Key features - 3000 series

 

 

LCN's Concealed-in-Door Closer interior mounted on 44mm thick doors

Applications

  • For aluminium, hollow metal and timber (butt hung or pivoted) single action doors.
  • Mounting clips for timber frames and other installation accessories are available for unusual conditions. Check with Relcross before finalizing your specification.

Features common to the 3000 series:

  • Mountings for door top raill only.
  • Designed to mount in timber doors with a minimum 44mm thickness.
  • All closers are handed and fit left hand or right hand doors (please specify at order placement).
  • Adjustable hydraulic backcheck cushions the opening arc prior to 90 degrees.
  • Separate regulation of closing and latching speeds.

Warranty

  • 10 year limited warranty. See terms and conditions and standard Warranty Document for more information

Materials

  • High strength cast iron cylinder
  • Forged steel main arms
  • One piece forged steel pistons
  • Heat treated pinion
  • All weather fluid eliminates seasonal adjustment. Temperature range 49 deg. C to minus 35 degrees C
  • High efficiency, full compliment, low friction bearings
  • Tamper resistant regulating screws
  • Full rack and pinion hydraulic action
  • Quiet, low friction track and roller combination for all single lever arm closers

Finishes

  • Available from stock in US28 silver powder coated finish
  • Available in wide range of powder coated finishes to match any RAL colour (to special order)
  • LCN's powder coated finish surpasses 100 hours of salt spray - four times the ANSI (US) standard.
  • See also BS EN certification for more information on salt spray testing

Maintenance

  • Closers mounted in accordance with LCN installation instructions require no periodic maintenance or adjustment