Type CF

For the reduction of noise in circular ducts, flexible aluminium construction

 

Circular silencers, in flexible aluminium construction, for the reduction of noise in the circular ducts of air conditioning 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
  • Casing and perforated inner duct made of aluminium
  • Variant with spigot has a groove for a lip seal, suitable for circular connecting ducts to EN 1506 or EN 13180
  • Insertion loss measured according to ISO 7235
  • Casing air leakage to EN 15727, class D


Optional equipment and accessories

  • Socket-type spigots on both ends
  • Raised edges at both ends
  • With lip seals on both ends
small_tab1_Serie CF
  • Application
  • Description

Application

  • Flexible circular silencers Type CF for the reduction of noise in the circular ducts of air conditioning systems
  • For the reduction of air-regenerated noise of air terminal units LVC and TVR, and of mechanical self-powered controllers 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 characteristics

  • Insertion loss measured according to ISO 7235
  • Very flexible and consequently suitable for installation in complicated duct systems and restricted spaces
  • Absorption material is non-combustible
  • Insulation thickness 25 mm or 50 mm

Variants

  • 025: Circular silencer with 25 mm insulation
  • 050: Circular silencer with 50 mm insulation
  • AS2: Circular silencer with socket-type spigots on both ends
  • BK2: Circular silencer with raised edges at both ends
  • Special versions upon request

Parts and characteristics

  • Casing
  • Perforated inner tube
  • Absorption material

Accessories

  • VD2: Lip seals on both ends (factory fitted)
  • AS2: Socket-type spigots on both ends
  • BK2: Raised edges at ends

Construction features

  • Circular casing
  • Flexible construction
  • 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 made of aluminium
  • Lining is mineral wool
  • End pieces made ABS plastic, flammability to UL  94, V-0 (nominal sizes 80 – 125)
  • End pieces made of aluminium (nominal sizes 160 – 400)


 

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
  • Inert to fungal and bacterial growth

Información técnica

  • Technical data
  • Quick sizing
  • Specification text
  • Order code
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Circular silencers for air conditioning systems, flexible construction, available in 8 nominal sizes.

Insertion loss measured according to ISO 7235.

Casing with acoustic and thermal insulation.

Spigot with groove for lip seal, suitable for connecting circular ducts to EN 1506 or EN 13180.

Casing air leakage to EN 15727, class D.

Special characteristics

  • Insertion loss measured according to ISO 7235
  • Very flexible and consequently suitable for installation in complicated duct systems and restricted spaces
  • Absorption material is non-combustible
  • Insulation thickness 25 mm or 50 mm

Materials and surfaces

  • Casing and perforated inner duct made of aluminium
  • Lining is mineral wool
  • End pieces made ABS plastic, flammability to UL  94, V-0 (nominal sizes 80 – 125)
  • End pieces made of aluminium (nominal sizes 160 – 400)


 

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
  • Inert to fungal and bacterial growth

Technical data

  • Nominal sizes: 80 to 400 mm
  • Operating pressure: 1000 Pa max.
  • Operating temperature: 100 °C max.
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Estamos aquí para atenderles

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Por favor mande su solicitud
Tel.: +34 976 50 02 50 | Fax: +34 976 50 09 04

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Contacto

Gracias por su mensaje.

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