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Buyer Beware: How To Recognize Pirated AODD-Pump Parts

By John Wallace, Sales Director US & Canada, Diaphragm Group | PSG®


When Jim Wilden invented, in 1955, the air-operated double-diaphragm (AODD) pumping principle, it’s no exaggeration to say that he also created the diaphragm- pump industry. As the creator of AODD-pump technology, Wilden and his eponymous brand established a standard for highly engineered machines that still exists nearly 65 years later. This is a standard that competitors – whether legitimate or not – have attempted to emulate with varying degrees of success. 


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