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A Versatile Suite of Hydraulic Solutions

To ensure peak performance across every wastewater application, the Grundfos SE/SL range features a diverse selection of hydraulic designs. Each is engineered to balance high-efficiency output with the specific demands of your media.

Closed S-tube® (Single or Twin Channel)

• Best For: Low to medium contaminated wastewater.

• The Advantage: These closed impellers provide a large free passage while maintaining the highest levels of hydraulic efficiency. It is the go-to choice for maximizing energy savings in standard municipal applications.

Open S-tube® (Semi-Open)

• Best For: Medium to extreme wastewater contamination.

• The Advantage: Offering high efficiency across a broad operating range, these impellers can be precision-trimmed to meet your specific duty point. They are built to handle high-solids content without compromising on performance.

SuperVortex (Free-Flow)

• Best For: Challenging media with high abrasive content or long, stringy fibers.

• The Advantage: The SuperVortex design creates a powerful whirling flow that keeps solids moving. By minimizing direct contact between the media and the impeller, it ensures trouble-free operation even in the most abrasive environments.

SEV/SLV Series: Precision Engineering with SuperVortex Hydraulics

The Grundfos SEV and SLV ranges are the premier choice for operators who need a free-flow impeller that doesn't compromise on efficiency or passage. These pumps are specifically optimized for environments that demand a large, unobstructed spherical passage, making them ideal for managing high solids content in applications with low-to-medium operating hours.

Tailored Hydraulic Performance

The SuperVortex impeller is designed for flexibility. To ensure the pump aligns perfectly with your system's requirements, these impellers can be precision-trimmed to meet your specific duty point, reducing energy waste and mechanical stress. For specialized high-pressure requirements, the SEV/SLV pumps are also available in a Super-High Head (SHH) variant.

Material Options: Built for Your Specific Media

To ensure maximum service life, we offer the SEV/SLV range in three distinct material configurations based on the corrosivity and abrasiveness of your wastewater:

• Standard Cast Iron: The reliable, cost-effective workhorse for the vast majority of municipal and domestic wastewater applications.

• Stainless Steel (Q-Variant): A robust standard solution designed for wastewater streams containing a higher volume of abrasive particles.

• Duplex Stainless Steel: A customized, high-tier solution engineered for extreme environments with high concentrations of abrasive solids and corrosive elements.

Versatile Solutions for Every Environment

The Grundfos SE and SL series are engineered to handle a wide variety of liquids, ensuring reliable transport and treatment across diverse sectors.

Primary Media Applications

Our pumps are designed to master the movement of:

• Wastewater: Domestic, municipal, and industrial waste streams.

• Water Management: Drainage, surface water, and stormwater runoff.

• Industrial Fluids: Process water and specialized cooling water systems.

Key Installation Sites

From large-scale infrastructure to commercial facilities, SE and SL pumps are the ideal choice for:

Municipal & Utility Networks

• Network pumping stations and stormwater management.

• Wastewater Treatment Plants (WWTP): Inlet stations, plus primary and secondary clarification tanks.

Industrial & Commercial Facilities

• Factories and industrial processing plants.

• In-plant cooling and process water distribution.

Commercial & Residential Buildings

• Public buildings and institutional facilities.

• Large-scale residential complexes and housing developments.