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Wheel characteristics, Belt drive: fan class, Direct drive: percent wheel width – Greenheck Fan Mixed Flow Fans Belt and Direct Drive QEI-L User Manual

Page 7: Sound power versus sound pressure

Wheel characteristics, Belt drive: fan class, Direct drive: percent wheel width | Sound power versus sound pressure | Greenheck Fan Mixed Flow Fans Belt and Direct Drive QEI-L User Manual | Page 7 / 52 Wheel characteristics, Belt drive: fan class, Direct drive: percent wheel width | Sound power versus sound pressure | Greenheck Fan Mixed Flow Fans Belt and Direct Drive QEI-L User Manual | Page 7 / 52