Vanman SL46H High-Strength Wind Louver
Technical Specifications
• Material: Extruded aluminum 6063-T5 / 6063-T6
• Blade Type: Double Bank, Drainable
• Finish: Anodized / Powder Coated/PVDF
• Frame Thickness: 2.0-3.0 mm
• Angle: 45°
• Louver Depth: 95 mm
• Blade Thickness: 1.5 mm
• Blade Orientation: Horizontal
Product Overview
Vanman’s SL46H is a wind louver engineered with high-strength one-piece molded blades. Featuring an inverted U-shape profile with drainage holes and three-point fixation, SL46H prevents blade shaking under high wind pressure and rapidly channels rainwater away. It has passed the AMCA 500 wind-driven rain test.
Air Performance Data
Test Results At Standar Air on AMCA500-L | |||
Intake Ce | Air Volume m3/s（cfm） | Pressure Pa (in.wg ) | Ce Class |
0.19 | 1.5（3065） | 18（0.072） | 4 |
Exhaust Cd | Air Volume m3/s（cfm） | Pressure Pa (in.wg ) | Cd Class |
0.196 | 1.5（3045） | 26（0.067） | 4 |
AMCA 500-L Wind-driven Rain Date
13m/s (29 mph) wind & 76 ( 3” ) per hour rain conditions | ||||||||
Core Velocity m/s | 0.0(0) | 0.5(98) | 1.0(197) | 1.5(294) | 2.0(393) | 2.5(492) | 3.0(590) | 3.5(688) |
Effectiveness % | 99.9 | 99.9 | 99.9 | 98.1 | 78.6 | 34.8 | 22.5 | 9.9 |
Class | A | A | A | B | D | D | D | D |
22m/s (50 mph) wind & 202.4 (8”) per hour rain conditions | ||||||||
Core Velocity m/s | 0.0(0) | 0.5(96) | 1.0(197) | 1.5(289) | 2.0(396) | 2.5(482) | 3.0(587) | 3.5(691) |
Effectiveness % | 99.5 | 99.3 | 98.9 | 96.7 | 85.4 | 61 | 33.1 | 25 |
Class | A | A | B | B | C | D | D | D |
Key Features
• One-Piece Blade Design
• Inverted U-Shape Profile
• Drainage Holes per Blade
• AMCA 500 Certified
Applications
• Typhoon-prone building façades
• Critical equipment ventilation enclosures
• Power station or telecom shelter intakes
• Coastal building air barrier systems
Technical Resources
FAQ
Q: What test has SL46H passed?
A: SL46H is AMCA 500 tested for wind-driven rain protection.
Q: What shape are the SL46H blades?
A: Each blade features an inverted U-profile with drainage channels.
Q: How are the blades fixed?
A: Three screw holes per blade ensure no vibration under high wind pressure.
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