Direct Drive Plenum Fans

Air circulation and mancoolers.

Direct drive plenum fans.

This design saves space by eliminating traditional scroll housings transitions and diffusers normally found within a plenum. Plug fans provide high efficiency recirculation air with the benefit of easy installation and removal. Pmd series backward inclined direct drive plenum fan. Plenum fans are designed for general hvac applications where large volumes of clean air are required at low to moderate pressures.

Greenheck s new model apd plenum fan features a direct drive fan with the wheel connected to the motor shaft. Plug fans offer great versatility for complex system configurations. Includes both direct and belt drive fans with various impeller types suitable for in wall mounted applications. Isolated direct drive plenum fans an isolated plenum fan with backward curved airfoil blades that is both economical and built to last.

The fan wheel pressurizes the surrounding plenum allowing air to discharge in multiple directions. Accessories motors hoods roof curbs. They are designed to pressurize the plenum in which they operate and tek plenum fans are suited for supply or return air applications. Look at the direct drive plenum fans manufactured by ziehl abegg a german company that manufactures direct drive plenum fans with the highest efficiency and lowest sound levels in the industry.

Pmd series backward inclined direct drive plenum fan. View wall mounted fans. Backward inclined airfoil wheels provide high efficiency performance and sound characteristics needed for the most stringent hvac applications. Equipped with a gusseted mounting panel they are mounted directly to the plenum wall separating the motor and drive components from the process air.

Direct drive plenum fans a housed fan contains a scroll or housing that directs the air leaving the fan in one direction figure 1. A plenum fan consists of a centrifugal fan wheel without the surrounding housing.