Hidrostal screw impeller pumps are engineered for superior performance in handling raw sewage, viscous sludge, and abrasive solids. Their unique screw-shaped impeller design ensures clog-free operation, making them ideal for challenging wastewater applications.

Why Choose Hidrostal Screw Impeller Pumps?

The innovative design of Hidrostal pumps sets them apart from traditional pump systems. With a robust construction and advanced features, these pumps deliver reliability and efficiency for municipal and industrial applications.

• High Efficiency: The screw/centrifugal impeller minimizes turbulence for smooth, energy-efficient flow.
• Clog-Free Performance: The screw impeller handles rags, wipes, and large solids without clogging.
• Low NPSH Requirement: Maintains performance with thick sludges and limited suction head.
• Steep Performance Curve: Ensures predictable flow, even with grit-heavy sludge.
• Positive Displacement Action: Effectively pumps dense sludge and abrasive materials.
• Hardened Impeller: High Brinell hardness extends lifespan with excellent abrasion resistance.
• Anti-Vane Design: Prevents clogging at the impeller’s eye for uninterrupted operation.
• Adjustable Suction Liner: Externally adjustable to maintain efficiency and prevent clogs.

Versatile Configurations for Every Application

Hidrostal pumps are available in multiple configurations to suit diverse needs:

• Submersible pumps
• Dry pit submersible pumps
• Horizontal dry pit pumps
• Axial flow pumps
• Vertical turbine pumps

Whether you’re managing primary sludge, return activated sludge (RAS), waste-activated sludge (WAS), or thickened sludge, Hidrostal has a pump tailored for your application.

Genuine Hidrostal Parts for Optimal Performance

Using genuine Hidrostal parts ensures long-lasting performance and compatibility. Non-genuine parts risk reduced efficiency, component damage, and shorter pump life. Envirep/TLC, an authorized Hidrostal distributor, supplies authentic parts in Pennsylvania, Maryland, New Jersey, Delaware, and Washington, D.C.

About Hidrostal and Envirep

Hidrostal is a global leader in high-quality pump design, previously distributed in North America as WEMCO pumps until 2015. Today, Hidrostal LLC handles sales and support across the U.S. Envirep/TLC partners with Hidrostal to deliver reliable pumps and parts, offering expert guidance to ensure cost-effective, low-maintenance solutions.

Click here to learn more about Hidrostal.

Click here to view the Hidrostal Screw Impeller Pump flyer.

Contact Envirep

Need help selecting the right Hidrostal pump for your wastewater application? Envirep serves the municipal and industrial markets in Pennsylvania, New Jersey, Maryland, Delaware, Washington, D.C., Virginia, and West Virginia.

By Michael Gillespie, President at Envirep