Helios HWD 630/4/4 TK

Axial high-performance fan with wall mounting ring and intake nozzle, directly driven. The wall ring is made of galvanized sheet steel, double coated in papyrus white, and features a nozzle with a protective grille on the intake side. There is a connection box located on the motor. The impeller has 7 blades made of fiberglass reinforced plastic, with a hub made of galvanized sheet steel. The blade angle can be adjusted continuously from the outside in the stationary state, ensuring high efficiency and a balancing quality of G 6.3 according to VDI 2060. It is equipped with a three-phase cage motor, two-speed with star-delta connection, closed design, maintenance-free and sealed, with low-noise ball bearings with long-term lubrication.