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This guide walks process engineers and facility designers through the complete dust collection system design process in five steps. It starts with material characterization — particle size, combustibility, moisture content — before any ductwork is sized, then moves into CFM calculation using the hood area × capture velocity formula with a worked metalworking example. Section 3 covers ductwork engineering and branch balancing, while Section 4 addresses collector selection, filter media matching, and when to move from portable units to a centralized system. The final section focuses on commissioning verification: three baseline measurements to take at startup and a differential pressure threshold framework to catch performance drift before it becomes a maintenance problem. The article positions Delfin as the only vendor capable of specifying and supplying the full system scope — from portable dust collectors through centralized vacuum systems and pneumatic conveying.