Air Valve With Fire Damper
Air Valve With Fire Damper
£85.99
SKU: KSOF100

Air Valve With Fire Damper

100 to 150mm sizes
CE-marked fire damper (EN 15650)
White steel, CleanVent coating
The size is the duct connection, not the face. Each valve seats into same-diameter duct and comes with its KKT mounting ring.
Estimated delivery
19 in stock
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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

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

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 is available in 100, 125 and 150mm.

A spring-loaded fusible link closes the valve when the air reaches 70°C. The hot-galvanised steel body is powder-coated white (RAL 9010) with CleanVent coating as standard, has good natural sound attenuation, and is supplied complete with its KKT mounting ring for horizontal or vertical ducting.

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

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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.

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