Yurtfan ALK-4M High-Pressure Centrifugal Fan, Aluminum Casing, 2600 m³/h, 60 mmWC, Single-Phase

Other options

• Yurtfan ALK-1M Aluminium Body High-Pressure Centrifugal Fan, 800 m³/h, 35 mmWG, Single-Phase (out of stock)
• Yurtfan ALK-1T Aluminum-Cased High-Pressure Centrifugal Fan, 800 m³/h, 35 mmSS, Three-Phase (out of stock)
• Yurtfan ALK-2M Aluminum Casing High-Pressure Centrifugal Fan, 1700 m³/h, 45 mmWG, Single-Phase (out of stock)
• Yurtfan ALK-2T Aluminum Casing High-Pressure Centrifugal Fan, 1,700 m³/h, 45 mmSS, Three-Phase (out of stock)
• Yurtfan ALK-3M Aluminum High-Pressure Centrifugal Fan, 2100 m³/h, 50 mmSS, Single-Phase (out of stock)
• Yurtfan ALK-3T Aluminum-Casing High-Pressure Centrifugal Fan, 2,100 m³/h, 50 mmH₂O, Three-Phase (out of stock)
• Yurtfan ALK-4T Aluminum-Cased High-Pressure Centrifugal Fan, 2,600 m³/h, 60 mmSS, Three-Phase (out of stock)
• Yurtfan ALK-5M Aluminum-Body High-Pressure Centrifugal Fan, 3,700 m³/h, 70 mmWG, Single-Phase (out of stock)
• Yurtfan ALK-5T Aluminum Housing High-Pressure Centrifugal Fan, 3700 m³/h, 70 mmSS, Three-Phase (out of stock)
• Yurtfan ALK-6M Aluminum High-Pressure Centrifugal Fan, 4,650 m³/h, 100 mm WC, Single-Phase (out of stock)
• Yurtfan ALK-6T Aluminum Housing High-Pressure Centrifugal Fan, 4,650 m³/h, 100 mmWC, Three-Phase (out of stock)

Product description

What Is a Centrifugal (Snail) Fan?

The advantages of centrifugal fans are as follows:

• Wide application range
• High-temperature, corrosive, and abrasive environment applications
• Easier access to the motor compared to direct-drive axial fans
• More efficient and quieter operation, especially in locations with variable flow resistance
• High structural stability
• Very high pressures and flow rates

Where Are High-Pressure Centrifugal Fans Used?

• Iron and steel,
• Glass,
• Chemical,
• Cement,
• Processes requiring high pressure in facilities such as mining.
• The most common application is boilers for central heating systems.

Things 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.

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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