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Industrial fan or blower outlet silencers are part of a discharge fan system and are designed to address noise emitting from the fan outlet. Transitions, dampers, and screens may be included as part of the complete discharge system. Silencer may be mounted on the fan or blower outlet or on an exhaust air duct or along a wall.  Low-pressure loss through the silencer is the design goal and important to keep the fan horsepower requirement as low as possible with final silencer selection determined on airflow and sound levels required.

Fan outlet silencers are manufactured in many configurations and materials to meet attenuation requirements. Collected sound data along with available space envelope and required noise levels need to be firmly established before the silencer is successfully designed.

Fan Outlet Silencer Construction Options


Construction options are limitless and would include:

  • Metal gauges to 3/8” steel plate
  • Carbon steel, stainless steels, or FRP
  • Flanges
  • Supports
  • Screens
  • Paints & coatings
  • Removable baffles
  • Horizontal or Vertical Configurations

Discharge Fan System Silencer Accessories


There are accessories for fan discharge silences to address those noise applications that exist within a facility or those at exterior property lines:

  • Weather hoods
  • Filter housings
  • Transitions & evases
  • Airflow probes
  • Access doors

Discharge Fan System
An Integral Part of an Industrial Ventilation System


Integrated industrial ventilation systems incorporate a discharge fan silencer on the fan or blower outlet where noise is a contributor to overall plant noise.  Systech is ready to address and curtail your noise issues.

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