Grundfos S Submersible Groundwater Pumps

Grundfos S Submersible Pumps for Wastewater, Sewage, Stormwater, Flood Control, and Municipal Pumping Stations

Heavy-Duty Submersible Wastewater Pumps for Solids Handling, Raw Sewage, and Large-Scale Water Transport

Grundfos S Submersible Pumps are heavy-duty submersible pumps designed for demanding wastewater, sewage, stormwater, drainage, and process water applications. Built for municipal, commercial, industrial, and utility pumping systems, the Grundfos S range is used where reliable solids handling, long service life, and efficient high-capacity pumping are essential.

The Grundfos S range is primarily designed for wastewater and sewage service, not clean groundwater extraction. These pumps are commonly applied in wastewater pumping stations, municipal sewer networks, treatment plants, industrial wastewater systems, stormwater systems, flood control installations, and large-scale water transport applications.

Grundfos S Submersible Pumps are built for both temporary and permanent installations. Depending on the selected model and configuration, they can be used in wet wells, dry installations, lift stations, bypass pumping setups, and permanent pump station systems. Their rugged construction and wastewater-focused hydraulic designs help move liquids containing solids, rags, fibers, sludge, and other debris typically found in sewage and wastewater networks.

The S range includes impeller and hydraulic options designed to support clog resistance, reliable solids passage, and efficient wastewater movement. Features such as SmartTrim® impeller clearance adjustment, SmartSeal® auto-coupling sealing, double mechanical shaft seal protection, watertight cable entry, and available monitoring sensors help support pump reliability, reduce downtime, and improve lifecycle performance in demanding wastewater systems.

Features

• Heavy-duty submersible pump design
• Designed for wastewater, sewage, stormwater, drainage water, and process water
• Suitable for municipal, commercial, industrial, and utility pumping systems
• Built for solids handling and raw sewage applications
• Applicable for temporary and permanent pump installations
• Suitable for wet well and pump station applications
• Designed for large-scale water and wastewater transport
• Channel impeller and SuperVortex impeller options available depending on model configuration 
• Hydraulic designs support solids passage and clog resistance
• SmartTrim® system supports impeller clearance adjustment
• SmartTrim helps maintain pump efficiency over time
• SmartSeal® auto-coupling gasket helps provide a tight connection between pump and base unit
• Double mechanical shaft seal system helps protect the motor from pumped liquid
• Watertight cable entry helps reduce liquid ingress risk
• Rounded cable-entry design helps reduce cable wear
• Monitoring sensors available on select models for winding temperature, bearing temperature, vibration, and water in oil
• Stainless steel wet-end component variants available on select configurations
• Designed to reduce downtime and support long lifecycle performance
• Suitable for demanding wastewater environments with solids, fibers, rags, and sludge

Applications

• Municipal wastewater pumping
• Sewage pumping stations
• Raw sewage transport
• Wastewater treatment plants
• Stormwater pumping
• Flood control systems
• Drainage water transfer
• Process water pumping
• Industrial wastewater systems
• Commercial wastewater systems
• Utility wastewater networks
• Wet well installations
• Lift stations
• Temporary bypass pumping
• Permanent pump station installations
• Large-scale water and wastewater transport