External rotor fan

Axial fan and centrifugal fans with external rotor fan General notes: All of models list here are manufactured by Fengda--- 15 years fans manufacture experience, also you can find the specification of fans in detail while your mouse point to the photo, no matter what the application, our products will always give you the solution, They were used in air-conditioning, cooling unit and refrigeration, also used in warehouse, work shop, building etc. if the model you required is not list here, we will also design and customize according to your requirement, please contact us. Bearing type: Our standard fans feature maintenance ball bearings and can be fixed in any mounting position Moisture protection: Our fans covers a wide range of possible applications, the rotor is coated in black paint or varnish and has drilled holes for any condensed water to escape. Electrical data: The adjacent table give speed, power input and total efficiency. In general, the 3-phase motors are designed for 230/400VAC, as of motor size 74, 400V for two speed level are available on request. Insulation class: Standard insulation is class "B", in some case, there are exceptions to the featuring insulation class "F", for higher ambient temperatures or operative ranges with higher pressures, there is always possibility to manufacture in insulation class "F". Direction of rotation and air flow: Direction of air flow "V" means---- Air flow from the rotor side to back side. Direction of air flow "A" means---- Air flow from back side to the rotor side. counter-clockwise ---- seen from rotor side. clockwise ---- seen from rotor side. Accessories: For the fans, there are all kinds of accessories such as guard grilles, wall rings, basket grilles, capacitors etc.