Ventilation engineers explain: What to look for in a commercial or industrial fan                  TABLE OF CONTENTS   How radial loading affects fan life...Page 2 & 3   How drive design affects fan life...Page 3 & 4   How blade assembly design affects fan life...Page 4 & 5   How panel structure affects fan life...Page 6   How paint finish affects fan life...Page 7 As you know, fans for a given application are similarly priced.  Differences in value only become apparent after years of use.  That is when poor design and cost cutting "trick" begin to rob you of fan life. TOC | Page 2 | Page 3 | Page 4 | Page 5 | Page 6 | Page 7

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