QJP Series Special Fountain Submersible Pump China Suppliers Factory

Leading China factory and suppliers of QJP series submersible pumps. We provide professional OEM processing and custom design for non-standard submersible motors and pumps following GB/T2816-2014 and GB/T2818-2014 standards. Contact us via WhatsApp 17855846335 for high-performance hydraulic solutions.

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The QJP Series Special Fountain Submersible Pump is a high-performance hydraulic solution specifically engineered for music fountains and advanced water features. Built with a high-quality cold-rolled silicon steel motor core, this series ensures superior magnetic conductivity and energy efficiency, effectively eliminating overheating during frequent start-stop cycles. Its unique design allows for versatile installation, supporting both vertical and horizontal orientations to meet diverse architectural requirements.

To ensure long-term durability in aquatic environments, the QJP series replaces traditional ball bearings with advanced stainless steel sleeves and alloy copper lubricants. This innovative engineering eliminates the common risks of rust and motor burnout due to oil depletion. With a water-filled wet motor structure and a precise pressure-regulating film, the pump maintains optimal cooling and lubrication, making it the ideal choice for demanding fountain projects and industrial water supply systems.

Detailed Parameters

Power Supply	Three-phase AC 380V (±5%), 50HZ (±1%)	Max Immersion Depth	Up to 70 Meters
Water Temperature	≤ 20 °C	pH Value Range	6.5 - 8.5
Solid Impurities	≤ 0.01% (Mass Ratio)	Chloride Ion Content	≤ 400 mg/L
Hydrogen Sulfide	≤ 1.5 mg/L	Minimum Bottom Clearance	≥ 3 Meters
Motor Structure	Water-filled Wet Submersible	Insulation Resistance	≥ 100 MΩ (After Installation)

Key Advantages

Anti-Corrosion Design

Stainless steel sleeves replace traditional ball bearings, eliminating rust and preventing motor burnout.

Frequent Start Stability

High-grade silicon steel core prevents heat buildup during intermittent operations in music fountains.

Versatile Orientation

Engineered for flexibility, allowing all models to be installed horizontally or vertically.

Advanced Cooling

Water-filled wet motor structure ensures efficient heat dissipation and lifelong bearing lubrication.

Sand Prevention

Equipped with dual oil seals and a specialized sand ring to block impurities from entering the motor.

Precision Engineering

Developed using computer CAD for optimized hydraulic performance and a simplified, robust structure.

Product Gallery

Management Platforms

Deep Well Intake

Optimized for high-efficiency water extraction from deep aquifers with stable flow rates.

Agricultural Irrigation

Reliable water delivery for large-scale crop irrigation and garden hydration systems.

High-Rise Supply

Powerful head capacity to ensure consistent water pressure for multi-story buildings.

Fountain Systems

Specialized design for music fountains requiring precise control and horizontal installation.

River Water Intake

Durable construction for drawing water from rivers, ponds, and open reservoirs.

Industrial Water

Heavy-duty performance for industrial cooling and process water requirements.

Investment Return Comparison

Performance Metric	Standard Pumps	QJP Series Pump
Bearing Lifespan	Low (Ball Bearings Rust)	High (Stainless Sleeves)
Energy Efficiency	Standard Silicon Steel	Premium Cold-Rolled Steel
Installation Flex	Vertical Only	Vertical & Horizontal
Maintenance Cycle	Frequent (Oil Change)	Extended (Water Lubricated)
Operational Heat	High during frequent starts	Low / Optimized Cooling

Frequently Asked Questions

Q: Can the QJP series pump be used for pumping muddy water?

No. The QJP series is strictly designed for fresh water. Pumping mud or sand is prohibited as it can cause premature wear to the impellers and bearings.

Q: What is the maximum immersion depth for these submersible pumps?

The maximum immersion depth for the QJP series is 70 meters. Ensure the pump is completely immersed in water before operation to avoid damage.

Q: Why does the pump need to be filled with water before first use?

The motor adopts a water-filled wet structure. Filling it with clean water is essential for cooling the motor and lubricating the bearings during operation.

Q: Is the QJP pump suitable for music fountains?

Yes, it is specifically developed for music fountains. It handles frequent starting without overheating and supports horizontal installation.

Q: How should the pump be stored during winter?

To prevent freezing and structural damage, all water must be discharged from the pump chamber before storing it in a dry, non-corrosive environment.

Q: What protection devices are required for the 380V power supply?

The pump must be equipped with a distribution box providing overload, short-circuit, phase loss, undervoltage, and grounding protection.

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