<< Return to Previous Page Scrap Handling Barrel/Drum Exhaust Hood ![]() Text Version Scrap Handling Barrel/Drum Exhaust Hood Top view of hood and drum; Side view of barrel, with hood sitting on top of drum, with hinged lid open showing flow of air to exhaust duct. Design Criteria: Q @ 400 cfm Vduct @ 4,200 - 4,500 fpm Dduct = 4" (flex) up to 4' long he = 1.4 VPduct Construct of 10-12 gauge steel; reinforce |