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Numatics Air Bellows

Air Bellows

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The Numatics Air Bellows is the ideal pneumatic solution to short-stroke - High load cylinder / actuator applications. They are also able to provide a safe, quiet and consistent suspension system for vibrating and noisy machinery.

Standard Specifications

  • Diameters, 80 to 800mm
  • Stroke lengths up to 16 3/4"
  • Load capacity up to 15,000lbs.
  • Medium; Compressed air - filtered & non - lubricated
  • NPT or G ports
  • Operating Temperature, -40° C to + 70° C (-40° F to + 140°F)


  • Single-acting low cost actuator, no maintenance or lubrication, no pistons or moving parts

    Air Bellows Cutaway


Lifting Table Lifting Table:
Lifting force is multiplied in an uncomplicated fashion by parallel connection of several Numatics bellows.
Roller Tensioner Roller Tensioner:
Uniform pressure applied against rollers.
Irregularities in the material to be treated are offset thanks to the characteristics of the Numatics bellows.
Press Press:
Easy to adjust pressure force via a wide lift range.
Conveyor Stop Conveyor Stop:
Low minimum height
Fast lift movement.
Conveyor Tensioning Device Conveyor Tensioning Device:
Adjustable tensioning force or varying conveyor belt load
No deflection if the tensioning force is increased.
Tilting Tilting:
Can be used even in dusty or dirty environments.
Scissors-Type Lifting Table Scissors-Type Lifting Table:
Tip angles of up to 30° possible.
Clamping Devices Clamping Devices:
Environmentally hazardous media do not escape in the event that bellows are damaged.

For more information, please call your Numatics Distributor.

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