Hidrostal Pumps

Hidrostal Pumps

Envirep represents Hidrostal, a manufacturer of high-quality, low-maintenance, energy efficient pumps. Hidrostal produces a wide array of pumps for municipal wastewater pumping applications.

Hidrostal pumps feature the unique Hidrostal Screw Centrifugal Impeller. The impeller has excellent solids handling capability which makes the pump particularly suitable for handling raw unscreened sewage with rags, wipes and other fibrous material.

The screw impeller is the perfect design for solids handling applications and gives the pump such as:

  • Extremely steep and stable Q-H curve
  • High efficiencies
  • Excellent solids passing capabilities
  • Non-overloading power curve
  • Low NPSH requirements.

Due to the increased requirements for clog free operation, Hidrostal now offers the optimum solution for both large and fibrous solids, as well as thick sludges. The new Free Flow-Technology added to the screw centrifugal impeller provides an innovative solution for smooth clog free operation.

For more than 30 years, Hidrostal have been building an enviable reputation for original thinking and innovative pump technology. This experience is built into the company’s range of high quality pumps that is extremely adaptable, they serve numerous applications in a wide range of industries being particularly suitable for solid handling, viscous pumping, delicate handling and low shear pumping.

The impeller has a single spiral vane having large open passages and an extended turn from the axial to the radial direction.

The Hidrostal is not a traditional non-clog pump, but actually a hybrid that utilizes the best features of a positive displacement type screw pump – crossed with a single vane centrifugal pump. This combination provides an unmatched performance of effectiveness & efficiency.

The Hidrostal is positioned to handle today’s challenging wastewater demands. The superior hydraulic design is back by a company that is committed to improvement and technology.

Hidrostal offers pumps in multiple installation types. Installation types include submersible guide rail mounted, submersible dry pit pumps, horizontal in-line close coupled, horizontal v-belt driven, and space saving over-under arrangement. Vertical installations are available with pedestal or pier mounted pumps and motor arrangements by direct mount or remote-drive shaft units.

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