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Fan inlet silencers - dB Noise Reduction


dB Noise Reduction offers a variety of different inlet silencer designs and configurations to accommodate a wide range of fan applications. When choosing the type of inlet silencer to use, the following factors should be considered.

  • Fan type
  • Duct configuration
  • Allowable pressure drop
  • Required noise reduction

A large selection of accessories are available to customize your fan inlet silencer to meet the needs of your specific application.

  • Weather hoods and cowls
  • Bird and insect screens
  • Matched and drilled flanges
  • Access doors or panels
  • Mounting and support legs
  • Inlet filters

The dB Noise Reduction team welcomes the opportunity to assist you in choosing the best possible inlet silencers. Please contact us to discuss your specific application.

Assortment of galvanized circular fan inlet silencers.Rectangular fan inlet silencers.
One section of a multi section mine ventilation silencer being loaded onto a truck.Rectangular inlet fan silencer.
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Fan inlet silencers

Centrifugal fan inlet silencers

Centrifugal fan - rectangular inlet silencer
Centrifugal fan - rectangular vertical inlet silencer
Centrifugal fan - rectangular inlet elbow silencer
Centrifugal fan - inlet box silencer
Centrifugal fan - circular inlet silencer

Propeller fan silencers

Propeller fan rectangular inlet/outlet silencer
Propeller fan elbow inlet/outlet silencer

Inline axial/centrifugal fan silencers

Horizontal inline axial rectangular inlet/outlet silencer
Horizontal inline axial elbow inlet/outlet silencer
Horizontal inline axial circular inlet/outlet silencer

Roof exhauster silencers

Vertical roof exhauster with a rectangular inlet silencer
Vertical roof exhauster with an elbow inlet silencer


Servicing clients in the US, Canada, Mexico, and many international locations worldwide.