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Pumps Pumping Hazardous Solvents

Editor: Dr. Jörg Kempf

When the going gets tough, the tough get going: Wilden's air-operated double-diaphragm pump (AODD) pumps of the ATEX-rated Advanced Series safely contain and transfer even the most hazardous solvents, including trichlorethane, trichloroethylene, methylene chloride, methyl chloride, carbon tetrachloride and chloroform.

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Wilden’s drop-in design allows the pump to be installed into an existing pump footprint without the need to disturb the piping, resulting in reduced maintenance costs and system downtime.
Wilden’s drop-in design allows the pump to be installed into an existing pump footprint without the need to disturb the piping, resulting in reduced maintenance costs and system downtime.
(Picture: Wilden)

These stainless steel AODD pumps provide a safe containment of the medium as the pumps do not have a mechanical seal or packing that can fail and lead to costly leakage. The pumps also feature a bolted design and single-piece integral piston diaphragm, which eliminates a potential leak point.

A variety of elastomer options, including PTFE, are available to meet abrasion, temperature and chemical compatibility concerns. Teh Advanced Series also offer unique Full Stroke PTFE Diaphragms that provide increased product displacement per stroke, resulting in greater flow rates and higher efficiencies compared to other AODD technologies.

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