SISW Centrifugal Blower Fan

SISW (single inlet, single width)

Key Features:

  • AMCA Air Certified Ratings Seal
  • AMCA Sound Certified Ratings Seal for both inlet and outlet sound
  • High efficiency, low noise.
  • Corrosion resistant.
  • Frame: GI, MS, SS
  • Impeller: Mild Steel ,Stainless Steel.

Centrifugal fans feature a single impeller that pulls in gases from the front and pushes them out the sides for effective ventilation and exhaust.

The single-inlet, single-width model is an excellent choice for exhaust air, supply air, filtration, heating, air conditioning, and industrial process applications. It provides high-quality air movement with single-width centrifugal fans designed to ensure efficient and reliable operation. 

These centrifugal fans are made with state-of-the-art equipment and undergo quality control testing to ensure trouble-free startup.


Specifications of the SISW Centrifugal Blower Fan:

  • Shape: single inlet, single width.
  • Types of structure Belt drive 
  • Available Sizes: 315-1000 mm
  • Capacity: 28,883 CMH
  • Static pressure: up to 1500 Pa
  • Total efficiency up to 80%
  • SISW Model: Includes a backward inclined wheel offered in aluminum (315-710 mm) and steel (800-1000 mm).
  • Total pressure: up to 152.44 mm
  • Max operating temperature: 50 degrees
  • Air stream temperature: 21 degrees
  • Available materials are stainless steel, mild steel, galvanized steel, and aluminum.


  • Motors are totally enclosed. 
  • Motor voltage: 300/400/415
  • Available motor classes F and H
  • Ingress protection IP55
  • The motors are ICE designs.
  • Motor efficiency IE1, IE2, IE3, and IE4
  • Motor speed: 2–8 poles (750–3200 RPM)

Advantages of the SISW Centrifugal Blower Fan:

  • Most compact belt-drive arrangements
  • The motor is mounted beneath the drive frame.
  • Belt drive design for easy performance in the field.
  • Backward-inclined design for sound efficient operation.
  • The housing is constructed of galvanized steel with zinc GSM275 for durability.
  • SISW fan shafts transfer energy, durable steel, reliability, maintenance, and lubrication.
  • The fan’s backward inclined wheel is aluminum, providing high efficiency with a low sound level. 
  • Moderate dirt and heat tolerance

Suggested Applications:

  • Commercial and residential buildings
  • Dust collection systems
  • Automotive facilities
  • Power Plants
  • Agriculture:
  • Warehouses
  • Metro stations
  • Mid- and high-rise buildings
  • General or fume exhaust
  • Kitchen smoke and grease exhaust
  • Stairwell pressurization
  • Filtered exhaust
  • Industrial process exhaust

Standards and Certificates:

  • AMCA Air and Sound Performance
  • CE Certified 
  • UL Listed
  • CSA
  • FM
  • TUV

Options and accessories:

  • Inlet connection
  • Slip-fit flange 
  • Punched flange