Wilden Unitec(TM) Air-Operated Double-Diaphragm Pumps for High-Purity Chemical Transfer Applications

Grand Terrace, CA - April 21, 2009 - Wilden, the worldwide leader in air-operated double-diaphragm pump technology and an operating company within Dover Corporation's Pump Solutions Group (PSG(TM)), announced today that its Unitec(TM) air-operated double-diaphragm (AODD) pumps are well suited for use in transfer and process applications that involve high-purity chemicals.

In addition to general chemical transfer applications, the Unitec(TM) AODDs can help streamline chemical process operations due to their flexibility with handling high or low viscosity liquids, drum pumping applications, shear sensitive emulsions, hazardous and toxic solutions, chemical batching and dosing, and ability to handle hot or cold temperatures. Unitec(TM) pumps are perfect for these operations due to their machined sealing surfaces that result in superior product containment. Other product features include the use of conductive plastic where specified, variable flows and pressures, the ability to run dry, and no need for diaphragm piston plates. These features create a long list of benefits, including reliable transfer of corrosive chemicals, simplicity of operation and maintenance, and long service life.

By adding new materials to Wilden's already extensive line of products, the Teflon® PTFE and polyethylene pumps in the UNITEC(TM) series extend the application limits where an AODD pump can be used. The conductive plastic pumps in the UNITEC(TM) series are designed to safely discharge static electricity when hazardous static build-up is present in a chemical process system. The pump's ability to safely discharge this static electricity also meets the ATEX 100 directive standards for Europe.

For more information on Unitec(TM) AODD pumps, or any other Wilden pumping products, please contact Krystal Jaekel at (909) 422-1700 or krystal.jaekel@pumpsg.com.

Jim Wilden, founder of Wilden Pump and Engineering Co., revolutionized the pumping industry when he invented the air-operated double-diaphragm pump in 1955. Since then, Wilden has created a line of distinctive pumps that have proven to be trustworthy solutions to pumping applications in a wide variety of industries. Wilden-headquartered in Grand Terrace, California, USA-is a member of Dover Corporation's Pump Solutions Group (PSG(TM)).


Krystal Jaekel,

PSG Marketing Communications Supervisor


or (909) 422-1700

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