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BONOMI Pneumatic Actuators

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Nominal Values:

  • Pressure rating max 115 PSI
  • Temperature range:
    standard (-4ºF; +185ºF), high (-4ºF; +302ºF), low (-40ºF; +185ºF)
  • Pre lubricated for life of actuator on assembly
  • Fully tested on manufacture 100%

Rotation Adjustment 0-90º:

  • From MOD. 52 up to 140
    • standard ± 5º in both clockwise and counterclockwise direction by means of adjusting screws outside the internal air supply chambers
    • Adjusting cam with plane faces for manual intervention
    • Standard optic position indicators
  • MOD. 160-200-270
    • standard ± 5º in counterclockwise direction by means of adjusting screws in the caps
    • Kit for ± 5º in clockwise direction available on request

Die Cast Aluminum End Caps:

  • Standard polyester powder coated
  • Upon request nickel – plated for corrosive environments

Concentring Spring Sets:

  • Standard treatment phosphated
  • High resistance and reliability
  • Spring sets to suit different air pressure/torque requirements
  • Long securing screws to allow safe dismantling for maintenance
  • Same body dimensions for DA/SR versions

Assembling Screw:

  • Stainless steel as standard

External Connection:

  • Top of pinion according to Namur norm
  • Solenoid valve connection according to Namur norm
  • Bottom of pinion according to ISO 5211-DIN 3337

Pinion Made In Steel:

  • Nickel-plated for standard version against internal and external corrosion
  • Stainless steel for corrosive environments
  • Anti-blow out design

Body Manufactured From Extruded Aluminum UNI 6060:

  • Hard-coat anodized as standard finish 45-50 (micron)
  • Good wear resistance
  • High corrosion resistance
  • Special finishes nickel-plating or epoxy coated
  • Bore finished to high standard to ensure low friction and long life

Piston Guides In POM:

  • Large contact area
  • Low friction for self lubricating material
  • Long life


  • NBR standard version
  • Viton high temperature version
  • SILICON low temperature version

Pistons Made From Die Cast Aluminum:

  • Chemical nickel plating upon request

Twin Rack And Pinion Designs:

  • Constant torque output
  • Compact design
  • Balanced internal forces
  • Robust design to ensure long life
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