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pneuCONVEYOR systems & engineers - committed to Quality & Performance <--------> pneuCONVEYOR - Manufacturer & Exporters of Vacuum Powder Transfer System / Tubular Chain Drag Conveyor / Screw Conveyor / Pneumatic Dense Phase & Dilute Phase Powder Transfer System / Sifters / Blenders / Mixers / Bag Slitting Machine / Drum Weighing & Filling Station / Batch Weighing systems / Jumbo Bag Loading & Unloading Station & other related machinery


Product Profile  :  pneuCONVEYOR – Rotary sifter is designed to handle a wide variety of food, chemical and mineral products. Rotary sifters are primarily used to separate oversize, lumps and /or foreign objects from the main product stream.

The product is uniformly fed into the stationary horizontal cylindrical sieve by means of a short in feed screw. Once the product enters the screening area rotating paddles centrifugally force the fine material against and through the screen. Soft agglomerates are broken up by the paddle action, whilst any oversize particles or foreign object pass out the end of the screen into a waste collection bin or back into the system for re-processing. Adjustable weirs control the flow of oversize and retention time in the sifter.

Typical advantages of Rotary Sifter:

  • Ultra high throughput per square foot of cloth area
  • Three-bearing shaft support, drilled for air purge
  • Fully adjustable 4-paddle rotor
  • Removable tool less light-weight rotor assembly
  • Dust-free, sanitary operation
  • Approved design for use by USDA, FDA.


  • Totally enclosed pneuCONVEYOR® – Rotary Sifter eliminates dust problems.
  • Self-cleaning
  • Smooth and quiet operation
  • Tool-less screen change
  • Easy access to all internal working parts

Technical specifications :

Rotary Sifter is a non-vibrating screening machine. It is available in different capacities. Material is fed via screw feeder impeller rotating between 600 to 2800rpm, between stationary screen baskets having a screen fitted very tightly. The impeller and basket are fitted horizontally in a closed dust proof body. From the top material is fed from bottom the fine and coarse powders are collected. Separation of powder is effected by the air turbulence created by the impeller, which pushes out finer powder through the screen aperture. Oversize is rejected from the front. Excellent for separation of fine, free flow, nonabrasive powders from 60 to 300 mesh.

Capacity: pharma/food/chemical powders 60 mesh 1000 kgs/hr. 200 mesh 500 kgs/hr;

Power: 1 to 5 HP

Rotary sifters offer high efficiency separation and high throughputs. Easy to clean designs are available with quick release disassembly without tools. A range of screen sizes are available and may also be quickly and easily removed, cleaned and replaced.

pneuCONVEYOR – rotary sifters offer more throughput capacity per screen area than any conventional screening equipment. Our maintenance-friendly design allows large, quick-opening access doors to be easily installed that ensure access to the sieve chamber and all internal working parts. Virtually no tools are required for screen frame assembly changes and changing or replacing these screens takes only minutes.

Rotary Sifter




SCREEN CAGE SIZE (MM)      (diameter * length)



SS304 / SS316  

180mm * 650mm

40-500 MESH


SS304 / SS316      

300mm * 1000mm

40-500 MESH


SS304 / SS316      

500mm * 1300mm

40-500 MESH

Our exclusive pneuCONVEYOR – Rotary Sifter design is totally enclosed and operates quietly and efficiently with no dust issues, motion or vibrations. We are also proud to offer a brand name pneuCONVEYOR – Rotary Sifter, which was specifically designed for heavy duty pre-scalping by trapping and protecting the sieve cloth from tramp metal, stones and other unwanted particles. This Rotary Sifter is ideal for sizing, sifting, scalping, classifying, and breaking of agglomerates.

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ADDRESS: Pneuconveyor systems & engineers   Unit: 23&24, Padmini Industrial Complex, Purna-Gondivli Road, Purna, Bhiwandi-406125. INDIA

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