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May 2020 / 19 PBE SPECIAL SECTION Rotary Airlocks This product summary is designed to help you find useful information on a variety of rotary airlocks. The information reported here is furnished by the manufacturers; no product endorsement is intended. Rotary Airlock Feeder V-series rotary airlock feeder handles dry, fine powder or granular mate- rial efficiently in vacuum or pressure pneumatic conveying systems and dilute-phase and dense-phase pneumatic conveying systems. Feeder can be used for applications where a pressure tank system was previously the only choice, saving costs. Feeder's large diameter flow channel and high volumetric efficiency can achieve efficient linear operation at up to 30 rpm. Feeder's features include effective shaft sealing design, flexibility for different system configurations and materials, variable-speed drive for adjustable capacity, and an abrasion-resistant design to withstand harsh materials. Feeder is NFPA and ATEX rated. FLSmidth, Bethlehem, PA 610-264-6011 www.flsmidth.com Rotary Airlock Valve Break Away Valve (BAV) series rotary airlock valve handles dry, free-flow- ing materials requiring frequent cleaning and material changeover. Valve minimizes downtime with simple cleaning, inspection, and main- tenance for users in the food, chemical, and pigments industries while providing reliability. Valve has easy-to-clean surfaces and is fabricated from FDA-compliant construction materials. Valve features split packing gland for easy packing seal changeovers and outboard-mounted, mainte- nance-free heavy bearings. Valve is available with a standard eight-blade rotor and in 6-, 8-, and 12-inch sizes. Prater Industries, Bolingbrook, IL 877-247-5625 www.praterindustries.com Rotary Airlock Valve Rotary airlock valve maintains an airtight seal with a cyclonic dust collec- tor while automatically feeding dust and debris into hoppers or transfer blowers, resulting in significantly reduced labor costs for commercial wood shops. Valve has a helical drive and high-efficiency gear motor that controls material discharge from a dust collector via a steel and rubber rotor. Valve operates at a slower rotational speed (13 rpm) than comparable valves for reduced energy usage, quieter operation, and less wear and tear on the motor and airlock seals. Oneida Air Systems, Syracuse, NY 800-732-4065 www.oneida-air.com