Grundfos 25S15-9 - 4" Multistage Submersible Well Pump - 230V

Multi-stage submersible pump for raw water supply, groundwater lowering and pressure boosting. The pump is suitable for pumping clean, thin, non-agressive liquids without solid particles or fibres.

The motor is a 1-phase motor with sand shield, liquid-lubricated bearings and pressure equalizing diaphragm.

Features

• Improved octagonal discharge: Ensures better engagement with a pipe wrench for easier and safer attachment to the drop pipe
• Improved cable guard attachment: Screw mounted to ensure a secure fit and can be installed without loosening straps
• Improved straps: Push in and pull down straps allow for easy installation and service
• Built-in check valve: All SP pumps come with a check valve to minimize the risk of water hammer
• Corrosion resistant: Robust stainless steel construction - 304, 316, 904L
• Wear resistance - less abrasive wear: Octagonal bearings and sand flush channels remove particles within the pumped water. Sand resistance further increased by utilizing LSR bearing, offering longer life
• Optimized hydraulics: Increased performance and higher efficiency
• Viton and Teflon parts: Makes the SP suitable for use in water which is combined with chemicals or liquids
• Stop ring: Protects the pump in case of up thrust
• Customized solutions: Contact your Grundfos distributor if you require a SP system tailored to your specific application

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