General CFM Requirements for Woodworking Machines
General CFM Requirements for Woodworking Machines Machine Oneida Recommended CFM ACGIH Recommended CFM Duct Branch Diameter Appropriate Hood Port Size Band Saws 350 + 350 = 700 1014" 300500 4"5" 1420" 400700 56" Diameter Preferred Large – up to 2" blade 700+ 6" branch, 2x 4" ports Belt Sanders 6" wide 450800 440 + 350 = 790 56" May require 2x ports, (top .
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