WK25 Rectangular Fire Damper

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  • WK25 Rectangular Fire Damper
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Description

​Fire Damper WK25 is a rectangular fire damper with 25mm thick closing blade made from refractory material for air duct system that penetrate fire resistance wall or floors.

This rectangular fire damper has casing leakage performance Class C according to Standard EN 1751:2014 section C.3.

WK25 fire damper prevents fire and smoke from spreading through the air duct system. WK25 rectangular fire damper is tested and classified in accordance with EN 130501-3 and EN 1366-2 with 500 Pa negative pressure and CE marked in accordance with EN 15650.

Rectangular fire damper WK25 is optimised for small size ducts and reduced installation space with a focus on acoustical and aeraulic performance.

Related Documents

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​Characteristics of WK25 Rectangular Fire Damper

  • The casing is made of galvanized carbon steel (stainless steel is only available for the motorised version)
  • Intumescent sealing gasket
  • 25mm thick closing blade made from refractory material
  • Thermal labryinth obtained from the casing
  • Opening/closing mechanism with IP42 protection box (IP54 for motorised version)
  • Internal frame made from refractory material
  • Cold smoke air seal gasket
  • Internal intumescent gasket for hot smoke seal

 

European Standards and Certification

  • Test - EN 1366-2
  • Thermal Fuse Reliability - ISO 10294-4
  • Classification - EN 13501-3
  • Air Tightness - EN 1751
  • Resistance To Corrosive Environments - EN 60068-2-52
  • CE Certification - EN 15650
  • CE Certificate of Constancy of Performance
  • German, Swiss and Swedish Approval
  • NF Certification
  • Fire Resistance Classification According to EN 13501-3-2009