The Grundfos S range of highly dependable, powerful sewage pumps are designed for handling unscreened raw sewage. Acknowledged for their strength, durability, and innovative features such as SmartTrim impeller clearance adjustment system and SmartSeal for leakage prevention, the S pumps form the backbone of many sewage systems.
Sewage Pumps
GRUNDFOS S RANGE
KEY FEATURES AND BENEFITS
• High efficiency and excellent non-clogging capabilities with large free passage of up to 5.7 inches (145 mm)
• Patented SmartTrim system for extremely easy impeller adjustment without dismantling the pump, to maintain peak performance and keep lifecycle costs low
• The SmartSeal auto-coupling gasket provides a completely leak-proof connection between the pump and the base unit of the auto-coupling system
• Lower bearings are doubled for additional safety and select models feature an additional radial bearing
• Leak free design keeps liquid away from the motor by a double mechanical shaft seal system in the intermediate oil chamber
• Watertight cable entry point prevents liquid from entering at this often vulnerable spot, while rounded edges also prevent cable wear
• Sensors available for monitoring the pump, including bearing and winding temperature, vibrations and water in oil
• Stainless steel wet components available as variants
APPLICATIONS
• Municipal wastewater• Wastewater treatment• Raw water intake• Industry/corrosive liquids• Commercial wastewater
TECHNICAL DATA
S RANGE
FLOW, Q: max. 39,500 gpm
HEAD, H: max. 280 ft
LIQUID TEMPERATURE: 32°F to 104°F
MOTOR SIZE: max. 608 hp
DISCHARGE DIAMETER: 4 in. to 24 in
FREE PASSAGE: max. 5.80 in
INSULATION CLASS: H
SYSYTEM PRESSURE: max. PN 10
HYDRAULIC EFFICIENCY: max. 85%
PERFORMANCE DATA
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Grundfos AmericasBrookshire, TX 77423
www.grundfos.uswww.grundfos.cawww.grundfos.mx
Visit grundfos.us/pei to learn more about Department of Energy (DOE) pump energy index (PEI) requirements and PEI ratings on specific Grundfos models.
100 300 1500 4000 10000 20000 40000Q [US GPM]
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H [ft]S Range
60 HzS Range
60 Hz
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