GU L-0002-04 Overhead Door Closer Size 2 – 5 No Cover, With Backcheck and Delayed Action

The GU L-0002-04 overhead door closer is for use on fire rated single and double leaf doors and features a delayed action function. With an adjustable size of 2 – 5, this door closer is tested to 500,000 closing cycles. For additional versatility it features adjustable backcheck and adjustable strength size, and it is suitable for use with both right and left hung doors.


  • For use on fire rated single and double leaf doors - standard door mount pull side application
  • Valve adjustable backcheck & delayed closing action
  • Suitable for use on fire and smoke doors
  • FD120 fire approval for timber doorsets; FD240 approval for metal doorsets in standard (Fig.1) and parallel arm (Fig. 6) configurations
  • Durability tested to 500,000 cycles
  • Sold with cover
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