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Sound Attenuated Generator Enclosure structurer and sound Levels Explained

Many industries require backup power. These high-tech industries are often located in or close to a city or residential area. Both countries, states and Occupational Safety and Health Administration (OSHA) sound guidelines must be followed when selecting a generator set. Sound is generally measured at the property line of the facility. The maximum permitted overall noise levels range from 60 to 78 dB(A). Each area has specific requirements that must be met.

Sound levels from 80 to 100 dB(A) are considered to be very loud, 100 to 125 dB(A) uncomfortable, and 140 dB(A) reaching the threshold of pain.
About Reducing Generator Set Noise, There are a few concepts to follow when reducing a generator set noise. Generator set manufactures use these concepts when designing sound-attenuating enclosures:

Acoustic Barrier – Enclosures constructed of steel panels. Electrical, fuel pipes and any other auxiliary entries must be sealed.
Acoustic Insulation – Sound absorbing insulation in/on interior panels.
Isolation Mounts – Generator, engine and auxiliary support components are connected using isolation mounts.
Cooling Air Attenuation – Baffles installed into air intake louvers.
Exhaust – Style of muffler installed is significant. Choose muffler that meet state and local requirements.
Enclosure Location – Locate enclosure as far from property line as possible.



So before you purchase the silent generator, it is better to know the structure of the sound attenuate generator. Here it is.





Hiersun diesel Generator offers sound-attenuated enclosures  in three different levels. Each level offers a different level of sound output during operation. The three levels of sound-attenuation are:

Level I – Generator operates at 70 to 89 d(B)A
Level II – Generator operates at 63 to 78 d(B)A
Level III – Generator operates at 68 to 70 d(B)A


Welcome to contact us for more information of silent generator.

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