Guangzhou Xingjin Fire Equipment Co.,Ltd.
| Payment Terms | T/T,L/C |
| Material | ABS plastic, aluminum alloy, custom wood |
| Function | Smoke Exhaust/ventilation |
| Installation | Wall/Ceilling Mounted |
| Supply Ability | 30000set/month |
| Model | AIC |
| Shape | Customized |
| Delivery Time | 15-20days |
| Product Name | ventilation Louvers Vent Cover Air Grille |
| 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
| Payment Terms | T/T,L/C | Material | ABS plastic, aluminum alloy, custom wood |
| Function | Smoke Exhaust/ventilation | Installation | Wall/Ceilling Mounted |
| Supply Ability | 30000set/month | Model | AIC |
| Shape | Customized | Delivery Time | 15-20days |
| Product Name | ventilation Louvers Vent Cover Air Grille | 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 | Gear Drive Synchronization Gear Type Herringbone Damper ，Opposed Blade Design Air Volume Control Damper ，Aluminum Construction HVAC Damper | ||
The Gear Type Herringbone Damper is an air volume regulating device specifically designed for HVAC systems, installed at the rear of air grilles or diffusers for precise airflow control. Featuring gear-driven synchronous operation with multiple blades opening and closing simultaneously, it ensures uniform airflow velocity and constant flow rate through the damper. Widely used in office buildings, shopping malls, hotels, hospitals, and other commercial spaces.
The Gear Type Herringbone Damper is widely used in commercial building HVAC air volume control applications. Typical applications include:
| Facility Type | Specific Application | Recommended Configuration |
|---|---|---|
| Office Buildings | Standard floor grille airflow control | Aluminum + Gear drive |
| Shopping Malls | Public area diffuser volume control | Multi-blade + Opposed regulation |
| Hotels | Guest rooms, ballroom airflow control | Precision regulation type |
| Hospitals/Clinics | Cleanroom constant volume control | High precision configuration |
| Schools/Libraries | Classroom, reading room volume control | Cost-effective configuration |
1. Gear Drive Synchronization – Precise Regulation
Features gear-mesh transmission — blade-end gears interlock for synchronous rotation. The drive gear enables coordinated blade opening/closing with higher precision than traditional linkage designs, delivering clear adjustment feedback and reliable airflow control.
2. Opposed Blade Design – Uniform Airflow
Multiple blades open and close simultaneously, ensuring uniform velocity and constant flow through the damper. Rotating the adjuster synchronizes blade angles while maintaining position across the full regulation range.
3. Aluminum Construction – Durable and Reliable
Manufactured from high-strength aluminum alloy profiles with sealed aluminum plates installed in slots. Aluminum offers corrosion resistance, light weight, and high strength — ensuring smooth operation without jamming or deformation over long-term use.
4. Constant Airflow – Compatible with Various Terminals
The damper delivers uniform velocity and constant flow, adaptable to different grilles and diffusers — meeting diverse air volume regulation requirements across HVAC terminal applications.
5. Customizable Sizes
Custom production available with tailored frames and seals to fit specific grille dimensions. Multi-blade configurations meet various specification requirements, compatible with square/rectangular duct systems.
| Parameter | Specification |
|---|---|
| Product Name | Gear Type Herringbone Damper (Air Volume Control Damper) |
| Function | Air volume regulation |
| Material | High-strength aluminum / Galvanized steel |
| Drive Type | Gear drive transmission |
| Blade Type | Opposed multi-blade |
| Control Type | Manual (adjuster rotation) |
| Airflow Characteristics | Uniform velocity, constant flow |
| Compatible With | Air grilles, diffusers |
| Brand | GUWEN |
| Item | Description |
|---|---|
| Installation | Behind air grilles or diffusers — between duct and grille connection |
| Adjustment | Rotate adjuster — gears synchronize blade angles |
| Maintenance | Regular inspection of gear movement — clean blade surfaces |
| Application Need | Recommended Configuration | Notes |
|---|---|---|
| Standard volume control | Aluminum + Gear drive | Precise and reliable for most commercial spaces |
| Large-size grilles | Multi-blade configuration | Synchronized opposed operation for uniform regulation |
| High-precision constant volume | Precision gear adjustment type | Wide range, reliable position locking |
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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