Part # BV-14C, High Efficiency - Economical Noise Enclosure On Firwin Corp.

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All Categories > Stocked Insulation and Safety Products > Sound Attenuation > High Efficiency - Economical Noise Enclosures > Part # BV-14C


	Part # BV-14C, High Efficiency - Economical Noise Enclosure

ENCLOSURES LINED WITH HIGH QUALITY COMPOSITES TO CONTAIN NOISE AT THE SOURCE.

Perforated vinyl cover enhances acoustic properties resulting in superior absorption. Suitable for moderately dirty environments where it is not exposed to contaminants such as direct oil or water spray.

Specifications · Performance Data · Material Specifications · Installation Recommendations

Specifications

Noise Levels		The use of AcoustiGuard™ composites in enclosures can reduce noise levels anywhere from 20 to 40 dBA. Careful preparation of all openings, seals and joints will eliminate noise leakage paths and maintain maximum performance.

Protective Cover		Perforated Vinyl Cover faces in towards the noise source and protects the absorption layer from contamination.

Acoustic Foam		Absorbs noise and prevents it from reflecting out of the enclosure.

Barrier Layer		Provides transmission loss, keeping the sound within the enclosure.

Foam Decoupler		Enhances the performance of the barrier - glued directly to the inside of the enclosure.

Performance Data

In addition to environmental conditions, individual application requirements will determine choice of composite. These transmission loss and absorption performance charts can be used to make the appropriate selection.

STC Transmission Loss Capabilities for Decoupled Barrier Composites (BTMM-14C & BV-14C)
NRC Absorption Characteristics for 1.0 in. Acoustic foam layer with Individual Coverings.

Material Specifications

Thickness		Approx. 1.25 in. - Overall Composite Thickness.

Standard Dimensions		Sheets - 54" X 72" (27 sq. ft.)

Composite Weight		1.9 lb./sq.ft.

Flammability		MVSS 302-Passes

Foam Density		ASTM D 3574-86 — 1.8 - 2.2 lb./ cu.ft.

Thermal Conductivity of Foam at 75°F (24°C)		ASTM C 518 — 0.27 Btu. in. / hr. ft.² ºF

Installation Recommendations

Composite material is glued directly to the entire interior surface of the enclosure. Sheet metal should be degreased and plywood must be primed for best adhesion. To maintain an unbroken barrier layer, care must be taken when fitting material into corners at the horizontal and vertical edges of the enclosure structure.

1. Cut away section of absorption layer on all edges where composite pieces meet at right angles.

2. Cut and fit adjacent pieces accurately to ensure there are no gaps in the barrier.

Part # BV-14C, High Efficiency - Economical Noise Enclosure

Noise Levels

Protective Cover

Acoustic Foam

Barrier Layer

Foam Decoupler

Thickness

Standard Dimensions

Composite Weight

Flammability

Foam Density

Thermal Conductivity of Foam at 75°F (24°C)