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Special silencer for extraction fan noise nuisance

On some types of fan, the noise causing the nuisance is not primarily a drone, hum or whine, and a noise reduction is needed over a wide range of noise frequencies. In such cases, the advanced noise cancelling technique described in the "cancelling fan noise" example may not be the best option.

Sometimes, an "off the shelf" silencer is not suitable because it does not provide sufficient noise reduction or because it would impose too high a pressure loss, causing an unacceptable loss of fan performance, suction or extraction.

In such cases, we have purpose-designed a special type of silencer. We design this type of silencer in such a way as to provide a very high noise reduction combined with a very low (negligible) pressure loss, i.e. very low resistance to airflow. So, there is little or no loss of suction, extraction or airflow rate.

This type of silencer has been very successful on many different types of fan installation. We design the silencer according to the noise reduction needed. A noise reduction of 15 - 17 dBA is typical for this type of silencer, but in some cases has been as high as 25 dB. Where a lower noise reduction is needed, we design a smaller silencer. This minimises the cost. With a smaller, lower cost silencer, the typical noise reduction is in the region of 8 - 10 dBA.

There are some more industrial fan noise control examples on the Industrial Noise Control - Noise Nuisance and Industrial Noise Control - Noise at Work pages of this web site. Although these focus on an industrial silencer, the purpose-designed type of silencer can be used on any type of fan or in any environment, not just industrial ones.

To find out how we can help you by purpose-designing a silencer or with other types of solution to a fan noise nuisance problem, or to receive our company brochure or a quotation, please click on contact us about an industrial silencer.

Advanced Noise Solutions Ltd  :  01727 864667

could help you save £ thousands on noise silencer solutions

Noise Nuisance Examples
Examples index page
Dust extract fan
Air conditioner - office noise
Fan noise - food factory
Office noise - vibration isolation
Food factory noise nuisance
Boiler rumble noise
Cancelling fan noise nuisance
Special silencer for fan noise
Compressor noise and vibration
Engineering solution for burner noise
Chiller, air conditioner and pump noise
Scrap Extract Fan Noise Attenuation
Sound proofing - press shop
Industrial estate soundproofing
Sound control for a night club
Sound insulation for offices
Industrial Noise at Work
Industrial Noise Nuisance
Fan Noise Reduction
Noise at Work
Noise Nuisance
Noise Measurement
Noise at Work Regulations
Building Soundproofing
Building Sound Absorption
Planning Noise
Noise Training
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