The Doyin 4SDM3/13 AC Submersible Borehole Pump is a reliable 0.75kW / 1HP deep-well pump designed for homes, farms, irrigation systems, livestock watering and elevated tank filling.

It delivers up to 4.8m³/h (4,800 litres per hour) with a maximum head of 93 metres, making it suitable for shallow to medium-depth boreholes where both good water pressure and strong daily water output are required.

💧 Key Features

• ⚡ 0.75kW / 750W motor
• 🐎 1HP
• 📏 Maximum head: 93 metres
• 💧 Maximum flow: 4.8m³/h
• 🚰 Equivalent to 4,800L/hour
• 🔩 1¼-inch outlet
• 🔌 240V AC operation
• 🕳️ Designed for boreholes and deep wells
• ⚙️ Multi-stage impeller design
• 🧱 Stainless-steel pump construction
• 🚰 Suitable for elevated tank filling
• 🌾 Ideal for irrigation
• 🐄 Suitable for livestock water supply
• 🏠 Good for domestic borehole systems

📈 Pump Performance

The available water flow decreases as pumping head increases. One published performance guide for the 4SDM3/13 gives approximately:

• 💧 20m head: 4.8m³/h
• 💧 40m head: 4.6m³/h
• 💧 60m head: 4.2m³/h
• 💧 80m head: 3.6m³/h
• 💧 90m head: 3.0m³/h
• 📏 Maximum Head: 93m

Actual output will depend on borehole conditions, pipe diameter, tank elevation and installation quality.

🕳️ Ideal for Borehole Water Supply

The combination of 93m head and 4,800L/h maximum flow makes this pump especially useful for installations that need good daily water production.

Suitable applications include:

• 🏠 Domestic borehole water supply
• 🚰 Elevated tank filling
• 🌾 Farm irrigation
• 🌱 Greenhouses and horticulture
• 🐄 Dairy and livestock farms
• 🏫 Schools and institutions
• 🏪 Light commercial water systems

✅ Benefits

• Strong 1HP performance
• High 93m lifting capability
• Up to 4,800L/h water output
• Standard AC electric operation
• Multi-stage design for dependable pressure
• Suitable for medium-depth boreholes
• Good choice for irrigation and tank filling
• Compact submersible installation

⚠️ Installation Notes

• 💧 Keep the pump fully submerged during operation
• 🚫 Do not run the pump dry
• 🌍 Ensure proper electrical earthing
• 🛡️ Use suitable motor and overload protection
• 📏 Calculate total dynamic head before installation
• 🔌 Use correctly sized submersible cable
• 🪢 Do not suspend the pump using the electrical cable
• 🧹 Use with clean borehole or well water
• 🔧 Professional borehole installation is recommended