Attenuated supply fan packages, custom-designed for wall mounting on large manufacturing buildings, compressor buildings, rolling mills, warehouses, or foundry ventilation systems where surrounding noise levels are stringent. The supply 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, intake hoods, side access filter assemblies, bird or insect screen, and dampers (automatic or manual)
- Fans can be VFD driven and EXP motors are optional