Attenuated exhaust fan packages, custom-designed for rooftop mounting on large manufacturing facilities, compressor buildings, rolling mills, warehouses, and foundry ventilation systems where surrounding noise levels are stringent. The exhaust fan is selected on ventilation requirements and the silencer section is designed on exterior noise criteria. These are custom units designed per specification.
- Construction options include galvanized metal, aluminum, or painted carbon steel
- Lock seam or all-welded assembly
- Units are packaged “drop-in” design for ease of installation
- Optional paints, bird screen, and dampers (automatic or manual)
- Fans can be VFD driven and EXP motors are optional