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Hinged Return Air Grille with 45° Fixed Blade and Aluminum Hinged Opening Mechanism for HVAC Return Air Louver Systems

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Hinged Return Air Grille with 45° Fixed Blade and Aluminum Hinged Opening Mechanism for HVAC Return Air Louver Systems

Name: Hinged Return Air Grille with 45 Fixed Blade and Aluminum Hinged Opening Mechanism for HVAC Return Air Louver Systems
Brand: XINGJIN
Price: 1 USD

Wholesale Hinged Return Air Grille with 45° Fixed Blade and Aluminum Hinged Opening Mechanism for HVAC Return Air Louver Systems from china suppliers

Price : Pricing based on quantity

Place of Origin : Guangzhou,China

Supply Ability : 30000set/month

Shape : Customized

Product Name : ventilation Louvers Vent Cover Air Grille

Installation : Wall/Ceilling Mounted

Function : Smoke Exhaust/ventilation

Packaging Details : Plywood outer box with bubble bag or paper

MOQ : 50 set system

Delivery Time : 15-20days

Certification : GSG\TUV

Model : LKF1-13

Payment Terms : T/T,L/C

Material : ABS plastic, aluminum alloy, custom wood

Brand Name : XINGJIN

Model Number : FHF-W/FHF-W-K/FHF-WS-FK/FHF-WSDC -K

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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.

Technical Specifications

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

Product Types

Strip-Shaped Straight Diffuser Used for indoor and circular supply and return air distribution. Various shapes can be made according to decoration requirements. A black aluminum mesh can be installed behind the vent to conceal the inside. Multiple vents can be connected in parallel with a splicing plate at the joint.
Egg-Shaped Air Vent Simple structure with low pressure loss; used for ceiling air supply and return. Available in two sizes with egg-shaped grids; compatible with ventilators.
Fixed Oblique Blade Air Outlet Can be used in unidirectional (A) or bidirectional (B) oblique air supply mode. Can be made into various shapes according to decoration requirements. Can be used as a return air outlet. Can be equipped with a multi-bladed opposing regulating valve or a filter screen.
Waterproof Louvered Air Vents The louvers are designed with a special shape to prevent rain from splashing into the interior. Typically installed on exterior walls as fresh air vents. An aluminum mesh can be added behind the vent to prevent birds or insects from entering.

For more styles and models, please contact us and we will provide you with the catalog.

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

Core Value: In commercial building HVAC systems, return air grille filter screens require regular cleaning. The hinged design eliminates the need for screw removal, significantly reducing maintenance difficulty and time costs, ensuring long-term efficient system operation.

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

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 and return airflow
Large blade (33 mm) and small blade (26 mm) 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

Frequently Asked Questions

Q: Do you have the type of air vent I need? Could you please show me your catalog?

A: Of course. We have a complete catalog of various air vent types. Please contact us and we will provide you with a catalog. You can also send us pictures of the style and quantity you require, and we will check for you.

Q: Can you design a complete ventilation system for my factory?

A: Yes. Please provide us with your factory dimensions and area, and our professional designers will provide you with excellent advice.

Q: Can you do OEM and branding?

A: Yes, we offer OEM and ODM services, and we can also brand your products.

Q: Can you customize the materials and shapes of your air vents?

A: Yes, we are both a manufacturer and a trading company. We have our own factory and welcome your inquiries.

Why Choose Us

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Hinged Return Air Grille with 45° Fixed Blade and Aluminum Hinged Opening Mechanism for HVAC Return Air Louver Systems

Hinged Return Air Grille with 45° Fixed Blade and Aluminum Hinged Opening Mechanism for HVAC Return Air Louver Systems

HVAC Systems Return Air Grille

45° Fixed Blade Return Air Grille

Hinged Return Air Grille

Hinged Return Air Grille with 45° Fixed Blade and Aluminum Hinged Opening Mechanism for HVAC Return Air Louver Systems Images