Sonic Series Acoustic Louvres SL4-20C Datasheet

The SL4-20C acoustic louvre is designed to reduce airborne sound while allowing effective airflow.

With a high Sound Transmission Loss (STL) rating and aerodynamic performance verified through CFD testing, the SL4-20C is ideal for noise control in mechanical plants, HVAC systems, and industrial enclosures.

Features:

• Up to 29 dB sound reduction
• Free Open Area: 22%
• Discharge Coefficient (Cd): 0.87
• Rain Penetration Rating: Class D (AS4740)
• Chevron Blade Design: Enhanced acoustic performance across frequency bands
• Engineered for airflow and acoustic performance
• Durable construction for industrial applications

For more information on the Sonic Series acoustic louvres-SL4-20C, download the datasheet.