div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imageimg data-url=understanding-centrifugal-fans-wesellfanscomwwwwesellfanscompdfunderstanding-centrifugal-fanspdfpdfhtmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: Understanding Centrifugal Fans - · PDF filesome designs the fan curve closely parallels the System resistance -line and the fan and system can sympathet- ically vary the flow rate loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader031vdocumentinreader031viewer20220304005a71dd837f8b9aa2538d350dhtml5thumbnails1jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=2Page 2button div class=ts-imageimg data-url=understanding-centrifugal-fans-wesellfanscomwwwwesellfanscompdfunderstanding-centrifugal-fanspdfpdfhtmlpage=2 data-page=2 class=ts-thumb lazyload alt=Page 2: Understanding Centrifugal Fans - · PDF filesome designs the fan curve closely parallels the System resistance -line and the fan and system can sympathet- ically vary the flow rate loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader031vdocumentinreader031viewer20220304005a71dd837f8b9aa2538d350dhtml5thumbnails2jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=3Page 3button div class=ts-imageimg data-url=understanding-centrifugal-fans-wesellfanscomwwwwesellfanscompdfunderstanding-centrifugal-fanspdfpdfhtmlpage=3 data-page=3 class=ts-thumb lazyload alt=Page 3: Understanding Centrifugal Fans - · PDF filesome designs the fan curve closely parallels the System resistance -line and the fan and system can sympathet- ically vary the flow rate loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader031vdocumentinreader031viewer20220304005a71dd837f8b9aa2538d350dhtml5thumbnails3jpg width=140 height=200 divdiv