SL Submersible Wastewater Pumps from Grundfos Pumps are designed to handle raw, unscreened sewage; effluent; large volumes of surface water; and process water in municipal, utility and industrial applications. The solids-handling pump series, in motor ranges from 1.5 to 15 hp, is available in two types of impellers — the SLV/SuperVortex impeller provides the free passage of solids up to 4 inches in diameter, making it ideal for liquids with a content of solids, fibers or gassy sludge; the SL1/S Tube impeller accommodates solids up to 4 inches, but is designed particularly for large flows of raw sewage. They are designed for permanent submerged installation in demanding applications, such as municipal wastewater, network pumping stations, wastewater treatment plants, public buildings, housing projects and other commercial applications. The series is designed with IE3 premium-efficiency motor components, quick-removable pump housing clamps, cartridge seals, quick-removable plug-in cord, and smooth exterior components for high-efficiency performance. 800/921-7867;

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