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Dündar FT 35V Blower Three-Phase Axial Cooling Fan, 3500 m³, 1450 RPM

$113.29 $157.35 · In stock

Brand: Dündar · SKU: 108354200V · Warranty: 24 months

Dündar FT 35V Blower Three-Phase Axial Cooling Fan, 3500 m³, 1450 RPM

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Product description

Dündar FT 35V Blower Three-Phase Axial Cooling Fan Specifications

Product Type

V

AC/DC

Watt

Speed (rpm)

Flow rate (m³/h)

Noise (dB(A))

Weight (kg)

FT 35-V

380

AC

200

1450

3500

62

6


MODEL ØA ØD H F G B
FT 35-V 370 350 135 85 415 455

What Is an Axial Fan?

An axial fan is a type of fan that causes air to flow in an axial direction parallel to the shaft on which the blades rotate. The airflow is axial at both inlet and outlet. Impellers rotating around an axis draw air parallel to that axis and push it outward in the same direction. The fan is designed to generate force that creates a pressure difference, driving flow across the fan. Axial fans produce a high-velocity airflow, generating large volumes of air movement. However, the air pressure they produce is low. Blower and cooling axial fans, as their name implies, create a cooling effect by blowing onto hot air.

Where Are Dündar F Series Blower Axial Fans Used?

  • Exhaust of hot air in environments with high air temperatures
  • To accelerate heat transfer in evaporators or condensers
  • Cooling of industrial machinery

Dündar F Series Blower Axial Fan Motors

  • 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 for a high operating range for windings from −40 °C to +70 °C,* 230 V / 50 Hz. Single-phase fan motor,
  • 400 V / 50 Hz, three-phase fan motor
  • Standards-compliant certified components,
  • IP 54 protection class (IP 55 production option available on request)
  • Variable frequency drive (VFD) control capability for three-phase fans

Dündar F Series Blower Axial Fan Housing and Impeller Sections

  • 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 balanced to ISO 1940 standards, rear protection guard compliant with EN 60335-2-80 standards,
  • Slim, compact design takes up 50% less space than comparable units with motor and impeller combined,
  • Low Noise Level

Things to Consider When Selecting an Axial 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 work areas) 60 m³/h

The amount of air per person in living and working spaces depending on activity level 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 coefficient (1 hour) × Space volume (m³)

Or

  • Q [ m³/h ] = Number of people × Air flow rate required per person
After calculating the required air flow rate, an appropriate duct design (considering 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, centrifugal, roof-mounted, smoke exhaust, etc.) should be selected, and the appropriate fan should be chosen from the relevant performance curve based on the determined flow rate–static pressure pair. To briefly illustrate the above with an example: an office has 5 employees, a ceiling height of 2.6 m, and a floor area of 50 m², giving a volume of 2.6 × 50 = 130 m³. The air change rate given for offices in the air change coefficient table was 4–8. Taking an average of 5: 130 × 5 = 650 m³/h air requirement. Assuming normal activity in the office: 5 persons × 29 m³ = 145 m³ for the occupants, giving a total of 650 + 145 = 795 m³/h air requirement.

Fan selection is also made based on this flow rate requirement.

After completing the flow rate calculations, the installation location of the fan must be determined. Where will the fan be mounted — on the ceiling, wall, chimney or ventilation duct? Another consideration is the voltage of the electrical supply to the fan. Since we are using an office as our example, let's continue from there. Fans are generally mounted on walls or windows in offices. If domestic electricity is to be used, a single-phase fan should be preferred. If the fan is to be used in an industrial setting, a fan operating on three-phase (380 V) power should be used.

Specifications

BrandDündar

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