Accessories - Rotary Air Lock

Rotary Air Lock

N.R. Murphy's Rotary Air Lock combines craftsmanship with trouble free efficient design. The Air Locks are used to provide an airtight seal on cyclones, dust filters, storage bins, enclosed mechanical conveyors, etc.

For assistance in selection to suit a specific application, please contact our highly trained technical staff. All inquiries will be answered promptly.


  • Heavy gauge all welded construction painted our standard colour.
  • Three standard sizes up to 193 cu ft per min. capacity available from stock.
  • Maintains pressure or vacuum up to 20" W.G.
  • Sturdy six blade rotor ciw replaceable one piece full pocket double wiper neoprene seals.
  • Removable side plate for easy access to replaceable seals.
  • Simplified drive assembly.
  • Full size outlet prevents excessive wear and achieves improved product discharge.
  • Inlet adaptable to suit all applications.
  • Suitable for all types of products e.g. plastic, metal, grain, chemical, wood, etc.
  • T.E.F.C. motors.
  • Special metals and/or seals available for high temperatures, corrosiveness or product contamination (allow extra time for delivery).

Note: Rotary Air Lock is also referred to as Rotary Valve, Rotary Feeder, Cell Wheel.

Available Sizes:

Size 1 Size 2 Size 3
Inlet & Outlet Diameter: 10" x 11 3/4" 16" x 17 3/4" 20" x 21 3/4"
Motor H.P.: 3/4 1 1/2 2
Capacity per cu.ft.
100% full per one revolution:
1.35 6.3 13.5
Revolutions per minute: 28.7 19.3 14.3
* Matching flanges on inlets & outlets are supplied with all sizes
*Round inlet adapaters are available when required
Consideration should be given for extra height.

Click here for Rotary Air Lock Dimensions & Specifications of Standard Design.

� Custom designed Rotary Air Lock is also available �

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