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Architectural Hardware Products: Heavy Duty Door Closers

LCN Heavy Duty Door Closers

For years, hardware professionals have used terms such as "life cycle costing, "life of the product" and "product value." They are, of course, talking about products built to perform for many years with little or no service. Independent tests have shown that heavy duty LCN closers go well beyond 10 million cycles, a closer record! But how well will LCN perform after decades of opening and closing cycles on school, hospital, church, corporate building and stadium doors? LCN closers are still going strong after 20, 30, even 40 years of service

LCN 4000 Series Heavy Duty Door Closers

  • Exceeded 10 million cycles in independent testing
  • FAST™ power adjust allows accurate on-site spring power adjustment to meet the condition of the opening
  • CE marked for fire rated doors (without hold open)
  • Sized cylinders for interior doors to 1524mm and exterior doors to 1220mm
  • Non-sized cylinder adjustable for interior doors to 1372mm and exterior doors to 1067mm
  • Closers mount hinge side, top jamb, parallel arm stop face 

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LCN 4000 series

LCN 1000 Series Universal Door Closers

  • Standard 1460 series closer shipped with regular arm, a slim line plastic cover, and self reaming and tapping screws
  • Multiple cover options include; Standard (slim line), Smooth (slim line) EC, Full & Designer series
  • CE marked for fire rated doors (without hold open)
  • The 1460 non-sized (1-6) cylinder is adjustable for interior doors to 1524mm & exterior doors to 1220mm and is non-handed
  • Closers mount hinge side, top jamb and parallel arm stop face on either left hand or right hand doors
  • Peel and stick template for easy installation
  • All weather fluid eliminates seasonal adjustments
  • Standard 1070 series closer shipped with regular arm and wood and machine screw pack
  • Snap-on plastic covers available to order
  • CE marked for fire rated doors (without hold open)
  • Sized 1074 or 1075 cylinders for interior doors to 1372mm and exterior doors to 1067mm
  • The 1071 non-sized (1-3) cylinder is adjustable for interior doors to 965mm & exterior doors to 762mm and is non-handed
  • Closers mount hinge side, top jamb and parallel arm stop face on either left hand or right hand doors
  • All weather fluid eliminates seasonal adjustments

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LCN 4000 series

2000 Series Concealed Door Closers

  • CE marked for fire rated doors (without hold open)
  • Sized cylinders for interior doors to 1524mm and exterior doors to 1220mm
  • Handed for left hand and right hand doors
  • For hollow metal or timber doors and frames
  • Aluminum frame requires minimum 102mm x 102mm tube (2010 series)
  • Aluminum frame requires minimum 44mm x 114mm tube (2030 series)
  • All weather fluid eliminates seasonal adjustments

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LCN 4000 series

3000 Series Concealed Door Closers

  • CE marked for fire rated doors (without hold open)
  • Sized cylinders for interior doors to 1220mm
  • Handed for left hand and right hand doors
  • For timber doors (minimum 44mm thick) and hollow metal or timber frames
  • Consult Relcross for installations with pivots
  • All weather fluid eliminates seasonal adjustments

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6000 Series Concealed Double Action Door Closers

  • Sized cylinders for interior doors to 1372mm and exterior doors to 1067mm
  • Non-handed with two independent cylinders
  • For hollow metal or timber doors and frames
  • Aluminium frame requires minimum 44mm x 102mm tube
  • All weather fluid eliminates seasonal adjustments

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LCN Sentronics / Fire & Life Safety Series Door Closers

Sentronic (SE) Single Point Hold Open Door Closers

  • Standard 1460SE & 4040SE series closers are shipped with a standard track arm
  • SE track (operating at 24V), standard cover, and wood and machine screw pack
  • Non-sized cylinders for interior doors only to 1220mm
  • Hold-open force is adjustable via a set-screw in the track
  • Momentary on/off switch board assembly for testing door release also provides
  • over-voltage protection and is field replaceable if necessary
  • Functions as a full rack and pinion closer when the hold-open feature is not engaged or when the current is interrupted
  • Closer mounts on either push or pull side of the door and is non-handed
  • SE closers interface with fire alarm systems via a relay in the transformer.
  • Consult Relcross for full details
  • All weather fluid eliminates seasonal adjustments

Sentronic (ME) Multi Point Hold Open Door Closers 

  • Standard 4310ME series closers are shipped with a 24V cylinder on a mounting plate, metal cover, swing-free arm track, track roller, and wood and machine screws
  • Sized cylinders for interior doors only to 1220mm
  • Functions as a full rack and pinion door closer when the hold-open feature is not engaged or when the current is interrupted with the swing-free arm engaged
  • Handed for left hand and right hand doors
  • ME Series available in hinge side mount, stop face mount or concealed in the frame
  • Concealed or exposed electrical connections
  • Built-in "On/Off " switch controls the hold-open function
  • A swing-free arm allows the door to be moved without any closer resistance (4310 ME only)
  • ME closers interface with fire alarm systems via a relay in the transformer.
  • Consult Relcross for full details
  • All weather fluid eliminates seasonal adjustments

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LCN Sentronics Fire & Life Safety Series Door Closers

LCN High Security Door Closer Series

Surface Mounted Security Door Closers

  • CE marked for fire rated doors (without hold open)
  • Standard 4210 & 4510 series closers are shipped with EXTRA DUTY (EDA) arms metal security covers, and TORX head machine screw pack
  • Sized cylinders for interior doors to 1524mm and exterior doors to 1220mm
  • Non-sized cylinders are adjustable for interior doors to 1372mm and exterior doors to 1067mm
  • Closers mount hinge side and stop face parallel mount
  • Handed for left hand and right hand doors
  • All weather fluid eliminates seasonal adjustments

Concealed Security Door Closers 

  • CE marked for fire rated doors (without hold open)
  • Standard 2210 series closers are shipped with standard arm, security track (non hold-open), two piece metal cover plate, and TORX head machine screw pack
  • Sized cylinders for interior doors to 1372mm and exterior doors to 1067mm
  • The fully concealed cylinder mounts in the head frame
  • Handed for left hand and right hand doors
  • All weather fluid eliminates seasonal adjustments

More information

LCN Sentronics Fire & Life Safety Series Door Closers
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