Description -With strong air pressure, high rotational speed and air volume, strong suction, reasonable structure and superior performance. -It is portable and can be moved easily. -The shell of the ventilator is made of hot-dipped galvanized sheet which has spray painted automobile coating on its surface. -The impeller is made of aluminum casting alloy. -It is with dusting(zinc coating) fan guard, switch and integrated plastic handle. -The motor is wrap around with international standard copper wire. With radiating rib aluminum casting integrated motor shell. Application: -Equipping with flexible duct, it has been used to exhaust and supply flesh air in remote or deep operating zone, confined space construction and other bad air environment. -It is extremely good for the exhausting of welding waste gas, smoke, dust, the smell of paint during shipbuilding and maintenance. -As well as the ventilation of the field of machinery, chemical industry, plant warehouse, underground sinking and driving engineering. It is the labor protection equipment aiming at improving working condition. Detail information: -Diameter: 200mm, 250mm, 300mm, 350mm, 400mm, 450mm, 500mm, 600mm -From diameter 200mm to 350mm, the ventilator is of light weight with handle, and also have a integrated switch; -From 350mm to 600mm and above, it can be equipped with a stand in order to adjust the blowing angle. There are handles on both side of the 400mm to 600mm ventilators, which can make it easy to carry. Stand is also available so as to move on the ground easily. Voltage: 36V, 110V,220V,380V,440V. Frequency: 50Hz, 60Hz, 50/60Hz universal type Plug: European, American, British, Japanese, etc.