Rounded Corners film-lined

Film-Lined Silencers

Indoor air or environmental quality concerns often mandate the use of barrier materials such as polymer films to ensure no fibrous media particles are drawn into the airstream or that nothing in the airstream is embedded in the media. Vibro-Acoustics’ film-lined silencers include film-lining between the acoustical media and the perforated metal which forms the baffles and chambers. Film-lining options include Mylar and VibarTM, a polymer film that is resistant to heat, solvents and acids. Vibro-Acoustics’ film-lined silencers with VibarTM are a class 1 category assembly with a Flame-Spread index of 0 and a Smoke Development of 15 when tested in accordance to ASTM E84. These ratings meet and exceed the NFPA 90A maximum requirements.

Typical applications include education, health care, laboratories and other institutional facilities.

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Project Solution: Motorola Semiconductor Facility

Film-Lined Rectangular

Designated as “RFL” for Rectangular Film-Lined, this product line is designed to match straight rectangular ductwork connections and casing geometry.


Film-Lined Circular

Circular Film-Lined silencers are labeled “CFL” and are typically used with circular duct systems or inline axial fans.


Film-Lined Elbow

When project space limitations cannot accommodate straight silencers, Rectangular Elbow Film-Lined (“REFL”) silencers can be used to both reduce noise and control pressure losses.

REFL Silencer Sheet
Centerline Definition

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Film-Lined Transitional

To save space and reduce project cost, any silencer can be designed to have different connections and casing geometry to match project requirements.

TFL Silencer Sheet

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Film-Lined Any shape & size

Vibro-Acoustics can provide duct silencers to match project requirements for space and configuration limitations—virtually any size or shape is possible.

EX-RFL/EX-EFL Silencer Sheet
RLP-FL/CLP-FL Silencer Sheet
RSB/RDS Silencer Sheet

For more information on this product, please contact us.