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Threshold seal in door
DD-1703-ACU-elevation

DD-1703ACU Threshold Seal

Mann McGowan DD-1703ACU, is a robust twin adjustable threshold seal which allows the drop mechanism to be adjustable at both ends for both downward movement and tilt control to provide strong even pressure over the entire length, so providing an enhanced seal which can be fine tuned to suit the environment it is designed to operate within.

DD-1703ACU will provide acoustic, cold smoke and environmental sealing when used in conjunction with suitable doors and has achieved a 60 minute fire rating when tested to BS 476 pt. 22 1987.

  • High quality aluminium threshold seal
  • Seals gaps up to 18mm
  • Simple to fit with slide and click mechanism
  • Excellent noise-reducing performance up to 50dB
  • Easy to adjust using slot head screwdriver
  • 60 minute fire rating
  • Successfully tested for cold smoke sealing
  • Available in lengths of 630, 930, 1030 and 1130mm
  • Optional end plates and cover plates available
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Technical

Technical Information

  • DD-1703ACU can be trimmed by up to 100mm in a simple one cut action.
  • Seals threshold gaps up to 18mm

Full fixing instructions supplied with the product.
Please contact our Technical Team if you require additional advice.

Performance

DD-1703ACU has been assessed to BS 476 Part 22 for use on both FD30 & FD60 Door sets and has been successfully tested to BS EN 1634 for cold smoke sealing.

Cycling test: 200,000 opening and closing cycles.

Acoustic performance test

Acoustic tests have been conducted in accordance with the standards listed below:

BS-EN 10140-1
BS-EN 10140-2

50dB can be achieved (dependent on door type used).

 

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