Type CA

For the reduction of noise in circular ducts, suitable for all circular VAV terminal units and CAV controllers, gal vanised sheet steel construction

Circular silencers Type CA for the reduction of noise in the circular ducts of air condi tioning systems

  • 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 galvanised sheet steel
  • Construction variant with spigot connection has a groove for a lip seal, suita ble for connecting circular ducts to EN 1506 or EN 13180
  • Insertion loss tested to EN ISO 7235
  • Casing air leakage to EN 15727, class B
Optional equipment and accessories
  • With flanges on both ends
  • With lip seals on both ends
small_tab1_Serie CA
  • Application
  • Description

Application

  • Circular silencers Type CA for the reduction of noise in the circular ducts of air conditioning systems
  • For the reduction of air-regenerated noise of air terminal units such as LVC and TVR, and of mechanical self-powered controllers such as RN and VFC
  • For the reduction of fan noise
  • Can be used as cross talk silencer to reduce the transfer of noise through ducts between neighbouring rooms

Special features

  • Insertion loss measured according to ISO 7235
  • Absorption material is non-combustible
  • Insulation thickness 50 mm or 100 mm

Variants

  • 050: Circular silencer with 50 mm insulation
  • 100: Circular silencer with 100 mm insulation
  • VF1: Circular silencer with flange on one end
  • VF2: Circular silencer with flanges on both ends
  • Special versions upon request

Parts and characteristics

  • Casing
  • Perforated inner tube
  • Absorption material

Accessories

  • GE: Matching flange for one end
  • GZ: Matching flanges for both ends
  • VD2: Lip seals on both ends (factory fitted)

Construction features

  • Circular casing
  • Spigot suitable for circular ducts to EN 1506 or EN 13180
  • Spigot with groove for lip seal
  • Operating pressure up to 1000 Pa
  • Operating temperature up to 100 °C

Materials and surfaces

  • Casing and perforated inner duct are galvanised sheet steel
  • 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

 

Circular silencers for air conditioning systems, rigid construction, available in 13 nominal sizes.

Insertion loss measured according to ISO 7235.

Casing with acoustic and thermal insulation.

Various types of connection, suitable for circular ducts to EN 1506 or EN 13180.

Casing air leakage to EN 15727, class B.

Special features

  • Insertion loss measured according to ISO 7235
  • Absorption material is non-combustible
  • Insulation thickness 50 mm or 100 mm

Materials and surfaces

  • Casing and perforated inner duct are galvanised sheet steel
  • 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: 100 – 800 mm
  • Operating pressure: 1000 Pa max.
  • Operating temperature: 100 °C max.
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Por favor mande su solicitud
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Contacto

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Visual contact Visual contact

Su mensaje ha sido enviado correctamente, en breve será atendido.
En seguida nos pondremos en contacto con Vd.
Para información general sobre productos o servicios, por favor llamar al:
Tel.: +34 976 50 02 50 | Fax: +34 976 50 09 04