n  Low, medium pressure. nHigh quality, advanced technology. nHousing made of galvanized pressed steel   or inox stainless steel.n  V-belt and pulley transmission drive. n  Impeller with sparse wide scooped blades.n  Optionally, they can be ordered with high temperature   bearings for industrial use.

Speed Controlers:n  220V input voltage inverter for controlling up   in three phase motors. n 230V input voltage inverter for controlling up to 2 HP in single phase motors.n  380V input voltage inverter for any horsepower rating.n  Speed controllers, pages 166-169. nPerformance Curves for all fans on pages 23-25. nGreater horsepower available upon request.