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Double-diaphragm pumps operated by compressed air. Designed for abrasive fluids, featuring flapper valves that allow solids up to 75 mm to pass. Constructed from cast iron, aluminum, stainless steel, or polypropylene, with diaphragms and valves in various elastomeric materials. Options for metal flappers for more demanding services. ESADS+ system is lubrication-free, enabling air valve access without dismantling piping. Bottom discharge enhances the flow of solids.
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