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32 / April 2021 powderbulk.com For further reading Find more information on this topic in articles listed under "Mechanical conveying" in the article archive on PBE's website, www.powderbulk.com. Karl Seidel (karl.seidel@cablevey.com, 641-673-8451) is the marketing director of Cablevey Conveyors, where he leads a small team of professionals that market the com- pany's services worldwide. He's been with the company since 2005. Cablevey Oskaloosa, IA 800-247-3344 www.cablevey.com to not hinder staff movement or maintenance access, which isn't always the case with air-powered convey- ing systems. Interchangeable components also allow the tubular systems to be expanded or recon gured, changing line lengths, conveying paths, or the number of inlets and outlets. These modi cations can be more complex and time-consuming with pneumatic convey- ing systems, which tend to have more components and electrical connections. In terms of energy use, since pneumatic systems convey materials at high velocities, this typically requires larger motors that run fans, blowers, and rotary valves. In a dense-phase system, a pressure tank requiring compressed air also consumes additional power. Aeromechanical systems, running at high speeds, generate considerable motor and disc noise as well. Tubular cable conveyor systems use smaller motors, so these systems are quieter overall, with some units using about one-tenth the electricity required for certain pneumatic systems. INDUSTRY LEADING PERFORMANCE | EASY OPERATION WITH INTUITIVE CONTROLS | ENHANCED OPERATOR SAFETY Learn what we have done to lower our manufacturing costs, deliver the standards of excellence you expect, and pass the savings to you – all without sacrificing the quality you count on. 269.673.2125 | MaterialTransfer.com The Highest Standards. Now at Lower Cost. EXPERIENCE THE NEW POWERFILL ® BULK BAG FILLERS & MATERIAL MASTER ® BULK BAG CONDITIONER. Material Master ® Bulk Bag Conditioner PowerFill ® Bulk Bag Fillers