Dündar CK10-E1 Round Metal Radial Inline Duct Fan, 250 m³, 2700 RPM

Other options

• Dündar CK12-E1 Metal Round Duct Radial Fan, 350 m³, 2,650 RPM (out of stock)
• Dündar CK15-E1 Circular Metal Duct Radial Fan, 550 m³/h, 2,400 rpm (out of stock)
• Dündar CK16-E1 Metal Round Inline Duct Radial Fan, 600 m³, 2,400 RPM (out of stock)
• Dündar CK20-E1 Metal Radial Round Duct Fan, 950 m³, 2,500 RPM – $97.99
• Dündar CK25-E1 Metal Radial Round Inline Fan, 1250 m³, 2200 RPM – $104.18
• Dündar CK31-E1 Circular Metal Duct Radial Fan, 1,800 m³/h, 2,400 rpm – $111.23

Product description

Product Type

V

AC/DC

~

Weight

W

Sound

rpm

m³/h

CK 10 E1

230

AC

1

3.8

90

45

2700

250

What Is a Duct Fan?

What Are the Advantages of Duct Fans?

• Powerful airflow and easy installation
• It provides sustained high pressure, high efficiency, and low noise.
• Both sides of duct fans can be connected to ducts and secured with clamps. The fans can operate in any mounting position.

Dündar Duct Fans – Fan, Body, and Impeller

• Galvanized sheet metal body with high corrosion resistance for duct fans,
• Backward-curved duct-type impeller dynamically tested to ISO 1940 standards,
• Low noise level

Dündar Duct Fans – Motor

• High-efficiency external rotor motor
• Quality production without manual handling on high-technology CNC machines,
• Long bearing service life with a rotor impeller balanced to ISO 1940 standards,
• Wide operating range for windings with insulation Class F, from -40° to +70°,*
• 230 V / 50 Hz single-phase fan motor,**
• Thermal overload protection on single-phase fans – compliant certified components,
• IP 44 protection class,
• The operating range stated is for the winding only.
• The operating range for the motor is -20° to +45°.
• Please contact us for other options.
• Custom production in various voltages and frequencies available on request.

Dündar Duct Fan Applications

• Designed for use in duct or pipe applications.
• If free-running operation is required, please contact us!!
• 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 with dust and vapor,
• Cooling of industrial machinery
• (Welding machines, transformers, compressors…)*

Information:

• Product data may vary in technical values depending on the application.
• All data has been measured in accordance with TSE and EC standards.
• Sound level measurement was taken at a distance of 1.5 m from the product.
• Recommended service life is 10 years.
• All products carry a warranty certificate approved by the Ministry of Industry.
• Warranty period is 2 years.
• Dündar reserves the right to make changes without prior notice for the purpose of improving its products.



• Type: Inline Fan
• Operating Voltage: 220 V
• Impeller Diameter (cm): 9.8
• Volume Flow (m³/h): 250
• Power (W): 90
• Speed (RPM): 2,700

Points to Consider When Selecting a 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	Copy Rooms
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.




Normal Activity (Non-Smoking)	29 m³/h
Normal Activity (Smoking)	58 m³/h
Light Activity	45 m³/h
Heavy Activity	60 m³/h







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 determining the required air flow rate for the space, an appropriate duct design (taking noise and air velocity criteria into account) should be made and pressure losses calculated. The fan type (axial, radial, roof, smoke extraction, etc.) should be decided based on the operating environment, and the appropriate fan should be selected from the relevant fan curve according to 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 meters, and a floor area of 50 m², giving a volume of 2.6 × 50 = 130 m³. The air change rate coefficient given for an office in the table is 4–8; let's take 5. 130 × 5 = 650 m³/h air requirement. If we assume normal activity in the office, 5 people × 29 m³ = 145 m³ for employees, 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 should be determined. Where will the fan be mounted — ceiling, wall, chimney, or ventilation duct? Another consideration is the voltage of the electrical supply to the fan. Continuing with our office example: fans in offices are generally mounted on a wall or glass. If a domestic electricity supply is used, a single-phase fan should be preferred. If it is to be used in an industrial setting, a fan operating on three-phase (380 V) power should be used.

Specifications

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