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Blauberg Box

  • Description
  • Modifications
  • Downloads
  • Designation key
  • Accessories
Description
Description
USE

Supply and exhaust ventilation systems installed in various premises. Compatible with 400x200 up to 1000x500 mm rectangular air ducts.

DESIGN

Atmospheric resistant galvanized steel casing. The fan is rated for continuous operation. Fitted with standard 20 mm connecting flanges for connection to rectangular air ducts. Access cover on the casing for inspection and maintenance operations. The fan is equipped with a built-in terminal box with a leaded outside sealed electrical lead-in for connection to power mains.

MOTOR

Two- or four-pole asynchronous motor with external rotor and centrifugal impeller with backward curved blades. Single-phase (E) or three-phase (D) motor modifications. Equipped with ball bearings for longer service life. Dynamically balanced impeller. Overheating protection by built-in thermal switches with automatic restart or with leaded outside terminals for connection to external protecting controls. The thermal switch terminal leads are designed for connection to respective circuit of the contacter, overload relay or respective terminals of the autotransformer or thyristor speed controller.

  SPEED CONTROL

Smooth speed control with an external thyristor controller or step speed control with an external auto transformer (both available upon separate order).

MOUNTING

The fan is designed for mounting inside rectangular air ducts and can be installed in any position. The fan flanges are connected to the air ducts through the bolts inserted into the flange holes. The fan is suitable for mounting into round duct at intake flange with a round reducer (available upon separate order). If vibration-absorbing flexible connectors are used to connect the fan to the air ducts provide their fixation to mounting structures with supports or brackets. While mounting provide enough space for accessing the cover for service operations.

Modifications
Modification name
Box 100x50 4D
Box 100x50 6D
Box 40x20 2E
Box 50x25 2E
Box 50x30 4D
Box 50x30 4E
Box 60x30 4D
Box 60x30 4E
Box 60x35 4D
Box 60x35 4E
Box 60x35 4E max
Box 70x40 4D
Box 80x50 4D
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Documents archieve
Documents archieve
Select a document type
  • Catalogues
  • Technical documentation
  • Certificates
Name
Box (rectangular) - data sheet (pdf 1.3Mb)
Box - image (png 699.03Kb)
Box - user's manual (pdf 3.76Mb)
Box 100x50 4D - image (png 495.17Kb)
Designation key
Designation key
Series Flange size (width x height) [cm] Motor
Number of poles Phase
Box 40x20; 50x25; 50x30; 60x30; 60x35; 70x40; 80x50; 100x50 2; 4; 6 E: single-phase
D: three-phase
Accessories
Accessories
Silencers Filter boxes Electric heaters Water heaters Air dampers Gravity dampers Flexible antivibration connectors Speed controllers
                
SD KFBK / KFBT EKH  WKH

SL

VG EVA CDTE 1.8