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Keda QS Graphite-Sleeve Deep-Well Pump

QS8-50-2.2、QS10-55-2.2、QS10-65-2.5、QS10-80-3、QS10-90-4、QS15-75-5.5

The Keda deep-well pump featuring a high-quality graphite sleeve offers exceptional performance—including corrosion resistance,high-temperature tolerance,and wear resistance—making it ideal for efficient water pumping in industrial,agricultural,and mining applications.With a compact structure,stable operation,and easy maintenance,the pump supports continuous,long-term use while ensuring high efficiency,energy savings,and reliable safety.
Function
Parameters
Size
Video Introduction

Function

The Keda QS Graphite-Sleeve Deep-Well Pump is a high-performance unit designed specifically for water extraction from deep wells, manufactured using advanced technology and premium materials.

1. ‌High-Efficiency and Energy-Saving Design‌

Utilizes an optimized hydraulic model and a graphite-sleeve structure to significantly enhance pump efficiency and reduce energy consumption. The centrifugal impeller design, combined with a multi-stage series configuration, achieves high lift—up to 550 meters—meeting the demands of deep-well pumping.

2. ‌Corrosion and Wear Resistance‌

● Graphite-Sleeve Technology: Key components feature high-strength graphite sleeves, offering excellent corrosion resistance and suitability for water with high sand content or acidic/alkaline properties.

3. ‌Compact Structure and Stability‌

● Integrated motor-pump design ensures a compact size and light weight, facilitating down-hole installation and maintenance.

● Equipped with water-lubricated bearings and a pressure-regulating diaphragm to ensure smooth operation and minimize mechanical wear.

4. ‌Broad Applicability‌

● Application Scenarios: Suitable for deep-well water extraction, agricultural irrigation, industrial and mining drainage, municipal water supply, and emergency rescue operations.

● Environmental Adaptability: Compatible with various well types, such as steel-cased and earthen wells; supports the use of steel or plastic riser pipes.

5. ‌Safety and Convenience‌

● Sand-Proof Design: The motor shaft end is fitted with dual oil seals and a sand-slinging ring to effectively prevent sand ingress.

● Easy Installation: No pump house is required; the unit operates while fully submerged, reducing construction costs.

6. ‌Low Maintenance Requirements‌

● Modular design facilitates disassembly and servicing; the water-lubricated system eliminates the need for external lubrication maintenance.

● Stator windings utilize water-resistant insulation materials, enhancing motor reliability in humid environments.

With its core strengths of high efficiency, durability, and ease of maintenance, the Keda QS Graphite-Sleeve Deep-Well Pump is an ideal solution for deep-well water supply and drainage applications.

Parameters

Product Model Voltage Rated flow rate (m³/h) Rated head (m) Power (kW) caliber Rotational speed (r/min)
QS8-50-2.2 380 8 50 2.2 3寸 2860
QS10-55-2.2 380 10 55 2.2 1寸2 2860
QS10-65-2.5 380 10 65 2.5 1寸2 2860
QS10-80-3 380 10 80 3 1寸2 2860
QS10-90-4 380 10 90 4 1寸2 2860
QS15-75-5.5 380 15 75 4 1寸5 2860

Size

Video Introduction

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