Sandpiper’s Heavy-Duty AODD Pump, the HDF3 & HDF4, are a heavy-duty flap valve pump that has been proven to be a solution for the most common challenges in sump applications, mine dewatering and any liquid application involving solids. These AODD Pumps are the highest recommendation pumps for abrasive slurries, suspended and non-suspended solids and up to ¾” line-size solids. As part of the Sandpiper’s Evolution Portfolio improvement it has experienced an optimization towards the capabilities of the pump. The pumps are thick-wall constructed of sand-casted aluminum, cast iron and stainless steel with elastomer and TPE (thermoplastic elastomer) diaphragms and check valves.
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