HDF3 & HDF4 – Metallic AODD Pump (Heavy Duty)

Sandpiper’s AODD Pumps, HDF3 and HDF4, are a heavy-duty flap valve pump that has proven to be a solution to the most common challenges in sump applications, mine dewatering and any liquid application involving solids. These pumps are the most recommended pumps for abrasive slurries, suspended and non-suspended solids and up to 3″/4″ line-size solids. These pumps are part of 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.