SLR-HP Rectangular Silencers

ASLI Rectangular Silencers (SLR-HP) is designed to cater for the noise generated by HVAC equipment. The baffle width is tuned to
target at difficult low frequency noise. The shape of baffle is optimized in order to achieve the best insertion loss of noise with minimum pressure drop. The tail of baffle is specially designed to regain static loss and reduce turbulent air flow pattern, as well as regenerative noise.

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Outer casing : 1.0mm – 1.2mm thickness galvanized steel
Baffle : 0.5mm – 0.7mm thickness perforated galvanized steel
Infill : Acoustic composite

Surface Finish

Mill galvanized.

Connection Joint

TDC joint as standard.
Angle bar joint as optional.

Nominal Length unit:mm

*600 / 900 / **1200 / 1500 / 1800 / 2100 / 2400 / 2700 / 3000
* Actual length for 600 is 515mm.
** Actual length for 1200 is 1135mm.


•0 Specially tuned according to noise generated by HVAC equipment.
•0 Special baffle design to minimize pressure drop.
•0 TDC joint to ensure installation friendly.
•0 Lined with polyester film for clean room application. (Optional)


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