of occupants and objects inside, and their activities. The table alongside provides the required air change rate coefficients for different environments.

Environment Air Change Rate
Auditoriums 6-8
Paint Ovens 25-50
Vault Rooms 3-6
Cinemas and Theaters 5-8
Commercial Kitchens 15-30
Foundries 8-15
Gymnasiums 4-6
Laundries 10-20
Indoor Swimming Pools 3-4
Restaurants 8-12
Conference Rooms 6-8
Waiting Rooms 4-6
Copy Rooms 10-15
Machine Rooms 10-40
Shops 4-8
Dry Cleaning 5-15
General Manufacturing Areas 4-8
Hospitals 8-12
Laboratories 8-15
Normal Activity (non-smoking) 29 m³/h
Normal Activity (smoking) 58 m³/h
Light Activity 45 m³/h
Heavy Activity (industrial workspaces) 60 m³/h

The amount of air per person in living and working spaces, depending on activity, can help determine the required air flow rate.

Based on the information provided above, the required air flow rate is determined as follows.

  • Q [m³/h] = Air change rate (1 hour) * Room volume (m³)

Or

  • Q [m³/h] = Number of persons × Air flow rate required per person
After determining the required airflow for the space, the appropriate duct design (taking into account noise and air velocity criteria) must be carried out and pressure losses must be calculated. Depending on the environment in which the fan will operate, the fan type (axial, radial, roof, smoke exhaust, etc.) should be decided upon and the appropriate fan should be selected from the relevant fan curve based on the determined flow rate–static pressure pair. To briefly illustrate the above information and the table with an example: an office has 5 employees, a ceiling height of 2.6 m, and a floor area of 50 m²; therefore it has a volume of 2.6 × 50 = 130 m³. The air change rate given for offices in the air change rate table is 4–8; let us take an average of 5. The air requirement is 130 × 5 = 650 m³/h. Assuming normal activity in the office, 5 people × 29 m³ = 145 m³ of air is needed for the occupants, giving a total air requirement of 650 + 145 = 795 m³/h.

Fan selection is made according to this flow rate requirement.

After completing the flow rate calculations, the location where the fan will be installed should be determined. Where will the fan be installed — on the ceiling, wall, chimney, or ventilation pipe? Another consideration is the voltage of the electrical supply to the fan. Taking the office as our example, fans in offices are generally mounted on a wall or window. If standard residential electricity is to be used, a single-phase fan should be selected. For use in an industrial setting, a fan operating on three-phase (380 V) power should be used.

Specifications

BrandDündar

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