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Non Return Damper 125mm | Galvanized Steel | Backdraft Prevention by Allvent

BRAND: Allvent
SKU: ALV356
$28.70 List price: $34.70
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Non return damper with 125mm diameter and galvanized steel construction—ideal for HVAC systems. Built for preventing reverse airflow, ensuring efficient ventilation in commercial and residential settings.

Product Name/Title: Non Return Damper 125mm | Galvanized Steel | Backdraft Prevention by Allvent

Brand: Allvent

SKU: ALV356

Alternatively Known As: Backdraft Damper, Airflow Check Valve, Ventilation Non Return Valve

Technical Specifications
  • Size: 125mm diameter
  • Model: ALVBD12
  • Code: ALV356
  • Material: Galvanized steel
  • Function: Allows airflow in one direction only
  • Dimensions (H x L x W): 125mm x 150mm x 125mm
  • Weight: 1.5 kg
Key Features
  • Prevents reverse airflow in ventilation ducts
  • Durable construction for long-lasting performance
  • Suitable for 125mm duct size
Professional Installation Requirements
  • Installation by a qualified HVAC technician is recommended to ensure proper fit and function.
Applications
  • HVAC systems to prevent backflow of air
  • Commercial and residential ventilation systems
  • Industrial air handling units
Standards & Compliance
  • Complies with AS/NZS 1680 – Interior Lighting and Workplace Illumination
Environmental Benefits
  • Helps maintain HVAC system efficiency, reducing energy consumption
  • Prevents contamination by stopping reverse airflow
Warranty Information

1 year warranty against manufacturing defects.

Available Now

The Allvent Non Return Damper 125mm is available now for immediate purchase. Ideal for use in commercial and residential ventilation systems to prevent backflow.