Door Grille Door Transfer Grille
Door Grille Door Transfer Grille - Image 2
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Door Grille Door Transfer Grille

Aluminum Door Grille / Transfer Grille for HVAC Air Transfer Applications

HVAC Door Transfer Grille for Internal Airflow and Pressure Relief

Door Grille / Transfer Grille is designed to allow air transfer between adjacent rooms while maintaining door closure and privacy requirements. It is widely used in HVAC ventilation systems for return air transfer, pressure equalization, and airflow circulation.

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Product Description

The Door Grille, also known as Transfer Grille, is used to transfer air through doors, partitions, or walls between connected spaces. It helps maintain continuous airflow and pressure balance without the need for ducted return air in every room.

This product is commonly installed in residential, commercial, and institutional buildings where air circulation between rooms is required while the door remains closed.

Key Features

  • Designed for air transfer through doors or partitions
  • Helps balance room pressure and improve air circulation
  • Suitable for return air and transfer air applications
  • Available in single-sided or double-sided configurations
  • Optional inverted V-blade design for privacy protection
  • Lightweight, durable, and corrosion-resistant
  • Easy to install on timber, metal, or composite doors

Structure

  • Frame: Aluminum or steel frame
  • Blade Type: Fixed blades / inverted V blades / sightproof blades optional
  • Mounting: Door mounted or partition mounted
  • Configuration: Single-sided or double-sided
  • Finish: Powder coated / anodized / customized

Applications

  • Internal doors
  • Toilet and bathroom doors
  • Hotel room doors
  • Office partitions
  • Utility rooms
  • Air-conditioned rooms
  • Return air transfer systems
  • Pressure relief ventilation systems

Technical Specifications

  • Material: Aluminum / galvanized steel / stainless steel optional
  • Blade Type: Fixed blade / chevron blade / sightproof blade
  • Shape: Rectangular standard
  • Finish: White powder coating, anodized, or custom color
  • Installation: Screw fixing or clip fixing
  • Size: Standard and custom sizes available

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