Allvent Non Return Damper 250MM

The Allvent ALVBD25 ALV359 Non Return Damper is a 250mm in-line ducting accessory designed to help reduce backdraft in circular ventilation systems. Its air-stream operated shutter makes it a practical choice for larger residential, commercial and light industrial ducted exhaust systems where airflow needs to move in one direction. Installed in-line with circular ducting, it helps prevent unwanted air returning through the duct run and supports efficient ventilation performance in applications such as bathrooms, laundries, kitchens, utility rooms, workshops and roof space ventilation.

• Air-stream operated backdraft shutter
• Designed for in-line installation with circular ducting
• Helps reduce unwanted air returning through the duct system
• Suitable for exhaust fan and ventilation installations
• Ideal for bathrooms, laundries, kitchens, utility rooms, workshops and roof space ventilation
• Can be used in residential, commercial and light industrial ducted ventilation systems
• Part of the Allvent Non Return Damper range

Click here for Data Sheet