Vanman AL300 High-Performance Acoustic Louver
Technical Specifications
• Material: Extruded aluminum 6063-T5 / 6063-T6
• Finish: Anodized / Powder Coated/PVDF
• Certification: ASTM E90/ ASTM E413 / BSRIA 13030
• Frame Thickness: 2.0-3.0 mm
• Angle: 40°
• Louver Depth: 300 mm
• Blade Thickness: 2.1 mm
• Blade Orientation: Vertical
• Free Area: 31%
Product Overview
Vanman’s AL300 offers high-performance sound attenuation for environments with elevated acoustic requirements. Tested under ASTM E90 (STC pending), its deep-profile design provides increased transmission loss and weather durability.
Acoustic performance test standard ASTM E90，Sound Transmission Class (STC) Ratings per ASTM E413
Frequency（Hz） | 125 | 250 | 500 | 800 | 1000 | 2000 | 4000 | 6300 | 8000 | STC | %Free Area | Weights kg/m2 |
Tranmission Loss（dB） | 5 | 4 | 10 | 15 | 16 | 20 | 17 | 16 | 16 | 15 | 31 | 45.95 |
Noise Reduction （dB） | 11 | 10 | 16 | 21 | 22 | 26 | 23 | 22 | 22 |
Test Results At Standar Air On BS EN 13030:2001 | |||
Intake Ce | Airflow Rate m3/s | Pressure Pa | Ce Class |
0.285 | 2.41 | 43 | 3 |
Exhaust Cd | Airflow Rate m3/s | Pressure Pa | Cd Class |
0.295 | 2.43 | 41 | 3 |
Key Features
• High Acoustic Performance
Designed for superior STC and noise isolation capabilities.
• Deep Blade Geometry
Enhanced sound path complexity and airflow management.
• Tested per ASTM E90
Supports acoustic data validation and design compliance.
Applications
• Air handling units in hospitals and labs
• Industrial generator enclosures
• Highway barriers with acoustic elements
Technical Resources
FAQ
Q: How is AL300 different from AL200?
A: It has deeper blades and better sound reduction for high-demand applications.
Q: Is STC available?
A: Testing is done per ASTM E90; STC value is pending or customized by project.
Q: Is this weatherproof?
A: Yes, it is made with corrosion-resistant coating and outdoor-tested structure.
Related Products
Explore other acoustic louver models such as AL100 acoustic louver and AL200 acoustic louver. You can also compare airflow performance and storm resistance across the Vanman Hurricane Shutter series.
