Main Components of the Hidrostal PreroClean System

Quality and innovation, combined with our passion to continually improve and develop our products are our guarantees for providing our customers with the best solution for their applications. Because we bring together engineering, production, assembly and testing under one roof, we are able to manufacture products of the highest quality and to the highest technical standards.

Hidrostal Screw Centrifugal Pump

The core component of the Hidrostal PreroClean System is the proven blockage-free Hidrostal screw centrifugal pump. The large channel from the pump entrance to the discharge port enables highly efficient blockage-free operation, which is resistant to large solids as well as long fibrous materials. The screw centrifugal pump is shaped like a paddle wheel impeller, which is extended in the axial direction to form a large, free cross section with a soft transition from the axial to the radial flow direction. The resulting sickle-shaped geometry of the scoop at the entrance is an important construction feature, making it an ideal choice for pumping wastewater.

Product Highlights

• Large, free cross section, which enables large solids to be pumped
• Steep and stable characteristic curve, which limits the flow under low discharge pressure
• Shutoff head typically twice the head at BEP, giving a large pressure reserve
• High efficiency reduces energy consumption and operating costs
• Non overloading power curves allow the use of small motors
• Low NPSHR characteristics