Non-return dampers

layer

UL

Non-return dampers prevent unwanted airflows against the intended airflow direction when the system is not in operation


  • Maximum differential pressure: 100 Pa
  • Maximum width of 1600 mm, maximum height of 1615 mm
  • Frame with fixing holes along the perimeter
  • Available in standard sizes and intermediate sizes (in increments of 1 mm)
  • Non-return damper with formed aluminium blades for normal requirements; blades are fitted with seals

 

Optional equipment and accessories

  • Installation subframe
  • Powder coating, RAL CLASSIC colour

 


 


 

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layer

ARK


Non-return dampers prevent unwanted airflows against the intended airflow direction when the system is not in operation

  • Air leakage with back pressure to EN 1751, class 4
  • Maximum differential pressure: 5000 Pa
  • Blades made of aluminium, casing made of galvanised steel
  • Available in standard sizes and many intermediate sizes
  • Variant ARK (with linked blades) for variable volume flows
  • Variant ARK-1 (with adjustable blade restrictors) for constant volume flows
  • Installation in horizontal or vertical ducts

 

Optional equipment and accessories

  • Installation subframe
  • Powder coating (RAL or DB)
  • Stainless steel construction with stainless steel casing; blades made of aluminium
  • Temperature resistant up to 200 °C with Viton seal

 

 

 


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layer

KUL

Non-return dampers prevent unwanted airflows against the intended airflow direction when the system is not in operation

  • Maximum differential pressure: 100 Pa

  • Casing with flange that fits rectangular ducts

  • Maximum width of 1600 mm, maximum height of 1615 mm

  • Available in standard sizes and intermediate sizes (in increments of 1 mm)

  • Non-return damper with formed aluminium blades for normal requirements; blades are fitted with seals

Optional equipment and accessories

  • Casing with flange holes

  • Installation subframe (only KUL-G)

  • Powder coating, RAL CLASSIC colour

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Thank you for your message!

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Our department for Service-Requests will contact you asap.
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Tel.: +43 1 250 43-0| Fax: +43 1 250 43 34