The 122m Doyin 4SDM3/18 AC Borehole Submersible Water Pump is designed to provide dependable water delivery from medium and deep boreholes for residential, agricultural and commercial applications. Powered by a 1.1kW (1.5HP) copper-wound AC motor, it delivers up to 4.8m³/h (4,800 litres per hour) while achieving a maximum head of 122 metres, making it an ideal solution for elevated water storage and long-distance water transfer.

Equipped with Doyin’s multi-stage Ordinary Impeller, the pump generates stable pressure and consistent flow, ensuring reliable performance for daily water supply. Its precision-engineered hydraulic system efficiently lifts water while maintaining low operating costs and dependable long-term operation.

Manufactured using corrosion-resistant stainless steel components and heavy-duty mechanical seals, the 4SDM3/18 is built to withstand continuous operation in demanding borehole environments. Whether supplying water to homes, irrigation systems, livestock farms or institutions, it offers reliable performance with minimal maintenance.

Supplied and verified by Macire, this genuine Doyin borehole pump is backed by expert technical advice, nationwide delivery and dependable after-sales support.

⭐ Genuine Product | Verified & Supported by Macire

Pump Design & Construction

High-Efficiency AC Motor

• 1.1kW (1.5HP) copper-wound AC motor
• Continuous-duty operation
• Water-cooled motor design
• High starting torque
• Efficient energy consumption

Hydraulic Pump Assembly

• Multi-stage Ordinary Impeller
• Stable high-pressure water delivery
• Optimised for medium and deep boreholes
• Consistent flow across varying pumping heads
• Reliable long-term operation

Heavy-Duty Construction

• Stainless steel pump body
• Corrosion-resistant hydraulic components
• Heavy-duty mechanical seals
• Precision-machined stainless steel shaft
• Designed for clean borehole water applications

Technical Specifications

Key Features

• Powerful 1.1kW (1.5HP) copper-wound AC motor
• Delivers up to 4,800 litres per hour
• Pumps water to a maximum head of 122 metres
• Multi-stage Ordinary Impeller for dependable pressure and flow
• Stainless steel construction resists corrosion
• Heavy-duty mechanical seals reduce maintenance requirements
• Designed for continuous daily operation
• Stable water supply for elevated storage tanks
• Suitable for residential, agricultural and commercial boreholes
• Energy-efficient operation with reliable long-term performance
• Genuine Doyin quality supplied by Macire

Applications

🏠 Residential boreholes

🚜 Irrigation systems

🐄 Livestock farms

🏫 Schools and institutions

🏨 Hotels and lodges

🏢 Commercial buildings

💧 Elevated storage tanks

🌱 Horticultural water supply

Installation Recommendations

For optimum performance, Macire recommends:

• Motor control panel with overload protection
• High-quality submersible cable
• HDPE rising main
• Stainless steel safety wire
• Non-return valve
• Borehole well cap
• Dry-run protection
• Surge protection

Professional installation ensures maximum efficiency and long service life.

Care & Maintenance

• Monitor motor current regularly.
• Inspect discharge pressure periodically.
• Check electrical connections.
• Prevent dry running.
• Flush excessive sand if required.
• Follow scheduled maintenance recommendations.
• Use genuine replacement parts.

Performance Guide

Actual performance varies depending on borehole conditions, pipe sizing and installation quality.

Frequently Asked Questions

1. Is this pump suitable for medium-depth boreholes?

Yes. Its 122-metre maximum head makes it ideal for medium to deep borehole installations.

2. What is the maximum water output?

The pump delivers up to 4.8m³/h (4,800L/h) under favourable operating conditions.

3. What type of impeller does it use?

It uses a durable multi-stage Ordinary Impeller designed for efficient clean water pumping and dependable long-term operation.

4. Is this an AC-powered borehole pump?

Yes. It operates on an AC electrical supply and is suitable for mains electricity or generator-powered systems.

5. Does Macire provide installation support?

Yes. Macire offers professional pump sizing, installation guidance, nationwide delivery and dependable after-sales support.

Why Buy from Macire

• Genuine Doyin borehole pumps
• Expert pump sizing and selection
• Nationwide delivery across Kenya
• Technical support before and after installation
• Genuine accessories and spare parts
• Reliable after-sales service
• Competitive pricing
• Trusted supplier of water pumping solutions
• Professional installation guidance
• Long-term customer support

⭐ Verified & Supported by Macire

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