Properly sizing a centrifugal fan involves calculating the required airflow (CFM) and pressure drop for your specific application. Consider factors such as duct length, bends, and system resistance. Decent Machinery provides sizing tools and expert guidance to help you select the right fan for your needs. Explore our resources at www.scy-fan.com. For assistance, contact us at +86-533-5201284 or email Manager@scy-fan.com. We’re here to help!