Aluminum Gravity / Self-Closing Louvers
Description
Aluminum Gravity / Self-Closing Louvers
Product Overview
The HVAC-SH Aluminum Gravity Louvers are designed for ventilation systems that require natural airflow control without motors or actuators.
Featuring self-closing blades, these louvers automatically close when airflow stops, preventing backdraft, debris, or pests from entering ducts.
Made from high-quality aluminum, these louvers are lightweight, corrosion-resistant, and durable, suitable for residential, commercial, and industrial ventilation systems.
Key Features
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Self-Closing Gravity Blades
Automatically close when airflow stops, preventing backdraft and ensuring indoor air quality. -
High-Quality Aluminum Construction
Lightweight, strong, and corrosion-resistant, ideal for long-term performance in indoor or outdoor environments. -
Wall or Ceiling Installation
Suitable for outdoor or indoor duct openings, rooftop or wall-mounted applications. -
Customizable Sizes and Colors
Available in standard or custom dimensions, powder-coated finishes, and RAL colors to match project aesthetics. -
Low Maintenance & Easy Installation
Simple structure allows quick installation and easy cleaning.
Material & Finish
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Material: Aluminum
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Surface Finish: Powder Coated or Anodized
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Standard Color: White (RAL 9010/9016)
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Custom Colors: Available upon request
Typical Applications
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Residential exhaust or fresh air intakes
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Commercial HVAC systems (offices, hotels, retail spaces)
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Industrial ventilation systems
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Roof or wall-mounted duct openings
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Air handling units (AHU) outdoor connections
Technical Specifications
| Item | Specification |
|---|---|
| Brand | HVAC-SH |
| Product Type | Aluminum Gravity / Self-Closing Louvers |
| Material | Aluminum |
| Blade Type | Self-Closing / Gravity Operated |
| Surface Finish | Powder Coated / Anodized |
| Color Options | White or Custom RAL colors |
| Installation | Wall or Ceiling Mounted |
| Size | Custom sizes available |
| Function | Prevent backdraft & debris ingress |
Product Advantages
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Automatic closure prevents backdraft and improves indoor air quality
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Lightweight and corrosion-resistant aluminum construction
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Durable design suitable for outdoor exposure
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Custom sizes and colors for any project requirement
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Low-maintenance, long-life solution for residential, commercial, and industrial ventilation
Compatible Equipment
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HVAC supply and exhaust systems
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Roof-mounted or wall-mounted duct openings
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Air handling units (AHU)
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Fresh air or exhaust intakes
Custom Orders & Inquiry Support
We provide OEM/ODM services, project-based manufacturing, and bulk supply.
For pricing, lead time, technical datasheets, or samples, please contact our sales team with your required size, quantity, color, and application.
→ Request a Quote
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