DIDW Forward / Backward Curved Centrifugal Fans

For Industries, Offices, Hotels, Metros, Hospitals, Factories, Animal Husbandries, Shopping malls, High rise buildings.


  • Carbon steel / Stainless steel construction.
  • Capacity up to 60000CFM.
  • Size from 7 to 18 inches
  • Static Pressure upto 200 mmwg.
  • Direct drive or belt drive both types.
  • AMCA Air Certified Ratings Seal.
  • AMCA Sound Certified Ratings Seal for both inlet and outlet sound.

Salient Features

  • Corrosion resistant, electrostatically applied and baked powder coatings.
  • High efficiency, low noise.
  • Damper or VSD controllable.


“DIDW Forward Curved Fans” refer to a specific type of centrifugal fan design that combines the characteristics of “Double Inlet Double Width” (DIDW) and “Forward Curved” or “Backward Curved” impellers.

DIDW indicating that the fan has two inlets and a wider width compared to standard centrifugal fans. This design feature allows for higher airflow capacity and improved efficiency. DIDW Forward Curved Fans supplier in India, DIDW Backward Curved Fans supplier in India. DIDW backward curved centrifugal fan, DIDW forward curved centrifugal fan.

Forward Curved Impellers: Forward curved impellers are a type of blade design used in centrifugal fans. These impellers have blades that curve in the direction of rotation, similar to the blades of a hamster wheel. The forward curve design allows for smoother airflow and quieter operation, making them suitable for applications where low noise levels are essential.

Backward Curved Impellers: Backward curved impellers are a type of blade design used in centrifugal fans. These impellers have blades that curve away from the direction of rotation, opposite to the direction of a hamster wheel. The backward curve design allows for efficient and stable airflow delivery, making them suitable for applications requiring higher static pressure.


  • HVAC Systems
  • Manufacturing Facilities
  • Commercial Kitchens
  • Automotive Industry
  • Aerospace and Aviation
  • Power Plants
  • Industrial Ventilation

Standards and Certifications

  • AMCA Certification
  • ATEX Certification
  • CE Marked
  • UL Listed

Also check out Centrifugal Square, Insulated Inline Fans, Circular Inline Fans / Duct Fans, Heavy Duty Industrial Exhaust Fans and SISW Forward / Backward Curved Centrifugal Blower / Fans.