Lubi LKTW-4H 7.5 HP Borewell Submersible Pump – 77 Stages, Stainless Steel, Water-Filled Motor (4-Inch, Three Phase)

If you’re looking for a high-performance, energy-efficient, and durable solution for deep borewell water extraction, the Lubi LKTW-4H 7.5 HP Borewell Submersible Pump is a top-tier choice. This 77-stage, 4-inch stainless steel pump is equipped with a 7.5 HP (5.5 kW) water-filled three-phase motor, making it ideal for demanding residential, agricultural, and industrial water pumping needs.

Engineered for high head applications, the Lubi LKTW-4H delivers consistent water flow across a wide range of discharge levels. With stainless steel construction and innovative design features like an integrated non-return valve, wear-resistant rings, and a hygienic operation, this submersible pump is built to perform reliably in all conditions.

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✅ Product Highlights:

• Pump Model: LKTW-4H

• Power Rating: 7.5 HP (5.5 kW)

• Number of Stages: 77

• Speed: 2880 RPM

• Motor Type: Water-Filled, Three Phase

• Material: Stainless Steel (Corrosion-Resistant)

• Outlet Size: 32 mm (1¼ inch)

• Warranty: 2 Years (with 2 free services by Lubi)

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💧 Discharge vs. Head Chart

💡 Performance Highlights:

• ✅ Max Head Delivery: 477 metres (at 0 LPM)

• ✅ Optimal Mid-Flow: 365 metres at 53 LPM

• ✅ Stable Performance: Across varying flow rates

• ✅ Designed for Deep Borewells: Up to 450+ metres

• ✅ Efficiency Boost: 77-stage design for precise water delivery

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🛠️ Technical Specifications

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🧰 Application Areas

The Lubi LKTW-4H 7.5 HP borewell pump is suited for a wide variety of water pumping needs:

• 🌾 Agriculture: Irrigation of crops, orchards, greenhouses

• 🏠 Residential: Water supply to independent homes and apartments

• 🏢 Commercial: Office buildings, hotels, schools, and hospitals

• 🏭 Industrial: Factories, processing units, and workshops

• 💧 Water Distribution: Urban and rural community water supply systems

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🔍 Key Features and Benefits

1. 4-Inch Borewell Compatibility

Designed for use in standard 4-inch borewells, the LKTW-4H pump fits effortlessly into narrow boreholes, making it an ideal choice for both new and replacement installations.

2. High-Efficiency 77 Stage Design

With 77 pumping stages, this pump offers high lift performance, making it suitable for borewells with deep static water levels. The multi-stage mechanism ensures consistent water delivery even at greater depths.

3. Premium Stainless Steel Construction

Both the pump and motor housing are constructed from high-grade stainless steel, providing unmatched durability, rust resistance, and hygienic operation. This ensures a long lifespan and safe water delivery for domestic consumption.

4. Water-Filled Motor for Enhanced Cooling

The motor is water-filled, which enables efficient heat dissipation during operation. This ensures longer motor life, prevents overheating, and enhances energy efficiency.

5. Replaceable Stainless Steel Wear Rings

Fitted with wear-resistant impellers and replaceable wear rings, the pump ensures smooth operation and easy maintenance. These rings help maintain optimal performance by reducing internal leakage.

6. Integrated Non-Return Valve

The built-in NRV prevents backflow and protects the pump from water hammer effects, ensuring safe operation and extending the life of the pipeline system.

7. Permanently Attached Strainer

A factory-attached strainer ensures debris-free water intake, protecting the internals of the pump from damage caused by sand and other particles.

8. Hygienic and Drinking Water-Safe

The stainless steel, rust-free components make this pump safe for potable water applications, ideal for use in residential and institutional setups.

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⚙️ Installation and Usage Tips

• Ensure installation is done by a qualified technician.

• Use proper starter and protection controls.

• Maintain correct pipe diameter and vertical alignment.

• Avoid dry running – always check water level in the borewell before operation.

• Clean the strainer periodically to ensure unrestricted water flow.

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📦 What’s in the Box?

• ✅ 1 x Lubi LKTW-4H Submersible Pump (Pump + Motor)

• ✅ User Manual and Warranty Card

• ✅ Strainer (pre-fitted)

• ✅ Performance & Installation Guidelines

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📋 Warranty & After-Sales Support

The Lubi LKTW-4H 7.5 HP Borewell Pump comes with a 2-year warranty provided directly by Lubi. The warranty includes two free services within the warranty period. From the third service onward, standard charges will apply.

What’s Covered:

✔️ Manufacturing defects
✔️ Motor issues under normal use
✔️ Performance inconsistencies due to internal component wear

What’s Not Covered:

❌ Improper installation
❌ Damages due to misuse or voltage fluctuations
❌ Natural wear and tear or dry run damage
❌ Service by unauthorized personnel

For warranty claims, customers must visit the nearest authorized Lubi service center with the warranty card and purchase invoice.

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📌 Important Notes

• Performance may vary depending on actual site conditions including water table, pipe diameter, and voltage supply.

• Images shown are for illustration purposes only. Actual product may vary in appearance.

• Always operate the pump under recommended conditions to ensure longevity and warranty validity.

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🔑 Why Choose Lubi Pumps?

Lubi Pumps is one of India’s most trusted pump brands with decades of engineering excellence. Known for quality craftsmanship, innovative design, and robust service support, Lubi ensures peace of mind when it comes to water pumping solutions.

With extensive coverage across India, including authorized service centers in Bangalore, Hyderabad, Chennai, and major cities, Lubi makes sure your pump keeps running when you need it most.

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📞 Contact Us for Best Price & Expert Guidance

Need assistance with choosing the right submersible pump? Our team of experts is ready to help. Contact us for:

• ✅ Pump selection based on bore depth and discharge needs

• ✅ Installation guidance

• ✅ After-sales support and service assistance