Guangzhou Xingjin Fire Equipment Co.,Ltd.
| Function | Smoke Exhaust/ventilation |
| Supply Ability | 30000set/month |
| Product Name | ventilation Louvers Vent Cover Air Grille |
| Shape | Customized |
| Payment Terms | T/T,L/C |
| Material | ABS plastic, aluminum alloy, custom wood |
| Installation | Wall/Ceilling Mounted |
| Delivery Time | 15-20days |
| Model | DG-A |
| Packaging Details | Plywood outer box with bubble bag or paper |
| Model Number | FHF-W/FHF-W-K/FHF-WS-FK/FHF-WSDC -K |
| Place of Origin | Guangzhou,China |
| Certification | GSG\TUV |
| Brand Name | XINGJIN |
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Product Specification
| Function | Smoke Exhaust/ventilation | Supply Ability | 30000set/month |
| Product Name | ventilation Louvers Vent Cover Air Grille | Shape | Customized |
| Payment Terms | T/T,L/C | Material | ABS plastic, aluminum alloy, custom wood |
| Installation | Wall/Ceilling Mounted | Delivery Time | 15-20days |
| Model | DG-A | Packaging Details | Plywood outer box with bubble bag or paper |
| Model Number | FHF-W/FHF-W-K/FHF-WS-FK/FHF-WSDC -K | Place of Origin | Guangzhou,China |
| Certification | GSG\TUV | Brand Name | XINGJIN |
| High Light | hinged return air grille ，HVAC return air louver ，fire damper return grille | ||
Product Introduction
The Hinged Return Air Grille is an easy-maintenance return air louver specifically designed for commercial building HVAC systems. Manufactured from high-strength extruded aluminum profiles with blades fixed at a 45° tilt, it offers excellent corrosion resistance and structural rigidity. Unlike traditional return air grilles, its hinged opening mechanism allows tool-free access, making it easy to regularly clean the filter screen and ensure unobstructed return airflow and indoor air quality.
Applicable Locations
The Hinged Return Air Grille is widely used in commercial building HVAC return air and exhaust systems. Typical applications include:
| Facility Type | Specific Application |
|---|---|
| Hotels | Guest corridor return air grilles, banquet hall HVAC return air |
| Office Buildings | Standard floor central AC return air grilles, meeting rooms |
| Hospitals | Wards, clinics, clean area return air systems |
| Schools | Classrooms, libraries, auditorium return air |
| Shopping Malls | Public areas, retail store return air systems |
| Sports Venues | Spectator areas, athlete lounges return air |
| Restaurants | Private dining rooms, lobby return air |
| Apartments/Villas | Residential central AC return air systems |
| Others | Warehouses, workshops, gyms, laundry rooms, etc. |
Product Advantages
1. Hinged Opening Mechanism – Easy Maintenance
Tool-free operation – open the grille panel by hand
Allows regular filter screen cleaning to prevent dust buildup
Firm and airtight closure when closed – no looseness or rattling
Inverted V-shaped herringbone blade design for aesthetic appearance
2. High-Strength Aluminum – Corrosion Resistant & Durable
Frame and blades made from high-quality extruded aluminum profiles
Surface treated with anodizing or electrostatic coating
Suitable for humid, dusty, and demanding environments
3. 45° Fixed Tilt Blades – Uniform Air Distribution
Optimized blade angle for even supply/return airflow
Large blade (33mm) and small blade (26mm) options available
Available in fixed or hinged configurations
4. Multiple Specifications – Flexible Customization
Face size, shape, and blade spacing all customizable
Thickness options: 0.6 / 0.7 / 0.9 / 1.0 mm (customizable)
Material options: Aluminum / ABS Plastic Steel
5. Easy Installation – No Screws Required
Clip-in installation directly into the cutout opening
No complex tools needed – saves installation time
Technical Specifications
| Parameter | Specification |
|---|---|
| Product Name | Hinged Return Air Grille |
| Model | DG-A |
| Function | HVAC terminal return air / exhaust |
| Material | Aluminum / ABS Plastic Steel |
| Blade Size | 15 / 20 / 30 mm |
| Blade Angle | 45° fixed tilt |
| Thickness | 0.6 / 0.7 / 0.9 / 1.0 mm (customizable) |
| Shape | Rectangular (square/circular customizable) |
| Certification | ISO9001 |
| Brand | GUWEN |
Installation & Maintenance Instructions
| Item | Description |
|---|---|
| Installation | Clip-in installation directly into cutout opening – no screws required |
| Maintenance | Pull open the panel by hand, remove and clean the filter screen |
| Maintenance Interval | Recommended every 3-6 months |
| Compatible Duct | Square / Rectangular duct systems |
Company Details
Business Type:
Manufacturer,Exporter
Year Established:
2010
Total Annual:
600000-1200000
Employee Number:
100~300
Ecer Certification：
Verified Supplier
About Us: Guangzhou Xingjin Fire Equipment Co., Ltd. is a professional enterprise dedicated to the research, development and production of HFC-227ea (FM200), Novec1230, CO2 and inert gas products. For many years, the company has been committed to improving product quality, enriching pro... About Us: Guangzhou Xingjin Fire Equipment Co., Ltd. is a professional enterprise dedicated to the research, development and production of HFC-227ea (FM200), Novec1230, CO2 and inert gas products. For many years, the company has been committed to improving product quality, enriching pro...
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