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AT 48 automatic door seal
AT 48 automatic door seal - 1
AT 48 automatic door seal - 2
AT 48 automatic door seal - 3
AT 48 automatic door seal - 4

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AT 48 automatic door seal

Sound insulation value 48 dB at 7 mm floor clearance

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Available in 5 versions

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Variants

  • Impervious to sound, draughts and smoke

  • Automatic compensation on uneven floors: Door to floor spacing: 5 mm to 20 mm

  • The door seal can be shortened by 100 mm on the opposite side of the actuating pin

  • Simple installation by pinning from below so there is no need to chisel out space for any retaining elements

  • Keep groove position as far as possible from pivot

  • Low groove depth (30 mm)

  • For wooden frame pressure plate, hammer the centre of the pressure point in the frame or support

  • For lift adjustment, turn the actuation pin using hexagon socket SW 3


Sound insulation values:


  • 7 mm air gap: 48 dB

  • 20 mm ground clearance: 42 dB
Notice

The door seal must not jam in the groove. We recommend a groove size of 30.5 mm x 13.1 mm.

Specified dimensions not binding. Subject to technical changes.