Doyin 4SPS4.5-1100W (1.5HP) DC Solar Submersible Pump with Stainless Steel Impeller – 140M Head

Doyin 4SPS4.5-1100W (1.5HP) DC Solar Submersible Pump with Stainless Steel Impeller – 140M Head,

Specifications.

• Model: 4SPS4.5-1100W
• Power: 1,100W (1.5HP)
• Motor Type: Brushless DC Motor
• Max Flow Rate: 4.5 m³/h (4,500 L/h)
• Maximum Head: 140M
• Recommended Depth: 0–109M
• Ideal Power Supply: 3×550W
• Impeller Material: Stainless Steel
• Pump Type: DC Submersible Borehole Pump
• Borehole Size: 4-inch

Descriptions.

The Doyin 4SPS4.5-1100W is a high-efficiency 1.5HP DC submersible borehole pump engineered for deep-well water supply in demanding environments. Featuring a premium stainless steel impeller and a powerful brushless DC motor, it delivers a reliable 4,500 litres per hour at depths of up to 140 metres — making it a dependable choice for homes, farms, and institutions on solar or DC power systems.

Key Features & Benefits

• Solar-Ready DC Motor — Runs directly on solar panels or battery systems, eliminating electricity bills and enabling off-grid water access
• High Flow Output — Pumps up to 4,500 L/h (4.5 m³/h), ensuring consistent water supply for large households, irrigation, or livestock
• 140M Maximum Head — Handles deep borehole installations with ease, delivering strong vertical lift even at great depths
• Stainless Steel Impeller — Superior resistance to corrosion, wear, and sand particles compared to ordinary impellers — built to last longer and perform better
• Brushless DC Technology — Smooth, efficient operation with minimal heat generation and low maintenance requirements
• Sealed Motor Housing — Fully waterproof construction protects internal components from water ingress and mechanical damage
• Low Maintenance Design — Simple construction with few moving parts means less downtime and lower servicing costs

Why Choose the Doyin 4SPS4.5-1100W?

• ✅ Proven Doyin quality — a trusted brand in borehole and solar pumping solutions
• ✅ Stainless steel impeller outlasts standard plastic or cast-iron alternatives
• ✅ Ideal for Kenya’s solar-powered water projects — homes, schools, farms, and guesthouses
• ✅ Handles deep boreholes up to 140M with consistent pressure and flow
• ✅ Brushless motor ensures long service life and low operating costs
• ✅ Compatible with HDPE/PPR piping and non-return valves for easy installation

Applications

Domestic Water Supply — Reliable daily water delivery for homes, apartments, and guesthouses drawing from deep boreholes.

Irrigation & Farming — Efficiently feeds irrigation lines and water troughs for crop and livestock farming in off-grid areas.

Institutions — Suitable for schools, clinics, and churches requiring consistent high-volume water access.

Solar Water Projects — Perfectly matched for solar pumping installations where grid power is unavailable or unreliable.

Water Storage Systems — Ideal for filling overhead tanks and underground reservoirs from deep borehole sources.