Air Valve With Fire Damper
Suggested products
Free 14 day returns
Changed your mind or ordered the wrong unit? You have 14 days from delivery to send it back. As long as items are unused and in their original packaging, we'll arrange your refund. Just contact our team and we'll take care of the rest. Made-to-order and bespoke items are non-returnable.
Why choose eFans?
- Bulk pricing available
- Free help and advice
- Fast quotes, usually within the hour
- Huge range with next-day delivery
- Credit accounts available
Delivery and Warranty
Standard UK Mainland Delivery
If you are not in a rush, then we offer standard delivery and your order should be with you between 2-3 working days.
£6.95
Next Working Day Delivery
Place your order before 12pm Monday to Thursday and receive your order the next working day. Orders placed on Friday before 11am will be processed and delivered on Monday. (Excludes Sunday’s and Public Holidays)
£15.95
Nominated Day Delivery
We know sometimes you will need an order on a particular date in the future. Simply select this option at checkout and add what date you would like to receive the order. We will then contact you to confirm the date. If you need to change this order date then please contact us ASAP.
£15.95
Northern Ireland Delivery
We offer a flat fee rate for Northern Ireland orders, and all are 5-7 working day lead times.
£29.95
Scottish Highlands & Islands Delivery
We only offer a flat fee rate for Scottish Highland & Islands orders, and all are 5-7 working day lead times.
£45.95
Channel Islands Delivery
We only offer a flat fee rate for Channel Islands orders, and all are 5-7 working day lead times.
£45.95
Product Details
Downloads
Specifications
Product specifications
| Brand | FläktWoods |
| Model | KSOF |
| Type | Fire damper exhaust valve |
| Sizes | 100, 125, 150 mm |
| Certification | CE marked EN 15650:2010; tested EN 1366-2 |
| Fire rating | E45 to E120 per installation (EN 13501-3) |
| Fusible link | Closes at 70°C |
| Airflow | 122 to 288 m³/h by size (at 30 dB(A)) |
| Material / finish | Hot-galvanised steel, powder-coated white RAL 9010 (CleanVent) |
| Supplied with | KKT mounting ring and spring-loaded fuse |
Summary
See more specification See less specification
The Air Valve With Fire Damper is a FläktWoods KSOF exhaust valve that doubles as a fire damper, stopping fire and smoke spreading into the duct system. It is CE marked to EN 15650:2010 and tested to EN 1366-2, and has a low sound level with good natural sound attenuation.
- Exhaust valve and fire damper in one
- CE marked to EN 15650:2010, tested to EN 1366-2
- Spring-loaded fusible link closes the valve at 70°C
- Hot-galvanised steel, powder-coated white (RAL 9010) with CleanVent coating as standard
- Good natural sound attenuation and low sound level
- Suitable for horizontal and vertical ducting
- Supplied with its KKT mounting ring
Suitable for
- Exhaust ventilation systems requiring fire and smoke containment
- Fire-rated wall and floor duct penetrations (E45 to E120 depending on installation)
Installation
Supplied complete with a spring-loaded fuse and fixed by a screwing action, locating the valve lugs into the indents in the supplied KKT mounting ring. Suitable for horizontal and vertical ducting. Should be installed in line with the building fire strategy by a competent installer.
Specifications
| Brand | FläktWoods |
| Model | KSOF |
| Type | Fire damper exhaust valve |
| Sizes | 100, 125, 150 mm |
| Certification | CE marked EN 15650:2010 (tested EN 1366-2) |
| Fire rating | E45 to E120 per installation (EN 13501-3) |
| Fusible link | Closes at 70°C |
| Airflow | 122 to 288 m³/h by size (at 30 dB(A)) |
| Material | Hot-galvanised steel, powder-coated |
| Finish | White RAL 9010 (CleanVent coating) |
| Mounting | Ceiling or wall (KKT ring supplied) |
| Warranty | 1 Year Manufacturer |
Manuals & Guides
Air Valve With Fire Damper (KSOF) Datasheet
Product Description
The Air Valve With Fire Damper is a FläktWoods KSOF exhaust valve that doubles as a fire damper, stopping fire and smoke spreading into the duct system. It is CE marked to EN 15650:2010 and tested to EN 1366-2, and has a low sound level with good natural sound attenuation.
- Exhaust valve and fire damper in one
- CE marked to EN 15650:2010, tested to EN 1366-2
- Spring-loaded fusible link closes the valve at 70°C
- Hot-galvanised steel, powder-coated white (RAL 9010) with CleanVent coating as standard
- Good natural sound attenuation and low sound level
- Suitable for horizontal and vertical ducting
- Supplied with its KKT mounting ring
Suitable for
- Exhaust ventilation systems requiring fire and smoke containment
- Fire-rated wall and floor duct penetrations (E45 to E120 depending on installation)
Installation
Supplied complete with a spring-loaded fuse and fixed by a screwing action, locating the valve lugs into the indents in the supplied KKT mounting ring. Suitable for horizontal and vertical ducting. Should be installed in line with the building fire strategy by a competent installer.
Specifications
| Brand | FläktWoods |
| Model | KSOF |
| Type | Fire damper exhaust valve |
| Sizes | 100, 125, 150 mm |
| Certification | CE marked EN 15650:2010 (tested EN 1366-2) |
| Fire rating | E45 to E120 per installation (EN 13501-3) |
| Fusible link | Closes at 70°C |
| Airflow | 122 to 288 m³/h by size (at 30 dB(A)) |
| Material | Hot-galvanised steel, powder-coated |
| Finish | White RAL 9010 (CleanVent coating) |
| Mounting | Ceiling or wall (KKT ring supplied) |
| Warranty | 1 Year Manufacturer |
Manuals & Guides
Air Valve With Fire Damper (KSOF) Datasheet
Delivery & Returns
Our Price Match Promise
Payment Methods
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
What is the Air Valve With Fire Damper for?
It's an exhaust air valve that also acts as a fire damper, closing to stop fire and smoke spreading into the ductwork.
Is it certified?
Yes: CE marked to EN 15650:2010 and tested to EN 1366-2, with fire classifications to EN 13501-3.
At what temperature does it close?
A spring-loaded fusible link closes the valve when the air reaches 70°C.
What sizes are available?
100, 125 and 150mm duct connections.
Can it be fitted horizontally and vertically?
Yes, it suits both horizontal and vertical ducting; the fire rating varies from E45 to E120 depending on the wall or floor type.
What is included?
Each valve is supplied with its KKT mounting ring and a spring-loaded fuse.
