For suction of clean and dusty air. These high pressure fans offer high efficiency and saving of electric power thanks to a special impeller with negative (overturned blades). They are used for pneumatic conveying, in cement factories, in air feeding of cupolas, in foundries and in diesel oil burners, in mills, pasta factories, chemical, siderurgical and metallurgical industries where the fans with low flow rates and medium and high pressure are required.
*) +150 °C with cooling fan