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Centrifugal fan in scroll casing VENTS VCUN series

Centrifugal fan in scroll casing VENTS VCUN series

Single-inlet scroll-type centrifugal fans with the impeller mounted on the three-phase asynchronous motor shaft. The air capacity is up to 19 000 m3/h. The fan is designed for supply and exhaust ventilation systems.

Fan series   Impeller diameter, mm   Impeller width, mm   Motor modification   Scroll orientation *   Casing rotation angle *
Power, kW Number of poles
VENTS VCUN
  140; 160; 180; 200; 225; 250; 280; 315; 355; 400; 450; 500   74; 93; 103; 127; 143; 183; 203; 229   0,25; 0,37; 0,55; 0,75; 1,1; 1,5; 2,2; 3; 4; 5,5; 7,5; 11 2; 4; 6; 8   R - right side;
L - left side
  0; 45; 90; 135; 180; 225; 270; 315

* Standard casing modification R90

Applications

Supply and exhaust ventilation systems for various premises. The fans can be used as components for ventilation and air conditioning units and are suitable for outdoor mounting.

Design

The fan casing is made of steel with polymeric coating. VCUN fan can be supplied both with the clockwise or counterclockwise rotation impeller. Each modification has few scroll positions to enable connection to the air ducts at any angle with 45° pitch distance.

Motor

The impeller with galvanized forward-curved blades is mounted directly on the 2-, 4-, 6- or 8-pole three-phase asynchronous motor shaft. Ball bearings in the motor ensure long service life. For precise features, safe operation and low noise, each turbine is dynamically balanced while assembly. Motor protection rating IP 54.

Speed control

Both smooth or step speed control is performed by means of the autotransformer or frequency controller. Several fans can be connected to one controller in case the total power and operating current do not exceed the rated controller values.

Mounting

The fan is suitable for installation in ventilating chambers, air conditioning units or can be used separately. In case of independent operation it can be connected to air ducts by means of both exhaust and intake branch pipes or exhaust branch pipe only. The exhaust and inlet branch pipes have rectangular or circular sections accordingly. Power is supplied by means of external terminals.

Scroll orientation (view on the intake side)

Right scroll orientation

Left scroll orientation


VENTS VCUN fan catering ventilation example

Selection table for accessories:

FVC-VCUN Flange designed to connect round ducts to VCUN fans.

RVC-VCUN Grille designed for fan protection against foreign objects.

Anti-vibration mounts VVCr and VVCp Designed for noise reduction and vibration dampering produced by the fans. Provide dynamic loading decrease and increase reliability and durability of ventilation equipment.

    Anti-vibration mount VVCr Anti-vibration mount VVCp

 

Type   Rubber
anti-vibration
mounts
  Spring-loaded
anti-vibration
mounts
  Flange   Grille
VCUN 140х74-0,25-4
  VVCr 8   VVCp 8   FVC-VCUN 140   RVC-VCUN 140
VCUN 140х74-0,37-2
  VVCr 8   VVCp 8   FVC-VCUN 140   RVC-VCUN140
VCUN 160x74-0,55-4
  VVCr 8   VVCp 8   FVC-VCUN 160   RVC-VCUN 160
VCUN 160х74-0,75-2
  VVCr 8   VVCp 8   FVC-VCUN 160   RVC-VCUN 160
VCUN 180х74-0,55-4
  VVCr 8   VVCp 8   FVC-VCUN 180   RVC-VCUN 180
VCUN 180х74-1,1-2   VVCr 8   VVCp 8   FVC-VCUN 180   RVC-VCUN 180
VCUN 200х93-0,55-4
  VVCr 8   VVCp 8   FVC-VCUN 200   RVC-VCUN 200
VCUN 200х93-1,1-2
  VVCr 8   VVCp 8   FVC-VCUN 200   RVC-VCUN 200
VCUN 225х103-1,1-4
  VVCr 8   VVCp 8   FVC-VCUN 225   RVC-VCUN 225
VCUN 225х103-2,2-2
  VVCr 8   VVCp 8   FVC-VCUN 225   RVC-VCUN 225
VCUN 240x114-2,2-4
  VVCr 16   VVCp 16   FVC-VCUN 240   RVC-VCUN 240
VCUN 240х114-3,0-2
  VVCr 16   VVCp 16   FVC-VCUN 240   RVC-VCUN 240
VCUN 250х127-1,5-6
  VVCr 16   VVCp 16   FVC-VCUN 250   RVC-VCUN 250
VCUN 250х127-2,2-4
  VVCr 16   VVCp 16   FVC-VCUN 250   RVC-VCUN 250
VCUN 250х127-5,5-2
  VVCr 16   VVCp 16   FVC-VCUN 250   RVC-VCUN 250
VCUN 280х127-1,5-6
  VVCr 16   VVCp 16   FVC-VCUN 280   RVC-VCUN 280
VCUN 280х127-2,2-4
  VVCr 16   VVCp 16   FVC-VCUN 280   RVC-VCUN 280
VCUN 280х127-5,5-2
  VVCr 16   VVCp 16   FVC-VCUN 280   RVC-VCUN 280
VCUN 315х143-2,2-6
  VVCr 26   VVCp 26   FVC-VCUN 315   RVC-VCUN 315
VCUN 315х143-4,0-4
  VVCr 26   VVCp 26   FVC-VCUN 315   RVC-VCUN 315
VCUN 355х143-2,2-6
  VVCr 26   VVCp 26   FVC-VCUN 355   RVC-VCUN 355
VCUN 355х143-4,0-4
  VVCr 26   VVCp 26   FVC-VCUN 355   RVC-VCUN 355
VCUN 400х183-1,5-8
  VVCr 35   VVCp 35   FVC-VCUN 400   RVC-VCUN 400
VCUN 400х183-2,2-6
  VVCr 35   VVCp 35   FVC-VCUN 400   RVC-VCUN 400
VCUN 400х183-5,5-4
  VVCr 35   VVCp 35   FVC-VCUN 400   RVC-VCUN 400
VCUN 450х203-3,0-8
  VVCr 50   VVCp 50   FVC-VCUN 450   RVC-VCUN 450
VCUN 450х203-4,0-6
  VVCr 50   VVCp 50   FVC-VCUN 450   RVC-VCUN 450
VCUN 450х203-11,0-4
  VVCr 50   VVCp 50   FVC-VCUN 450   RVC-VCUN 450
VCUN 500х229-5,5-8
  VVCr 75   VVCp 75   FVC-VCUN 500   RVC-VCUN 500
VCUN 500х229-7,5-6
  VVCr 75   VVCp 75   FVC-VCUN 500   RVC-VCUN 500
VCUN 500х229-11,0-4
  ВVVCr 75   VVCp 75   FVC-VCUN 500   RVC-VCUN 500

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