Barnes White Iron Impellers prevent wear and clogging in Salem Lakes, WI

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MUNICIPALITY OVERVIEW:

The Village of Salem Lakes, located in southeast Wisconsin, is a small rural community with a population of about 12,000 people. It’s municipality manages 25 pump stations. Of these 25, pump station 18 is the second largest station and is a triplex station with 30HP submersible non clog pumps.

LIFT STATION DETAILS:

The ductile iron vortex impellers of the pumps in station 18 were wearing out frequently due to abrasive particles in sewage. The worn-out impellers were catching rags and stringy solids in the sewage, which increased costs of deragging and pump cleaning. Due to the station’s inherent design, pump cleaning required confined space entry into the station rather than removal of the pump. Since the ductile iron impellers were lasting only a few months, they had to be replaced often requiring frequent confined space entries. Repeated impeller replacements cost servicing time and necessitated the municipality to keep inventory of spare impellers. In addition to replacement and servicing costs, worn-out impellers were also negatively impacting flow rate and pump efficiency.

INSTALLATION:

Crane Pumps & Systems and Energenecs Inc., a municipal distributor of Crane Pumps & Systems, recommended the Village of Salem Lakes to replace the existing ductile iron vortex impellers with the Barnes White Iron (25% High Chrome) impellers. Salem Lakes installed a Barnes White Iron impeller in one of the pumps in the station. After 6 months of continuous operation in the abrasive environment, the Barnes White Iron impeller has experienced no wear and continues to provide superior non-clogging and efficient performance. The pump does not require cleaning which eliminated the need for confined space entries. The Village of Salem Lakes is highly impressed with Barnes White Iron impeller solution and is planning to replace ductile iron impellers with Barnes White Iron impellers in the other two pumps in the station and in other stations handling abrasive solids.

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