Warren Rupp”saluminum two-inch Sandpiper air-operated, double-diaphragm heavy-dutyball valve pumps are a good fit for viscous and small solids-ladenfluids. The pumps provide superior suction lift capability andexclusive variable-discharge porting options (top and bottom). Thetwo-inch pumps are now available with thick wall construction ofAluminum, with elastomer, TPE (thermal plastic elastomers), and PTFEoptions in diaphragms and check valves. All pumps are enhanced with anextended-wear package. The pumps are ideally suited for the paints,inks, and coatings processing markets.