Direct Drive Plenum Fans

Greenheck s new model apd plenum fan features a direct drive fan with the wheel connected to the motor shaft.

Direct drive plenum fans.

Energy savings with their fan is typically 5 15 higher because of the large back plate and formed special fan blade inlet see below. Equipped with a gusseted mounting panel they are mounted directly to the plenum wall separating the motor and drive components from the process air. Plug fans provide high efficiency recirculation air with the benefit of easy installation and removal. Plug fans offer great versatility for complex system configurations.

Pmd series backward inclined direct drive plenum fan. A plenum fan consists of a centrifugal fan wheel without the surrounding housing. With no fan shaft bearings or belts to maintain model apd eliminates the cost and maintenance associated with traditional belt drive plenum fans. Pmd series backward inclined direct drive plenum fan.

Spun aluminum and steel fans with direct drives and belt drives for exhaust supply recirculate filter and process applications. Air circulation and mancoolers. Backward inclined airfoil wheels provide high efficiency performance and sound characteristics needed for the most stringent hvac applications. View wall mounted fans.

Plenum fans are designed for general hvac applications where large volumes of clean air are required at low to moderate pressures. Direct drive plenum fans a housed fan contains a scroll or housing that directs the air leaving the fan in one direction figure 1. They are designed to pressurize the plenum in which they operate and tek plenum fans are suited for supply or return air applications. Accessories motors hoods roof curbs.

Isolated direct drive plenum fans an isolated plenum fan with backward curved airfoil blades that is both economical and built to last. Includes both direct and belt drive fans with various impeller types suitable for in wall mounted applications.