Adams Rite ARC-51N concealed transom door closure for commercial aluminium doors.

Designed to provide a controlled closing of single or double action commercial aluminium doors. Features include dual closing speeds to allow flexibility in its closing action.

To ensure you are selecting the correct spring strength see below:

Light Spring:

Maximum Door Sash Width - 850mm

Maximum Sash Height - 2500mm

Maximum Sash Weight - 40kg

Medium Spring:

Maximum Door Sash Width - 950mm

Maximum Sash Height - 2500mm

Maximum Sash Weight - 60kg

Heavy Spring:

Maximum Door Sash Width - 1100mm

Maximum Sash Height - 2500mm

Maximum Sash Weight - 80kg

You are purchasing the complete kit which consists of:

  • 1 x ARC-51N Transom closure
  • 1 x Top arm & fixing channel (Please select either side-load or end-load)
  • 1 x Bottom Pivot & Pivot saddle
  • Required Fixing brackets & fixings
  • Comprehensive Fitting Instructions

Important Specifications:

  • Dimensions                 - 292mm x 90mm
  • Concealed thickness  - 37.5mm
  • Closing speed            - Initial closing & latching speeds are factory pre-set and fully adjustable on site.

Please note on single action centre-pivot doors it is recommended that a local door stop is fitted at the head to prevent the door swinging through when using electric strikes and latches.