- Home
- Fire Dampers & Volume Control
- Back-Draught Shutter (BDS)
Back-Draught Shutter (BDS)
Back-Draught Shutter (BDS)
Couldn't load pickup availability

Explore tool specifications
Description
Back-Draught Shutter (BDS)
The Back-Draught Shutter (BDS) is designed to prevent reverse airflow in duct systems, ensuring effective ventilation control. With a tube diameter of 125 mm, this shutter features a spring-loaded butterfly lock that acts as a secure barrier when there is no airflow, preventing drafts and heat loss. Constructed from high-quality galvanized steel with durable aluminum flap blades and a stainless steel axle and spring, the BDS guarantees longevity and reliability. The shutter can withstand temperatures ranging from -30°C to 250°C, making it ideal for both residential and industrial applications.
Applications:
-
Ventilation systems in residential, commercial, and industrial settings
-
HVAC systems to prevent reverse airflow
-
Use in ducts for heating and cooling systems
Specifications:
-
Tube diameter: 125 mm
-
Material: Galvanized steel with aluminum blades, stainless steel axle and spring
-
Temperature resistance: -30°C to 250°C
Features:
-
Spring-loaded butterfly lock for efficient sealing
-
Durable materials ensure long-lasting performance
-
High-temperature resistance suitable for various environments
Ensure smooth airflow and energy efficiency with the Back-Draught Shutter (BDS)). Order now to enhance your ventilation system!
Material Composition
Product Specifications
UK's #1 Ducting Supplier
Experience superior quality
Our ducting and ventilation products are built for durability and performance, helping every project run smoothly and safely.
Durable ducting, smooth airflow, efficient installation – built to get the job done.
Durable ducting, smooth airflow, efficient installation – built to get the job done.
Durable ducting, smooth airflow, efficient installation – built to get the job done.
Durable ducting, smooth airflow, efficient installation – built to get the job done.
FAQs about ducting
What types of ducting do you supply?
We supply a full range of ducting, including round ducting, rectangular ducting, spiral ducting, and fabricated bends. Our products are suitable for residential, commercial, and industrial HVAC and ventilation projects.
How do I choose the right ducting size?
The correct size depends on airflow requirements, duct run length, and the number of bends. For guidance, check our duct sizing guide or contact our team for expert advice.
Can I order ducting online for delivery?
Yes. We offer fast, reliable UK delivery for all ducting products, including custom sizes and specialized fittings.
What materials are your ducting products made from?
Our ducting is made from high-quality galvanized steel, aluminium, or rigid plastic, depending on the product and application. All materials are durable and built for long-term performance.
Do you offer custom ducting sizes?
Yes. We can supply custom ducting and fabricated bends to meet specific project requirements, ensuring a perfect fit for any layout.
Customer reviews
-
The delivery was fast and reliable, arriving exactly when promised. All the ducting and fittings were well-packaged and in perfect condition, which made our project run smoothly without any delays.
Martin S.Commercial Kitchen Fitter -
We've been using their ducting and fittings for several months, and the quality is exceptional. The materials are durable and built to last, which has reduced rework and made installations much more efficient. Highly recommended!
Sarah T.Project Manager -
We installed their external ducting across multiple sites, and it has held up perfectly against weather and wear. The materials are tough, corrosion-resistant, and built to last, no issues even after months outside. Really reliable products.
Chris R.HVAC Installer
Back-Draught Shutter (BDS)