The distinctive design of the impeller, featuring a spacious channel and screw shape, equips Hidrostal pumps with the capability to efficiently handle raw sewage containing rags, wipes, solids, and debris. These pumps excel in transporting highly viscous sludge and gritty substances, a task that proves challenging for most other pump systems.

Hidrostal pumps are available in a variety of configurations, such as:

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

The Hidrostal screw impeller pump stands out as a robust and enduring solution, crafted with hardened steel components ensuring efficient pumping, robust design, and prolonged lifespan. It boasts unique features that set it apart:

• High Efficiencies: The screw/centrifugal impeller design guarantees smooth flow and minimal turbulence, ensuring outstanding efficiency.
• Clog-free Operation: Thanks to the screw impeller, the pump operates without clogging, demanding minimal attention from operators and low maintenance.
• Low NPSH Required: Even as the available suction head decreases, this pump keeps thick sludges and large solids in motion.
• Steep Pump Performance Curve: Providing a predictable flow range, even with thick sludge and grit, ensuring reliable performance.
• Positive Displacement Action: This feature empowers the pump to handle dense sludge and grit effectively.
• Hardened Impeller: The high Brinell hardness provides excellent abrasion resistance and significantly extends the impeller’s lifespan.
• Anti-Vane Design: An anti-vane feature keeps the impeller’s eye free from clogging, ensuring uninterrupted operation.
• Externally Adjustable Suction Liner: This innovation enables adjustments that maintain the pump’s efficiency and prevent clogs, ensuring continuous and trouble-free operation.

Hidrostal pumps are state-of-the-art for handling grit and sludge. Whether the pumping application is sludge transfer, sludge mixing, primary sludge, return activated sludge (RAS), waste-activated sludge (WAS), or thickened sludge, we have a pump for that application. In addition, no other pump offers more quality or features than Hidrostal to ensure reliability and unsurpassed performance.

Hidrostal is an industry leader and innovator in high-quality pump design. At Envirep/TLC, we will help you choose the best Hidrostal parts for your needs. Our goal is to provide you with easy-to-operate, low-maintenance pump parts to ensure you are as cost-effective as possible.

Spare Parts

Envirep/TLC proudly serves as the authorized distributor of Hidrostal pumps and pump products in key regions including Pennsylvania, Maryland, New Jersey, Delaware, and Washington, D.C. Additionally, we offer comprehensive service and supply genuine spare parts to ensure optimal support for our valued customers.

When it comes to repairing Hidrostal pumps, it is imperative to opt for authentic Hidrostal pump parts. Hidrostal manufactures its parts with precise tolerances and specific material specifications. Utilizing non-genuine parts poses risks such as reduced pump service life, potential damage to other components, and decreased overall pump efficiency. Only genuine Hidrostal parts can guarantee a perfect fit and reliable, long-lasting service for years to come.

NOTE: Before 2015, Hidrostal pumps were sold in North America through a distributor agreement with The Weir Group, also known as WEMCO, and currently called Trillium Flow Technologies. This agreement expired at the end of 2015, and Hidrostal LLC was established in the United States to take over the sales, service, and support of all Hidrostal Pumps in North America.

CLICK HERE to learn more about Hidrostal.

CLICK HERE to view the Hidrostal Screw Impeller Pump brochure.

By Mike Gillespie, P.E., President at Envirep

Envirep/TLC is the exclusive distributor for Hidrostal municipal water and wastewater pumps in Pennsylvania, Delaware, Maryland, Virginia, and the District of Columbia.

Hidrostalis the industry leader and innovator in high-quality pump design. At Envirep/TLC, we will help you choose the best Hidrostal pump parts for your needs. Our goal is to provide you with easy-to-operate, low-maintenance pump parts to ensure you are as cost-effective as possible.