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Pneumatic Screw Pump

May 24, 2010
The pneumatic screw pump is a heavy-duty dry materials injection pump designed to feed dry pulverized material into a pneumatic conveying line. It can handle highly abrasive, friable, or very fine powders that wear out other dilute-phase feeders. Unlike rotary airlocks that require tight clearances to seal against conveying air, this pump uses the material to form the seal. An integrated gate prevents blowback and the pump can handle temperatures up to 450°F. Other benefits include increased conveying rates with less air, no blowback, even when running empty, increased wear resistance to abrasive materials, low profile, longer bearing life with fewer system shutdowns, and overall reduced operating and maintenance costs.
Wm. W. Meyer & Sons Inc., Libertyville, IL 800-963-4458 www.wmwmeyer.com