HDF, heavy duty flap valve

The SANDPIPER HDF2 METALLIC 2" Heavy-Duty Flap Valve Pump  is a robust designed to handle demanding conditions, particularly in sump, dewatering, and mining applications.

The SANDPIPER HDF1 AND HDF25 METALLIC 1" (25 MM)  combine a small footprint with exceptional durability, designed specifically to handle abrasive slurries, solids-laden fluids, and harsh environments.

The SANDPIPER HD20F NON-METALLIC 2" (50 MM) is designed specifically for demanding applications like mine dewatering, sump, and chemical transfer. This lightweight yet durable pump provides maximum performance while remaining portable and easy to maintain.