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Powder/Bulk Solids

The Source for Dry Processing and Bulk Handling Technology

Valves, Gates, & Airlocks

  • Diverter Valves for Conveying Systems

    May 25, 2016

    Lorenz manufactures diverter valves for vacuum and dilute phase conveying systems. Two-way, 3-way, and 4-way diverters are available in sizes from 2 to 8 in., in a variety of configurations. A lightweight aluminum-sealed housing and polished stainless steel blade provide durability and corrosion...

  • Spherical Valve Has Outlet Flange Common to Valve Size

    May 18, 2016

    Roto-Disc Inc. now offers a spherical valve for applications where the valve outlet has to mate to a downstream flange that matches the valve’s inlet orifice. When provided with an optional inlet flange adaptor, the Roto-Disc II can mate to common ANSI 150# flanges on both the inlet and...

  • Peterson Recognized by KSU

    May 6, 2016

    Kevin Peterson, business development director for Vortex’s Titan line, received the Outstanding Service Award from Kansas State University’s Department of Grain Science and Industry. “We are very proud to have Kevin recognized for Vortex’s involvement with KSU’s...

  • Industrial Valves

    April 29, 2016

    MEI Valvole Industriali S.r.l. is a certified manufacturer of industrial valves. Its white line includes cGMP butterfly valves for the pharmaceutical and cosmetic industries. The green line includes butterfly valves and sight glasses for the food and chemical industries. The black line includes...

  • Air Leakage and the Efficient Use of Rotary Valves

    April 26, 2016

    In many pneumatic conveying systems, a rotary valve or rotary airlock is used to feed the dry bulk material from one system to another. The other function of a rotary airlock is to help prevent the transfer of air from the system below the valve into the system above or vice versa. This cannot...

  • Insourcing for Small Manufacturers

    April 20, 2016

    The White House and many of today’s industrial and manufacturing leaders are big proponents of insourcing, which is often understood as bringing jobs once outsourced to overseas companies, back home. Insourcing also means bringing in specialists to fill temporary needs or training existing...

  • Low-Leakage, Heavy-Duty Rotary Valves/Airlocks

    April 13, 2016

    Saving energy was the underlying factor for the development of a low-leakage rotary valve for pneumatic conveying of granular products. The newly-developed rotor is designed with expanded tips at the end of the rotor blades. Wider vanes result in lower air leakage. In combination with the special...

  • Increasing Rotary Valve Life by Decreasing Wear

    April 12, 2016

    Rotary valves operate in the bulk solids material handling industry as airlocks and feeders simultaneously for facilitating continuous feeding into a differential pressure environment. They accomplish this by using rotating pockets inside a cast housing. In order to rotate freely, the rotor cannot...

  • Hygienic Rotary Valve for Sanitary Applications

    April 7, 2016

    The new Coperion ZZB hygienic compact stainless steel rotary valve is especially developed for small capacities and high sanitary needs. It is therefore suitable for operations in the food, pharmaceutical, and chemical industries. The interior and exterior polished surfaces prevent undesired...

  • New Airlock Designed for Sanitary Processes

    March 24, 2016

    The new CMD airlock is ideal for applications where dry raw or finished products are being handled in the process and where inspection or system clean-out are required. Because the CMD is designed for high process rates and possesses a number of features suited for sanitary processes, the airlock...