200QJR Deep Well Submersible Pump China Factory and Suppliers

Looking for reliable 200QJR deep well submersible pump China suppliers? Our factory provides high-performance pumps with OEM processing to meet non-standard requirements based on GB/T2816-2014 and GB/T2818-2014 standards. Contact us on WhatsApp: 17855846335.

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The 200QJR Deep Well Submersible Pump is a high-performance engineering solution specifically designed for demanding water extraction environments. Engineered with a high-grade 50W400 cold rolled silicon steel motor and precision high-speed punching, this series minimizes stator iron loss and reduces heating, ensuring exceptional stability during prolonged operations. The integration of 3CR13 stainless steel impeller shafts and high-temperature sleeves allows the pump to maintain peak efficiency even in challenging thermal conditions.

Optimized for versatility, the 200QJR series supports frequency conversion technology, enabling automatic adjustment of water output based on real-time consumption. Whether deployed for agricultural irrigation, high-rise water supply, or industrial river intake, this pump provides a robust, energy-efficient, and durable solution. Its water-filled wet motor design ensures continuous cooling and lubrication, significantly extending the operational lifespan of the internal bearings and windings.

Detailed Parameters

Power Supply	Three-phase AC 380V (±5%)	Frequency	50Hz (±1%)
Max Immersion Depth	Up to 70 Meters	PH Value Range	6.5 - 8.5
Chloride Ion Content	≤ 400mg/L	Hydrogen Sulfide	≤ 1.5mg/L
Solid Impurities	≤ 0.01%	Motor Material	50W400 Cold Rolled Silicon Steel
Shaft Material	3CR13 Stainless Steel	Cooling Method	Water-filled Lubrication

Key Advantages

Corrosion Resistance

Utilizes premium 3CR13 stainless steel shafts and high-temperature sleeves to prevent rust and wear in harsh water conditions.

Thermal Stability

Advanced silicon steel stator and high-temperature windings reduce heat buildup for continuous, long-term operation.

Smart Adaptation

Fully compatible with frequency converters to automatically regulate flow rates based on actual water demand.

Precision Engineering

Designed via computer CAD to ensure a simple yet high-performance structure with optimal hydraulic efficiency.

Sand Prevention

Equipped with double oil seals and a specialized sand ring to prevent particulates from entering the motor cavity.

Energy Efficient

Low stator iron loss and high-efficiency motor windings significantly reduce power consumption and operational costs.

Product Gallery

Management Platforms

Deep Well Intake

Optimized for efficient water extraction from deep underground aquifers with high stability.

Agricultural Irrigation

Reliable water supply for large-scale farms, gardens, and specialized crop irrigation systems.

High-Rise Supply

Provides the necessary head and pressure for urban high-rise building water distribution.

Mountain Water Supply

Engineered to handle the challenging elevations and varied terrains of mountain water systems.

River Water Intake

Effective for transporting water from rivers and ponds for industrial or domestic use.

Domestic Water

A dependable solution for residential water needs and community water towers.

Investment Return Comparison

Feature	Standard Submersible Pump	200QJR Premium Series
Material Life	Standard Steel (Moderate)	3CR13 Stainless Steel (High)
Thermal Control	Passive Cooling	Active Water-Filled Cooling
Energy Efficiency	Fixed Flow Rate	Frequency Conversion Adaptable
Sand Resistance	Basic Seal	Double Oil Seal + Sand Ring
Maintenance Cycle	Frequent Inspections	Extended Service Intervals

Frequently Asked Questions

Q: Can the 200QJR pump be used for muddy or sandy water?

No, this pump is specifically designed for clean water. Pumping sediment or muddy water is strictly prohibited as it can cause premature wear and damage to the internal components.

Q: What is the maximum immersion depth for the 200QJR series?

The maximum immersion depth is 70 meters. We recommend maintaining a distance of at least 3 meters from the bottom of the well to ensure optimal performance.

Q: How does the frequency converter benefit the pump's operation?

The frequency converter allows the pump to automatically adjust its output based on the actual water consumption, which optimizes energy use and reduces mechanical stress.

Q: Is it necessary to fill the motor cavity with water before use?

Yes, the motor cavity must be completely filled with clean, non-corrosive distilled water or cold boiling water to provide essential cooling and lubrication for the bearings.

Q: What should I do if the pump is stored in a freezing environment?

If the storage temperature is below freezing, you must drain the water from the motor cavity to prevent ice damage to the internal structure.

Q: What are the electrical protection requirements for installation?

The pump must be equipped with an overload protection device, including short circuit, phase, undervoltage, and grounding protection to ensure motor safety.

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