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Powder/Bulk Solids

The Source for Dry Processing and Bulk Handling Technology

Valves, Gates, & Airlocks

  • Rotary Airlock Valve Increases Efficiency, Reduces Costs

    May 26, 2009

    Side front view of PAV-12 showing customer-applied accessories Specialty Minerals operates a small facility in Wisconsin Rapids, WI. The plant processes 100 tn/day of minus...

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  • Choosing a Solids Processing Spherical Disk Valve

    May 26, 2009

    By Jim Lenihan Solids and slurries have completely different flow characteristics than liquids and gases, so it pays to take a little extra time when choosing a valve for powder applications. This article will review the design principles of the spherical disk valve...

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  • Rotary Valve

    May 5, 2009

    The UltraValve complements the tough severe-duty PMV rotary valve line. It uses a unique case-hardening process that increases abrasion- and corrosion-resistance while exhibiting high fatigue strength. Like other PMV rotary valves, this valve can be quickly rebuilt from off-the-shelf parts. It has...

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  • Vortex Valves Europe Moves to Larger Facility

    April 16, 2009

    A recent move to larger headquarters has followed another year of growth for Vortex Valves Europe. The dry bulk solids handling company retains its UK presence in Darlington but now operates from a new facility with twice the capacity.   Since launching its European hub in 2006, U.S.-based...

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  • Slide Diverter Valve

    March 31, 2009

    The three-position SDV features a sealing method that uses regulated compressed air applied to the sealing rings, which results in an air-tight seal between the inlet and outlet ports. Features include: minimal line deflection and full port flow for low pressure drop; pipe or tube sizes from 2...

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  • Rotary Airlock Valves

    February 25, 2009

    Drop Thru, Blow Thru, and Side Entry heavy-duty rotary airlocks come standard with regreasable bearings, helical gearboxes, predrilled body vents, and predrilled air purge connections. These valves are rated up to 20 psi pressure differentials and are available for temperatures in excess of 1000...

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  • Rotary Airlock

    February 3, 2009

    The heavy-duty drop-thru rotary airlock is suitable for use on both gravity and pneumatic conveying applications up to 20 psi. The airlocks are available with both round and square flanges and are of heavy-duty design with outboard bearings and gland type shaft seals. Numerous rotor options are...

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  • Valves, Gates, and Airlocks Spotlight - February 09

    February 3, 2009

    Iris Diaphragm Valve Available with either a pneumatic or electricmotor, the Mucon ADP series iris diaphragm valve is fitted with open, closed, and trickle feed switches. The quick and quiet operation is capable of opening and closing in less than 1 second. It is sealed to be dust-tight and hose-...

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  • Rotary Airlock Valve

    January 6, 2009

    The CI series rotary airlock valve is available in 10 sizes. Features include: heavy-duty rugged construction; precision machining of components; unique shaft seal design; pressure differentials up to 15 psig; square flanges; high-temperature options up to 750ºF; available in cast iron, 304 SS...

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  • Gemco Valve Launches a Rebuild/Recycle Program

    December 15, 2008

    Gemco Valve Co., Middlesex, New Jersey, offers a program to rebuild or recycle used valves. Companies send their valves to Gemco for evaluation. Following an inspection, options are discussed with the customer. Typical options include: replacing soft parts (gaskets, O-rings, seats, etc.); replacing...

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