div class=trans-pagebutton class=gotoPage data-page=1Page 1button div class=trans-imageimg data-url=documentfans-shall-be-direct-drive-equipped-with-an-impeller-with-9-aerodynamic-bladeshtmlpage=1 data-page=1 class=trans-thumb lazyload alt=Page 1: Fans shall be direct-drive equipped with an impeller with 9 aerodynamic blades and a rotating shroud to ensure optimal leak-tightness between the blades and the fan housing Fans impellers loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader033fdocumentsinreader033viewer20220419175e6a0607417a2f0c096e7cd3html5thumbnails1jpg width=140 height=200 divdivdiv class=trans-pagebutton class=gotoPage data-page=2Page 2button div class=trans-imageimg data-url=documentfans-shall-be-direct-drive-equipped-with-an-impeller-with-9-aerodynamic-bladeshtmlpage=2 data-page=2 class=trans-thumb lazyload alt=Page 2: Fans shall be direct-drive equipped with an impeller with 9 aerodynamic blades and a rotating shroud to ensure optimal leak-tightness between the blades and the fan housing Fans impellers loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader033fdocumentsinreader033viewer20220419175e6a0607417a2f0c096e7cd3html5thumbnails2jpg width=140 height=200 divdivdiv class=trans-pagebutton class=gotoPage data-page=3Page 3button div class=trans-imageimg data-url=documentfans-shall-be-direct-drive-equipped-with-an-impeller-with-9-aerodynamic-bladeshtmlpage=3 data-page=3 class=trans-thumb lazyload alt=Page 3: Fans shall be direct-drive equipped with an impeller with 9 aerodynamic blades and a rotating shroud to ensure optimal leak-tightness between the blades and the fan housing Fans impellers loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII=...