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Vacunair Engineering Co. Pvt. Ltd

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Industrial Blowers, Coolers & Fans

We offer the best product range of Centrifugal Air Blowers, Axial Flow Fans, Bifurcated Axial Flow Fan and Side Channel Blower.

Centrifugal Air Blowers

  • Features Unique bearing pedestal design for longer bearing life / easy alignment
Centrifugal Air Blowers Fans are a new concept in Fan Engineering. Each type 14 to 40 has different specific speed for best efficiency. Each type has various sizes selected from basic log series of preferred numbers. This has made it possible to select the best type and size for a given speed, capacity and pressure. Selection of SWSI DWDI Multistage is based on specific speed for a suitable type for best efficiency.
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Axial Flow Fans

 » Axial Flow Fans are available in Capacity: Up to 3, 00, 000 M3/hr Pressure: Up to 100 mm of WG.
 » To achieve high efficiency, fans have a defined hub ratio of 75 to 25 for given capacity, pressure and speed
 » Impeller blades are adjustable type and can rest at designed angle to suit the system resistance
 » Fan can run in parallel to suit capacity and in series for higher pressure
 » Impeller is made of aerofoil profile from cast aluminum alloys
 » Bifurcated type fans are available for handling corrosive gases
 » High efficiency can be achieved due to wide selection of sizes, hub ratio, number of blades and pitch angle
 
 
 
   
   
   
   
   
   
   
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Bifurcated Axial Flow Fan

» Bifurcated Fans specially designed for handling hot, corrosive gases. The drive direct / vee belt is totally isolated form gas stream
 » Applications: Chemical, fertilizer, paper plants, etc.

 

Accesories:
 » SILENCER: For applications requiring quiet operation, customs built attenuation packages can be provided on the fan inlet or outlet. attenuators are aerodynamically and are designed to significantly reduce noise while adding only minor resistance to air flow. Variable Inlet Vane: For frequent continuous volume control, a variable inlet vane can be provided. Variable inlet vanes are available for each specific fan size and are bolted to the fan's flanged inlet. The vane action during dampering works to spin the air in the direction of the wheel rotation this resulting in lower power consumption. Vane mechanism is outside of the air stream and is controlled buy a single vane lever. Variable inlet vanes can be set up for manual or automatic operation. The variable inlet vane's inlet is flanged and drilled to accept ductwork or and inlet bell as the system requires. Bird Guard: Safety screening can be provided for installation in the fan inlet, fan outlet, cone or belt. Spark-Resistant Construction: Belt Drive / Direct Drive with Spark-Resistant Construction are available. Inlet Bell: For systems with not ductwork on the fan inlet, it is advantageous to install an inlet bell is a torosoidal shape to avoid inlet losses. The inlet bell is a torosoidal shape to provide a smooth entrance to the fan. Inlet bell are flanged and drilled to mate up with the fan's flanged inlet. Inlet/Outlet Cone: Transition pieces, called cones, can be provided for both the inlet and outlet. Cones are provided to adapt from the fan diameter to the adjacent ductwork diameter. Cones are flanged on both ends and drilled to mate up with fan's flanged. Cones are available with an access door if required. Outlet cones can be utilized to affect performance and transform velocity pressure into static pressure. Companion Flanges: For ease of installation of adjacent ductwork, companion flanges can be provided. Flanges are rolled angle rings, drilled to match the fans inlet or outlet flanges.

 

Details required for Quotation:
 
 » Application
 » Gas to be handle
 » Capacity (M3/Hr Or CFM)
 » Pressure (inch WG Or mm WG)
 » Working Temperature (°F Or °C)
 » Type of Drive
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Side Channel Blower

  • Features Non pulsating continuous air flow., No metal to metal contact, Oil free air
In the chambers set in the periphery the impeller, air is accelerated due to centrifugal force created as the impeller turns and is thrown into the next chamber and is again similarly accelerated, thus continuously increasing compression as the impeller turns until it reaches the outlet port.
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