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Duct Fans

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Duct Fans

Duct fans are cylindrical and will be installed in the place of one section of ductwork. EC Duct Fan and AC Duct Fan are available.

Duct Fans

EC Duct fan (Type: KHAG)

Properties

  • flow rates up to 12,000 m³/h
  • duct size: 40 x 20 cm to 100 x 50 cm
  • swing out motor and impeller unit
  • backward curved impellers
  • integrated control system (EC controller)
  • speed is 100% infinitely variable
  • sound-proofed version possible (..WS)

Casing

The casings are made of galvanised sheet steel, formed as a rectangular duct, for direct installation in air ducts in any position. Suction and pressure side equipped with standard flanges. The complete motor-impeller unit can be folded out for cleaning purposes. The sound-proofed series (..WS) provides extremely low noise values with a space-saving, sound-absorbing perforated plate coating at concise points. The fans are only suitable for indoor installation.

Impellers

Aluminium sheet impellers (ALMg3) with backward curved blades are used. The impellers are mounted directly on the rotors of the external rotor motors and are dynamically balanced on two levels with the rotor according to quality level G 2,5 / G 6,3 as per DIN ISO 21940-11..

Electrical connection

Integrated motor protection is indicated via an alarm relay. In the “open loop” (standard) model, the speed is continuously provided by a 0-10V signal or a potentiometer (accessory). 

Direction of rotation

The direction of rotation is clockwise as seen from the suction side.

seen from the suction side.

Downlods

Catalogue: WORLD OF EC FANS Catalogue: WORLD OF EC FANS

Format: .pdf

Size: 24.35 MB

 
 
Design and Downloads Collapse

Duct fan ; swing-out (Type: KHAE / KHAD)

Properties

  • flow rates up to 11,000 m³/h
  • duct size: 40 x 20 cm to 100 x 50 cm
  • swing out motor and impeller unit
  • backward curved impellers
  • speed is variable using auto transformers
  • extremely low starting current
  • sound-proofed version possible (..WS)

Casing

Casings are made of galvanised steel sheet in the shape of rectangular ducts for direct installation into an air duct in every position. Suction and pressure side equipped with standard flanges. The complete motor-impeller unit can be folded out for cleaning purposes. The sound-proofed series (..WS) provides extremely low noise values with a space-saving, sound-absorbing perforated plate coating at concise points. The fans are only suitable for indoor installation.

Impellers

Aluminium sheet impellers (ALMg3) with backward curved blades are used. The impellers are mounted directly on the rotors of the external rotor motors and are dynamically balanced on two levels with the rotor according to quality level G 2,5 / G 6,3 as per DIN ISO 21940-11..

Electrical connection

The drive motors are fitted with an outgoing cable. The electrical connection is made via an IP44 terminal box which is supplied loose.

Direction of rotation

The direction of rotation is clockwise as seen from the suction side.

Downlods

Catalogue: WORLD OF AC FANS Catalogue: WORLD OF AC FANS

Format: .pdf

Size: 37.52 MB

 
 

 Construction scheme: Duct fans (KHAE/KHAD) Construction scheme: Duct fans (KHAE/KHAD)

Format: .pdf

Size: 428.83 KB

 
Design and Downloads Collapse
Duct fan swing out
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