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Prater

Bolingbrook, IL • 630-759-9595 • FAX: 630-759-6099
info@praterindustries.comwww.praterindustries.com

Airlocks

Quick-Take-Apart (QTA) Series Rotary Airlock

    • Designed specifically for applications where quick cleaning or frequent removal of the rotary valve internals is necessary.
    • Permits safe, tool-less removal of the rotor and end plate as one single piece.
    • Eliminates the often time-consuming step of ‘gapping’ the rotor during reassembly for quick and easy operation.
    • No guide rails that require extra maintenance.
    • Available of square sizes of 6, 8, 10, or 12 inches.
    • Cast iron or stainless steel construction.
    • Direct drive gear-motors available in 9, 15, or 23 rpm.


Hammermills

Full Screen Hammermill Features

    • Full-width top feed utilizes 100% of the usable screen area.
    • Wider rotors accommodate a variety of hammer arrangements.
    • Dynamically balanced, top feed, reversible rotors.
    • Ease of change for wearable parts.
    • 15-250 hp available.
    • Stainless steel construction (304 & 316 SS) available.
    • Uniform granular grind and even hammer wear.
    • 24 hr/day operation rated.
    • Hammer tip speeds from 14,000 to 21,000 ft./min.
    • Easy screen changes and full-access maintenance.
    • Increased throughput capacity without increased power requirements.


Roller Mills

Fine Grinders

    • Designed to grind dry, free-flowing material as fine as 200 mesh with very tight distribution of particle size by utilizing a high-speed impact principle.
    • Feed material is metered into the center of the mill, where it is impacted by the rotor, blades, screens, and jaws.
    • Larger screen area to horsepower ratio.
    • Outboard bearing design and dual o-ring seals on the large access door and ensures a more dust-controlled grinding environment.
    • Quick and easy removal of the reversible rotor is possible with the removal of one bolt, allowing rotor blades to be efficiently replaced without any further balancing of the rotor.


Screeners

Centrifugal Sifter

    • Scalps product from 1/4 inch – 325 mesh.
    • Ultra high throughput per square foot of cloth area.
    • Three-bearing shaft support, drilled for air purge.
    • Fully adjustable multi-paddle rotors.
    • Removable tool less light-weight rotor assembly.
    • Approved for use by USDA, FDA, BISSC, 3and other U.S. and European regulators.
    • Totally enclosed Rota-Sieve® eliminates dust problems.
    • Self-cleaning.
    • Smooth and quiet operation.
    • Tool-less screen change.
    • Easy access to all internal working parts.


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