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Powder/Bulk Solids

The Source for Dry Processing and Bulk Handling Technology

Valves, Gates, & Airlocks

  • USDA Rotary Airlock to Debut at the Powder Show

    April 20, 2018

    In February 2018, Rotolok acquired approval and certification from the USDA to supply rotary airlocks for use in the dairy, food, and chemical industries in the U.S. The USDA Dairy-accepted line of rotary airlocks is designed for use in sanitary applications in the food, dairy, pharmaceutical...

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  • Gemco Valve Receives ISO 9001:2015 Certification

    April 10, 2018

    Gemco Valve recently announced the company’s certification to conform with the ISO 9001:2015 quality management system standard for the design and manufacture of industrial valves. A few years ago, the International Organization for Standardization (ISO), an independent, non-governmental...

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  • Rotary Airlock Valve Principals and Rotor Design

    April 3, 2018

    Rotary airlock valves are a critical component in many material handling systems. From dust collectors to pneumatic conveying systems, rotary airlocks not only control the feed rate but also minimize air leakage between equipment above and below the valve with differing levels of pressure or vacuum...

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  • How to Properly Select Slide Gates

    March 29, 2018

    At the most basic level, a gate is an object which permits passage into or through an enclosure. Gates as they apply to pneumatic conveying/material handling are no different. At the most basic level, gates open and close a path of material flow. The most effective means of accomplishing this task...

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  • New Technology on Display at 2018 Powder Show

    March 15, 2018

    The International Powder & Bulk Solids Conference & Exhibition (the Powder Show) is the leading event in the Western Hemisphere for professionals in powder and bulk solids technology. April 24-26, 2018 at the Donald E. Stephens Convention Center in Rosemont, IL, the Powder Show will once...

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  • Coperion to Debut U.S.-Made Rotary Valve at Powder Show

    March 13, 2018

    Combining German designs with American production, Coperion K-Tron recently began manufacturing its Coperion ZRD rotary valves at its Salina, KS facility, resulting in shorter delivery times for bulk solids industry customers in the U.S. Coperion and Coperion K-Tron will appear this April 24-26,...

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  • Gericke RotaVal

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  • U.S.-Manufactured Rotary Valve Will Reduce Delivery Times

    February 15, 2018

    To shorten delivery times for customers of the Americas market, Coperion K-Tron, located in Salina, KS, is starting the U.S. production of Coperion Germany rotary valves type ZRD in Salina. The Coperion brand rotary valves are being added to the full line of Aerolock rotary valves that Coperion K-...

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  • Vortex Global Earns ISO 9001:2015 Certification

    January 17, 2018

    As of December 2017, Vortex Global Limited has been certified to the ISO 9001:2015 standard. Vortex Global’s parent company, Salina Vortex Corporation, made a recent announcement that it too had obtained ISO 9001:2015 certification. Previously, Vortex Global was certified under the ISO 9001:...

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  • Newly Designed Plug Single Tunnel Diverter Valve

    December 12, 2017

    The Schenck Process PST30 diverter valve offers new features such as internally shim-able positive stops, inflatable pneumatic seals at each port, position indication from the tunnel itself, and external tunnel position indication. Additional features include 145° port-to-port rotation, a two-...

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