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Acoustic Fire Door

The door frame and door leaf of the fireproof sound insulation door are made of cold-rolled steel, with the surface layer being thin steel plate (or stainless steel), and filled with fireproof porous sound-absorbing materials to achieve high damping characteristics with low acoustic coupling. Double special elastic rabbets (gaskets or non-combustible gaskets) are installed around the door frame, completely eliminating sound leakage caused by "holes" and "gaps". All materials used are fireproof. High-grade decorative materials such as wood-like finishes and leather can be applied to the surface of the fireproof sound insulation door without affecting its sound insulation performance.
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  • The wall of the sound insulation door is entirely made of one point five mm-thick national standard cold-rolled steel plates.

  • The steel plates on the outer surface of the sound insulation door wall are treated with degreasing, phosphating and plastic spraying (color to be selected by the customer).

  • 8cm wave peak sound-absorbing cotton is installed inside the sound insulation door wall.

  • Sound insulation boards are used in the interlayer of the sound insulation door wall.

  • The wall interlayer is filled with fireproof and eco-friendly sound-absorbing cotton of various densities, medium-density fiberboards (MDF) and damping plates.

  • The sound insulation box is equipped with a pneumatic opening device, and a signal transfer hole with a diameter of fifty mm is reserved at the back of the box.

Features

  • Adopting a multi-layer composite and special sound insulation structure, it can withstand high temperatures and aerodynamic loads. Available in single-leaf, double-leaf and sliding door types, it can be equipped with observation windows, featuring reliable sealing and flexible opening.

  • Special sound insulation doors are mainly used in various laboratories and exhaust ducts.

  • Complete sets of products (including door frames and door leaves) can be provided, along with technical guidance for installation and commissioning.

  • Embedded parts shall be arranged during civil construction. Customized design and manufacturing are also available according to customer requirements.


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