The 158m Doyin 4SDM3/22 AC Borehole Submersible Water Pump is engineered for medium to deep borehole installations that require dependable water delivery and high operating efficiency. Powered by a 1.5kW (2HP) copper-wound AC motor, it delivers up to 4.8m³/h (4,800 litres per hour) while lifting water to a maximum head of 158 metres.

Built with Doyin’s proven Ordinary Impeller multi-stage hydraulic system, the pump generates consistent pressure for transferring water to elevated storage tanks, irrigation systems and commercial distribution networks. Its robust construction ensures reliable performance during continuous daily operation while keeping maintenance simple and cost-effective.

Whether supplying clean water to homes, farms, schools or commercial premises, the 4SDM3/22 offers an efficient and durable solution for deep borehole water extraction.

Supplied and verified by Macire, this genuine Doyin 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

• 1.5kW (2HP) copper-wound AC motor
• Continuous-duty operation
• Water-cooled motor for efficient heat dissipation
• Stable performance under demanding conditions
• Low energy consumption with high pumping efficiency

Hydraulic Pump Assembly

• Multi-stage Ordinary Impeller
• High-pressure water delivery
• Designed for medium and deep boreholes
• Stable 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
• Built for clean borehole water applications

Technical Specifications

Key Features

• Powerful 1.5kW (2HP) AC motor
• Pumps up to 4,800 litres per hour
• Maximum pumping head of 158 metres
• Multi-stage Ordinary Impeller for reliable pressure generation
• Copper-wound motor enhances efficiency and durability
• Stainless steel construction resists corrosion
• Suitable for continuous daily operation
• Stable water delivery to elevated tanks
• Ideal for residential, agricultural and commercial boreholes
• Low-maintenance design with dependable 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 water storage tanks

🏭 Industrial water transfer

Installation Recommendations

For optimum performance, Macire recommends:

• Heavy-duty 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 extended service life.

Care & Maintenance

• Monitor operating current regularly.
• Inspect discharge pressure periodically.
• Check electrical connections and control panel.
• Prevent dry running.
• Flush excessive sand if necessary.
• Follow scheduled maintenance recommendations.
• Use genuine replacement parts.

Performance Guide

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

Frequently Asked Questions

1. Is this pump suitable for deep boreholes?

Yes. With a maximum head of 158 metres, it is 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) depending on the pumping head.

3. Does it use an Ordinary Impeller?

Yes. It features a durable multi-stage Ordinary Impeller designed for reliable high-pressure pumping of clean borehole water.

4. Is this an AC-powered pump?

Yes. It operates using an AC electrical supply and is suitable for mains power or generator-powered installations.

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 selection and sizing
• 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

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