Warren Rupp has introduced its new aluminium 2” Sandpiper® air-operated double diaphragm heavy duty ball valve pump. Suitable for viscous and small solids-laden fluids, these pumps provide suction lift capability and have the Warren Rupp exclusive variable discharge porting options (top and bottom). The 2” HDB pumps are now available with thick wall construction of aluminium, with TPE (thermal plastic elastomers) and PTFE options in diaphragms and check valves. All HDB pumps are enhanced with an extended wear package. These pumps are suited for the paints, inks, and coatings processing markets.