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Powder/Bulk Solids

The Source for Dry Processing and Bulk Handling Technology

Valves, Gates, & Airlocks

  • Blow-Through Feeder/Airlock

    February 21, 2012

    The BT Series Blow-Through feeder/airlock is designed to ensure optimal bulk density and throughput of hard-to-convey materials such as fine powders and flakes that, in high-pressure pneumatic conveying applications, can easily over-aerate and reduce material feed efficiency. The BT Series feeder/...

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  • Posi-flate to Introduce New Vibra-Gate Valve at Powder Show

    Posi-flate will be introducing its new Vibra-Gate valve at the upcoming Powder Show in Rosemont, IL. The Vibra-Gate valve is ideal for discharging almost any granular material from a bin or hopper where the materials are difficult to discharge. The Vibra-Gate valve easily handles sticky, cohesive,...

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  • DDV Dust Duty Valve

    The DDV dust duty valve comes with a robust cast housing designed for greater capacity. The split packing ring design allows the user easy maintenance with no valve disassembly. A direct connected drive with an oversized gearbox eliminates the need of chain maintenance. Units can be specifically...

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  • Series 585/586 Heavy-Duty Butterfly Valves

    The Series 585/586 inflatable seated butterfly valves are designed for the most the most severe of applications. The new heavy-duty seat has been designed for higher operating pressures and temperatures. Standard valve sizes range from 2 to 24 in. and fit both ANSI and metric flanges. The valves...

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  • USDA Dairy-Accepted Airlocks and Diverters

    This range of USDA Dairy-accepted airlocks and diverters feature all product contact parts in 316 stainless steel and 150 grit polish. The sanitary rotary airlocks are available in drop through or blow through versions and are fitted with an easy detachable rotor. The airlocks are optionally...

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  • Cast Iron Rotary Airlock Valves

    This new line of cast iron rotary airlock valves features the RotorRail that enables tool-less access to the rotor and all internal surfaces of the housing without time-consuming disassembly of the rotor, or the removal from service of upstream or downstream equipment commonly associated with...

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  • Ceramic and Quick-Take-Apart Airlocks

    When encountering alumina, coke, fly ash, glass frit, and other highly abrasive products, the ceramic series rotary valve sustains its durability and achieves at least 3-5 times longer life compared to most other valves. A high-performance, thick wear layer of alumina ceramic coating maintains the...

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  • Roller Gates

    These versatile roller gates handle dry bulk material in gravity flow applications where positive material shut off and dust-tight sealing are required. Roller gates are ideal for many dry material applications such as mixing and blending. They can be applied to shut off or meter the flow of fine...

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  • Flush-Mount Valve

    In addition to standard features of full port opening to prevent bridging, a self-cleaning seal area to promote longer life, and no pinch points which eliminates jamming, the flush mount valve is designed to eliminate the dead space around the valve outlet in precision mixers, where despite the...

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  • Rotary Airlock Valves

    Three types of heavy-duty rotary airlocks are available: Drop Thru, Blow Thru, and Side Entry. All units 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...

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