Type CAK

 

Plastic circular silencers for the reduction of noise in the circular ducts of extract air systems for aggressive media

  • Absorption material is non-combustible mineral wool with RAL quality mark, biosoluble and hence hygienically safe according to the German TRGS 905 (Technical Rules for Hazardous Substances) and EU directive 97/69/EG
  • Mineral wool faced with non-woven glass fibre as protection against erosion due to airflow velocities up to 20 m/s
  • Casing and perforated inner duct are flame-resistant polypropylene (PPs) to DIN 4102, building class B1
  • Construction variant with spigot connection suitable for circular ducts accor ding to DIN 8077 or DIN 8078
  • Insertion loss tested to EN ISO 7235
  • Casing air leakage to EN 15727, class D
Optional equipment and accessories
  • With flanges on both ends

 

small_tab1_Serie CAK
  • Application
  • Description

Application

  • Plastic circular silencers Type CAK for the reduction of noise in the circular ducts of air conditioning systems
  • Suitable for contaminated air
  • For the reduction of air-regenerated noise of air terminal units TVRK and TVLK
  • For the reduction of fan noise

Special features

  • Insertion loss measured according to ISO 7235
  • Absorption material is non-combustible

Variants

  • CAK: Circular silencer
  • VF2: Circular silencer with flanges on both ends

Parts and characteristics

  • Casing
  • Perforated inner tube
  • Absorption material

Accessories

  • GZ: Matching flanges for both ends

Construction features

  • Circular casing
  • Spigot suitable for circular ducts according to DIN 8077 or DIN 8078
  • Maximum operating pressure 1000 Pa
  • Operating temperature 10 to 100 °C

Materials and surfaces

  • Casing and perforated inner duct are flame-resistant polypropylene (PPs) to DIN 4102, building class B1
  • Lining is mineral wool


 

Mineral wool

  • To EN 13501, fire rating class A2, non-combustible
  • RAL quality mark RAL-GZ 388
  • Biosoluble and hence hygienically safe according to the German TRGS 905 (Technical Rules for Hazardous Substances) and EU directive 97/69/EG
  • Faced with glass fibre as protection against erosion through airflow velocities up to 20 m/s
  • Inert to fungal and bacterial growth

Información técnica

  • Specification text
  • Order code

 

Plastic circular silencers for use in extract air systems subject to aggressive media; they reduce the air-regenerated noise in plastic ducts (absorption principle).

Insertion loss measured according to ISO 7235.

Absorption material is mineral wool with RAL quality mark RAL-GZ 388.

Spigot, suitable for ducts according to DIN 8077.

Casing air leakage to EN 15727, class D.

Special features

  • Insertion loss measured according to ISO 7235
  • Absorption material is non-combustible

Materials and surfaces

  • Casing and perforated inner duct are flame-resistant polypropylene (PPs) to DIN 4102, building class B1
  • Lining is mineral wool


 

Mineral wool

  • To EN 13501, fire rating class A2, non-combustible
  • RAL quality mark RAL-GZ 388
  • Biosoluble and hence hygienically safe according to the German TRGS 905 (Technical Rules for Hazardous Substances) and EU directive 97/69/EG
  • Faced with glass fibre as protection against erosion through airflow velocities up to 20 m/s
  • Inert to fungal and bacterial growth

Technical data

  • Nominal sizes: 125 – 400 mm
  • Operating pressure: 1000 Pa max.
  • Operating temperature: 100 °C max.

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Our department for Service-Requests will contact you asap.
For general question regarding products or services you can also call:
Tel.: +54 (11) 4233 5676