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Products :: LCN Power Operators

4810 | 4820 | 4840 | 2610 | Controller | Compressor

4800 Series Auto Equalizers (Pneumatically Powered Operators)

  • Ideal for multi-door applications since costs per door leaf decrease significantly as the number of leaves increases
  • Standard, plate mounted 4810 series closer shipped with single lever (standard) arm, metal cover, standard track, and wood and machine screw pack
  • Complete unit tested to over 3 Million cycles, 10 times the U.S. industry standard
  • Utilizes a 10 million cycle heavy duty 4040 door closer cylinder
  • Provides quiet, efficient and reliable operation
  • Pneumatic operator allows use in hazardous environments where electrically operated devices would not be permitted
  • Used in 'blow open' systems to control smoke evacuation
  • Auto Equalizers require controllers and compressors to complete the system
  • Non-sized cylinders for interior doors to 1220mm and exterior doors to 914mm
  • Non-handed (4810, 4820, 4840)
  • View key features of the autoequalizers
  • Literature download Autoequalizers
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    Full Product Detail »
    4810 Series - 4811 Auto Equalizer
    Product Code: 4811

  • The 4811 is LCN's heavy duty low energy pneumatic power operator
  • The 4811 is adjustable between sizes 1 and 4
  • This is a track arm closer and fits interior and exterior doors, pull side only (closer body on the transom or head frame)
  • It is non-handed and fits left hand and right hand doors

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  • Full Product Detail »
    4820 Series - 4822 Auto Equalizer
    Product Code: 4822

  • LCN's best performing heavy duty low energy pneumatic power operator
  • The 4822 is adjustable between sizes 2 and 5
  • This is a double lever arm closer and fits interior and exterior doors, push side only (closer body on the transom or head frame)
  • It is non-handed and fits left hand and right hand doors

  • Download catalogue pages
  • Download templates

  • Full Product Detail »
    4840 Series - 4841 Auto Equalizer
    Product Code: 4841

  • LCN's best performing heavy duty low energy pneumatic power operator
  • The 4841 is adjustable between sizes 1 and 5
  • This is a double lever arm closer and fits interior and exterior doors, push side only (closer body on the door)
  • It is non-handed and fits left hand and right hand doors

  • Download catalogue pages
  • Download templates

  • Full Product Detail »
    2610 Series - 2613 and 2614 Auto Equalizer
    Product Code: 2610

  • LCN's heavy duty concealed low energy pneumatic power operator
  • Size specific at sizes 3 and 4 only
  • Provides complete concealment when the door is closed
  • Handed LH (clockwise closing) & RH (anti-clockwise closing)

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  • Download templates

  • Full Product Detail »
    Rel.ACC Series - Rel.ACC1, Rel.ACC2 and Rel.ACC3
    Product Code: ACC

  • Rel.ACC controllers incorporate 12V DC 2.0 Amp power supplies and are designed to control the flow of air from the compressor's tank to the Auto Equalizer
  • ACC controllers contain valves, each valve controlling one door set in single or double door mode
  • The numbered suffix denotes the number of valves contained in each controller and consequently the maximum number of doors (or pairs of doors) which that controller can accommodate


  • Full Product Detail »
    Rel.Compressor - Clean and quiet air
    Product Code: COMPRESSOR

  • All Auto Equalizer systems require a source of compressed air
  • Relcross recommends only oil lubricated compressors be used with the Auto Equalizer range
  • Our automatic compressors are quiet and virtually vibration free. In a large number of installations this allows the compressor to be located adjacent to locale where the air is required
  • All compressors are supplied complete with a thermal cut-out device, adjustable pressure switch, safety valve and auto drain on the receiver
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