Skip to content

Sound Attenuator – Semi Flexible Ducting

Sound Attenuator
For use with Titon HRV Q Plus MVHR range

Overview

Titon’s Semi Flexible Sound Attenuators consists of a strong multiple layered corrugated perforated aluminium inner duct with an aluminium/polyester laminated outer jacket.  The space between the inner and outer duct is filled with 25mm sound absorbing material which is protected by a vaper barrier.

The duct is fitted with galvanised metal sleeves at both ends to fit to duct work – Female spigots for direct connection to MVHR’s or duct connectors.

Our Semi Flexible Sound Attenuators fulfil all the requirements and are classified as specified within EN 13180: Ventilation for buildings – Duct work – Dimensions and mechanical requirements for flexible ducts.

Features & Benefits

  • Designed for Titon’s MVHR range
  • Easy to fit and install
  • Semi flexible self supporting ducting, minimises airflow resistance
  • Fulfils EN 13180: Ventilation for buildings – Duct work.
  • Flexibility in shape and length, assists quick and tidy installations
  • Reduces both duct and breakout sound levels
  • Provides both acoustic and thermal insulation
  • Isolates unit to ducting to help prevent noise transmission through vibrations

Technical Information

Technical Information

Product Codes

Product
Code
Product
Type
89720 125mm ø Flexible Silencer 0.5m length F-F
89721 125mm ø  Flexible Silencer 1m length F-F
89722 150mm ø  Flexible Silencer 0.5m length F-F
89723 150mm ø  Flexible Silencer 1m length F-F

Specification

Temperature range; Inner duct: -30°C to 250°C, Outer jacket -30°C to 140°C
Operating pressure: up to +2000 Pa
Operating air velocity: max. 10 m/s
Min. bending radius: 1 x Ø + 25 mm
Standard length: 0.5 & 1.0 metres
Other diameters available to order.

Construction

Inner duct: Aluminium
Barrier: Nonwoven cloth
Glass wool blanket: 25mm, 16kg/m³
Outer jacket: Alu/poly laminate
R-value glass wool: 0.65 m² K/W
Thermal Conductivity 0.0385w/(m.k)
Appearance: Aluminium

Classification

EU (EN 13501-1):
Inner duct: A1
Outer Jacket: B-s1,d0 mode

Drawing and Dimensions

According to EN-1506
Dnom (mm) Dfemale  (mm) Tol.
125 125.5 +0 ; -0.5
150 150.6 +0 ; -0.6

Sound Attenuation

Length – 500mm

Dn (mm) L
(mm)
Attenuation, dB – Mid-frequency, Hz
63 125 250 500 1000 2000 4000 8000
125 500 6.3 7.1 15.2 19.9 20.3 26.1 17.1 12.9
150 500 8.3 9.3 17.8 19.4 16.7 25 19.8 13.8

Length – 1000mm

Dn (mm) L
(mm)
Attenuation, dB – Mid-frequency, Hz
63 125 250 500 1000 2000 4000 8000
125 1000 12.4 20.1 33.6 29.8 29.5 33.6 32.1 23.6
150 1000 11.1 11.8 34.2 28.5 26.3 34.9 27.2 21.8

Attenuation Through The Duct Wall (Breakout) – Length 500mm

Dn (mm) L
(mm)
Attenuation, dB – Mid-frequency, Hz
63 125 250 500 1000 2000 4000 8000
125 500 25.3 22.5 17.2 11.9 11.2 11.5 13 18
150 500 24.8 19.6 14.2 9.6 8.9 10.3 12.6 18.1

Attenuation Through The Duct Wall (Breakout) – Length 1000mm

Dn (mm) L
(mm)
Attenuation, dB – Mid-frequency, Hz
63 125 250 500 1000 2000 4000 8000
125 1000 25.2 21.6 18.7 13.2 12.2 12.5 14 17.5
150 1000 23.9 19.4 12.7 9 8 9.1 11.6 14.6

Pressure Loss – (Straight Duct)

Documentation

Resources

Catalogues

Sound Attenuator – Semi Flexible Ducting - Catalogue Page

467.99 KB (English)
Download

URL for Sound Attenuator – Semi Flexible Ducting - Catalogue Page copied to clipboard.

Ducting – Tape – Datasheet

807.03 KB (English)
Download

URL for Ducting – Tape – Datasheet copied to clipboard.

Similar Products

Similar Products

Woman working at computer

Contact one of our experts

Whatever your query, please get in touch.