Forward Curved Blower

Top panel and inlet panel can be changed, to allow 90deg or 180deg air flow. Twin-walled casing made of galvanized sheet steel. With insulation, low noise level, easy installation, can connection to DIN-standard tubes, forward curved impeller for higher pressure, screw topped for simple access to blower. made of reinforced with glass fibre Polyamide Panels made of galvanized sheet steel with inner sound absorbing mat of concealed mineral wool. The silent tube fans sizes 125-315M have multiple step motors. Therefore the speed can be changed by using a switch. Attention!.These motor must be mounted with horizontal shaft position!. The silent tube fans 315L - 400 are driven by a speed controllable external rotor motor, protection class IP 44 according to DIN 40050, insulation class B. Motor protection by thermical contact inserted into the winding.