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Rotary Airlocks - Rotary Valves - Rotary Feeders |
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| Products for the type of application you selected have been listed. Select a product to view more specific information about that product. |
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Rotary Airlocks can be configured for most application requirements. By manufacturing custom built rotary airlocks with larger pockets (up to 50% more volume), our airlocks can run at lower speeds. This minimizes air leakage, provides the benefit of longer life, and higher return on investment. Knowing that temperature plays a significant role in the operation of rotary airlock feeder, ALL Prater airlocks are carefully machined for actual operating temperature at no additional cost.
If you are interested in finding out what airlock valve is right for your specific application or plan on requesting a quote, you may contact our airlock department directly at 1-877-AIRLOCK.
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An economical, competitively priced valve thats suited for
general use under dust collectors, cyclones, and hoppers.
With standard features most competitors call heavy-duty, all
DCS airlocks boast 8 blade rotors, precision machining, and
rugged cast iron housings for efficient operation. More Info 
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Up to 300° F
Tight Clearances
Maintenance-free direct drive
Light-duty for dry, free-flowing
non-abrasive dust collection
Up to +/- 3 PSI pressure differential
Cast iron construction
Will custom match bolt drill patterns |
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The C/S is an ideal choice for handling many dry, free-flowing powders where a pressure differential exists, such as when feeding pneumatic conveying lines. Optional coatings and materials of construction are available for handling abrasive or corrosive materials. High temp kits for up to 1000° F service. More Info
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Up to 1000° F
Tight clearances
Up to +/- 12 PSI pressure differential
Self-adjusting packing
Cast iron or stainless steel construction
Will custom match bolt drill patterns
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Our most durable valve, the ceramic series is most often chosen to handle highly abrasive products, such as alumina, coke, fly ash, and glass frit, achieving at least three (3) to five(5) times longer life compared to chrome and Ni-hard valves. A high-performance, thick wear layer of alumina ceramic coating maintains the valves precision tolerances longer. More Info
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Preferred for highly abrasive or corrosive products
Tight clearances
Up to 300° F
Up to +/- 12 PSI pressure differential
Will custom match bolt drill patterns
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Made for applications where frequent removal of the valve internals is required. The QTA permits tool-less removal of the rotor and end plate as one piece, eliminating the time-consuming step of gapping the rotor during re-assembly. There are no guide rails that require additional maintenance. More Info
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Up to +/- 12 PSI pressure differential
Tool-less removal of rotor
Tight clearances
Easy cleaning, low-maintenance
Minimal downtime
Will custom match bolt drill patterns
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