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Sound Attenuator – Rigid Ducting

Sound Attenuator
FOR MECHANICAL VENTILATION WITH HEAT RECOVERY (MVHR)

Overview

In the ever changing world of greater energy efficiency and more comfortable living, there has been a step change in the way that designers and specifiers have addressed domestic ventilation challenges.

Many new homes now incorporate central ventilation systems whereupon individual rooms are connected to a central system utilising a heat recovery unit. This allows for the collection of warm moist air from the wet areas, say in the kitchen and bathroom, to be ducted to the central heat recovery unit, where the moisture content is reduced and the dryer, warm air is used to condition fresh air from outside which is returned to other living spaces, such as the lounge and bedrooms.

One of the potential disadvantages to this network of ducting is that noise from the electric fan and mechanical moving parts can be transmitted along the duct runs and cause a noise nuisance to the occupants.

Features & Benefits

  • Titon’s plastic duct silencers available in 204mm x 60mm and 220mm x 90mm have been designed for high flow rate installations with low pressure drops.
  • The new silencer offers many advantages over the traditional metal equivalent with corrosion free plastic construction giving a long serviceable life and no maintenance.
  • With a height profile of only 95mm, allows for installation in most ceiling and roof voids and can be hidden out of sight on top of kitchen cupboards.
  • Titon’s plastic duct silencers provide effective attenuation as recommended by Document F of the Building Regulations 2010.
  • High-flow performance and low resistance
  • Reducing in-duct noise
  • Prevents cross talk attenuation
  • Available in 204 x 60mm and 220 x 90mm
  • Size length available 500mm, 1000mm and 1500mm
  • Lightweight and easy to install
  • Anti-corrosive

Technical Information

Technical Information

Product Codes

8960290 – 204 x 60mm Hi Flow – 500mm length
8960291 – 204 x 60mm Hi Flow – 1000mm length
8960292 – 204 x 60mm Hi Flow – 1500mm length
8960293 – 220 x 90mm – 500mm length
8960294 – 220 x 90mm – 1000mm length
8960295 – 220 x 90mm – 1500mm length

Specification

Available colours: White
Free Area: up to 11,664mm2
Max/min temp: 60°/-15°C
Material used: UPVC

Dimensions

Plastic Duct Silencers 204mm x 60mm Hi Flow

Product Code
Description
Width
Height
Length
8960290
Rectangular 204 x 60 Hi Flow
225
95
560
8960291
Rectangular 204 x 60 Hi Flow
225
95
1060
8960292
Rectangular 204 x 60 Hi Flow
225
95
1560

Plastic Duct Silencers 220mm x 90mm

Product Code Description Width Height Length
8960293 Rectangular 220 x 90 225 95 508
8960294 Rectangular 220 x 90 225 95 1008
8960295 Rectangular 220 x 90 225 95 1508

Sound Attenuation

Plastic Duct Silencers 204mm x 60mm Hi Flow

Product Code
63Hz
125Hz
250Hz
500Hz
1kHz
2kHz
4kHz
8kHz
8960290
1.1
1.4
2.4
6
10.9
17.9
22.9
24.9
8960291
1.8
0.3
3.3
11.1
21.4
33.9
35.9
25.2
8960292
3.6
2.4
7
16
28.6
39.8
38.2
25.8

Plastic Duct Silencers 220mm x 90mm

Product Code
63Hz
125Hz
250Hz
500Hz
1kHz
2kHz
4kHz
8kHz
8960293
1.9
2.7
3
6.5
9.8
18.6
25.4
26.7
8960294
1.4
4.6
4.1
13
18.2
34.5
43.1
34
8960295
0.1
1.8
3.1
18.1
26.6
43.7
46.1
34.3

Static Pressure Loss

Plastic Duct Silencers 204mm x 60mm Hi Flow

Product Code Flow rate (l/s)  15 30 60 90 120 150 180
8960290 Pa 1.5 7.8 28 59 102 153 214
8960291 Pa 1.8 8 27.8 85 104 166 240
8960292 Pa 2 9.3 28 60 102 155 214

Plastic Duct Silencers 220mm x 90mm

Product Code Flow rate (l/s)  15 30 60 90 120 150 180
8960293 Pa 0.9 3.7 11.7 25.5 45.5 71 101.5
8960294 Pa 1.5 3.9 13.8 30 53.4 82.5 118
8960295 Pa 1.5 4.8 17 37 64 99 140

Documentation

Resources

Catalogues

Ventilation Systems Catalogue

18.75 MB (English)
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Ducting Range - VS Catalogue Pages

1.42 MB (English)
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Sound Attenuator – Rectangular Ducting - Catalogue Page

443.83 KB (English)
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Ducting - ALU Tape

353.61 KB (English)
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Ducting – Tape – Datasheet

807.03 KB (English)
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