x
  • ventilation fire dampers
  • ventilation fire dampers

Circular Single Blade Fire Damper - For Ventilation Systems

(0 Reviews)
(incl VAT) £126.78 £115.26
-10%
(excl VAT) £96.05
Send Me a Quote
Estimated Delivery Date Jun 10, 2026 - Jun 11, 2026
No deliveries on weekends or holidays.
Hurry! place your order before 03:00 pm and get next-working day delivery
Every Order Plants 1 Tree and Protects 10 Existing Ones
Calculate Estimate Shipping Charges

Request a Quote

Our team is happy to fulfil custom orders, offer special bulk discounts you cannot get from the website. Please get in touch today to discuss your needs.

Captcha Image

The Circular Single Blade Externally Resettable Combination Fire and Volume Control Damper is a compact, space-saving solution designed for easy commissioning and maintenance. It functions simultaneously as a manual volume control damper and a fully operational fire damper. Testing, resetting, and thermal fuse replacement are performed entirely outside the ductwork. [1, 2, 3, 4]

Key Features

  • Compact Design: Ideal for tight spaces with a 320mm standard case length.
  • Dual Functionality: Combines fire safety with a 7-preset manual volume control handle (10° increments).
  • External Maintenance: Thermal fuse replacement and resetting happen outside the duct.
  • Easy Installation: Perforated installation plate acts as a template for quick mounting.
  • Visual Indicator: Alignment handle clearly shows the internal blade position.
  • Compliance Ready: May require access panels to meet DW145 G.3.1.5 standards.  

Standards & Classifications

  • Fire Resistance: Meets EN 1366-2 criteria (even when set to a volume control preset).
  • Smoke Leakage: ES classified for reduced smoke leakage under BS EN 1366-2.
  • Airflow Performance: Aerodynamically tested to BS EN 1751.
  • Casing Standards: Damper casing conforms to BS EN 1506.
  • Versatility: Tested and assessed for various supporting structures.  

Note: This product must be installed strictly in accordance with the manufacturer's guidelines. [1]


  • Circular Single Blade Externally Resettable Combination Fire and Volume Control Damer
  • Dual Action: Combines a fully operational fire damper with manual volume control.
  • Smoke Safety: ES classified for reduced smoke leakage (BS EN 1366-2)
  • Airflow Tested: Aerodynamically tested and approved to BS EN 1751 standards.
Product Type  Fire Dampers
Product Code  Circular Single Leaf Fire Damper
Applications   HVAC and Ventilation Systems
Available Sizes  100mm, 125mm, 150mm, 160mm, 200mm, 250mm, 300mm, 315mm.

 

Delivery Terms
Area Order value Delivery Charge (Ex VAT)
On select Postcodes (Around London, Manchester, Leeds, Bristol, York etc)  Orders  Below £110 £10
On select Postcodes (Around London, Manchester, Leeds, Bristol etc)  Orders Above £110  Free Delivery
On select Postcodes (Scotland, Swansea, Cornwall etc) Any value £25

 

Returns/Refunds And Cancellations:

You can cancel your order and get a full refund anytime before we confirm your order via email. Orders cannot be cancelled after the order confirmation is sent. 

If you want to return insulation that was ordered in excess or not of use anymore, you can return them within 14 days from the date of receipt, provided they are unused and in a resalable condition. The customer returns the goods to the address shared via email. Please contact us via email and we will assist you accordingly.

If the product is damaged, then you are within your rights to claim an exchange or a refund. For more information, please refer to our delivery information page.

For more information on returns and deliveries, please refer to our delivery information page.

Our Customers Include

Brand
Brand
Brand
Brand
Brand
Brand
Brand
Brand
Brand
Brand
Brand
Brand
Brand
Brand
Brand
Brand

Add a Review

Your email address will not be published.

Request Site Visit

closeclose

Delivery Charges

closeclose
Delivery Terms
Area Order value Delivery Charge (Ex VAT)
On select Postcodes (Around London, Manchester, Leeds, Bristol, York etc)  Orders  Below £110 £10
On select Postcodes (Around London, Manchester, Leeds, Bristol etc)  Orders Above £110  Free Delivery
On select Postcodes (Scotland, Swansea, Cornwall etc) Any value £25

 

Request a Call back

closeclose
Captcha Image

Request a Quote

closeclose
Captcha Image