Exhaust ventilation systems installed in various premises.Roof mounting.For any types of roofs or vertical ventilation shafts.
Steel casing and impeller with a special polymer atmospheric resistant coating.Horizontal air exhaust.The fan is equipped with a terminal block for connection to power mains.The fan is rated for continuous operation.A connecting plate with an intake opening is designed to facilitate mounting to the roof surface.
Smooth speed control with an external thyristor controller or step speed control with an external auto transformer (both available upon separate order).
Two- or four-pole asynchronous motor with external rotor and axial impeller.Single-phase (E) motor modification.Equipped with ball bearings for longer service life.Overheating protection by built-in thermal switches with automatic restart.
Roof mounting directly above a ventilation shaft or air duct.The fan is connected to the air duct with the intake flange that is fixed to the fan base.The fan base has holes for fixing bolts that attach the fan to a stable level surface or a roof frame.Roof frame and intake flange available on separate order.Power is supplied through an external terminal box.