Twin in line Direct Drive Fan


General Description

The fan of the TWD Series are particularly designed for installation where it is mandatory to guarantee an uninterrupted air exhaust even in case of failure.

The units are provided with duty and stand-by fan which automatically starts in case of breakdown.

Duty and stand-by fans can be manually exchanged with a dedicated control logic, available in different versions (Auto changeover Panel).

Airflow range – 175 to 6,000 CMH.



  • Pantry/kitchen room exhaust.
  • Toilet exhaust small/large size.
  • Utility room.
  • Any field of  uninterrupted ventilation needs.
  • Maximum temperature 50°C.




  • Cabinet is manufactured in PPGL sheet, removable access panel on top to allow easy access to fan and motor.
  • Acoustic lining in self-extinguishing technopolymer. 


  • Double inlet double width blower, forward curved, with direct drive built-in asynchronous Motor, single phase or three phases, particularly suitable for speed regulation (using the suitable speed regulator shown in the catalogue).
  • The blower is fitted using suitable support feet and is completely isolated from casing by anti-vibration mounts and gaskets.


  • Controller -AC-02/04.
  • Floor mounted leg.
  • Ceiling mounted bracket.

Upon request

  • Version with double skin panels (20 mm thick).
  • Different discharge orientation.
  • TW-D construction available in AL extruded profile on request with PPGL/AL sheet.
  • Blowers with EC motors are available on request (performance of these blowers are not certified by AMCA).
  • Revit models for BIM.

  • Intertek
  • applus
  • ul
  • amca
+91 7767800015/16