New 4-inch submersible borehole pumps made of stainless steel

In early April 2017 the Frankenthal-based KSB Aktiengesellschaft launched a new type series of submersible borehole pumps. The UPAchrom 100 series is designed for water supply and irrigation applications as well for use in small systems for drawdown of groundwater levels. It covers discharge heads of up to 550 metres and flow rates of up to 21,500 litres per hour. 

The efficiencies of the hydraulic systems satisfy the demanding requirements of the applicable ErP regulations; all MEI values are above 0.40. Certified for drinking water to French (ACS) and US (NSF) standards, the pump can safely be used for drinking water applications. 

All pump components are made of stainless steel. The pump sets are of a very robust design and capable of handling water with a solids content of 50 grammes per cubic metre. An integrated, hydraulically optimised check valve prevents the discharge line from emptying when the pump set is stopped. This reduces any damage that could be caused by reverse rotation of the pump. 

The pumps are driven by water-filled canned motors with a rating of up to 7.5 kW or by rewindable submersible motors with ratings of up to 18.5 kW for very high heads. All pump sets are completely maintenance-free with self-adjusting thrust bearings and pressure balancing diaphragms. Generously dimensioned intermediate bearings at each pump stage prevent potential shaft misalignment. Their special design provides optimum lubrication of the bearing faces and the option of installing the pump at an angle or in a horizontal position.

 

MyFlow Drive The new UPAchrom 100 submersible borehole pump series  © KSB Aktiengesellschaft, Frankenthal


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