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135QJ Deep Well Submersible Pump China Factory and Professional Suppliers

135QJ Deep Well Submersible Pump China Factory and Professional Suppliers

Leading China factory and suppliers of 135QJ deep well submersible pumps. We undertake OEM processing to design and manufacture non-standard submersible motors and pumps per GB/T2816-2014 and GB/T2818-2014 standards. Contact us via WhatsApp 17855846335 for custom solutions.
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The 135QJ Deep Well Submersible Pump is a high-performance lifting machine engineered for seamless integration of the submersible motor and pump. Featuring a vertical, compact structure with a small footprint, this series is designed for effortless installation and streamlined maintenance. It is an indispensable solution for critical water conservancy projects, providing a reliable water supply through a robust design that ensures long-term stability in demanding environments.

Versatile and efficient, the 135QJ series is widely deployed across agricultural irrigation, municipal engineering, urban water supply and drainage, as well as industrial and mining operations. With a flow range of 5-500m³/h, a maximum head of up to 800m, and power options from 3-315KW, it offers the scalability and power required to handle everything from drought relief to large-scale industrial water transport.

Detailed Parameters

Flow Range5-500 m³/h Max Head4-800 m
Power Range3-315 KW Rated VoltageThree-phase AC 380V (±5%)
Frequency50Hz (±1%) Max Immersion Depth70 Meters
PH Value Range6.5 - 8.5 Water Temp Limit≤ 20 °C
Chloride Ion Limit≤ 400 mg/L Hydrogen Sulfide Limit≤ 1.5 mg/L

Key Advantages

Robust Sand Control

Equipped with dual oil seals and a specialized sand throwing ring to prevent well debris from entering the motor, ensuring longevity.

High Thermal Stability

Utilizes a water-cooled wet asynchronous motor with a voltage regulating film to manage pressure differences caused by heat.

CAD Precision Design

Engineered via computer-aided design for a simple yet highly efficient technical structure that optimizes water flow.

Advanced Insulation

The motor stator winding is crafted from premium submersible-grade wire, ensuring superior insulation and electrical safety.

Compact Footprint

The vertical design allows for installation in narrow wells, maximizing space efficiency without sacrificing pumping power.

Simplified Maintenance

Designed for easy disassembly of the pump shaft and impellers, reducing downtime during routine inspections.

Product Gallery

135QJ Deep Well Submersible Pump China Factory and Professional Suppliers
135QJ Deep Well Submersible Pump China Factory and Professional Suppliers
135QJ Deep Well Submersible Pump China Factory and Professional Suppliers

Management Platforms

Installation Support

Comprehensive guides for wellbore measurement and pump alignment to prevent vibration.

Electrical Protection

Integration with overload, phase, undervoltage, and grounding protection devices.

Operational Monitoring

Strict monitoring of current stability and insulation resistance to prevent motor burnout.

Water Quality Control

Ensuring PH levels (6.5-8.5) and impurity ratios (≤0.01%) for optimal pump life.

Lifecycle Maintenance

Scheduled disassembly every 1-2 years to replace wearing parts like impeller sleeves.

Winter Storage Care

Protocols for draining motor cavities to prevent ice damage in freezing temperatures.

Investment Return Comparison

Comparison FactorStandard Pumps135QJ Series Pump
Installation EffortHigh ComplexityCompact & Simple
Sand ResistanceBasic SealsDual Seals + Sand Ring
Cooling SystemStandard CoolingWater-Cooled Wet Motor
Maintenance CostFrequent ReplacementLow-Wear CAD Design
Operational LifeStandard LifeExtended via High Insulation

Frequently Asked Questions

Q: What are the primary applications of the 135QJ submersible pump?

It is ideal for deep well water intake, agricultural and garden irrigation, high-rise water supply, municipal engineering, and industrial drainage.

Q: How do I prevent the motor from burning out during operation?

Ensure the pump is completely immersed, use external overload protection, and maintain a water output between 0.7 and 1.2 times the rated flow.

Q: Can this pump handle muddy or sandy water?

No, this pump is designed for clean water. Pumping sediment or muddy water is strictly prohibited as it can damage the internal components.

Q: What is the required installation depth for the pump?

The immersion depth should not exceed 70 meters, and there must be a minimum distance of 3 meters between the pump bottom and the well bottom.

Q: How should the pump be stored during winter?

You must drain the water from the motor cavity to prevent freezing and ice damage, then store the unit indoors below 40°C.

Q: What is the recommended maintenance cycle for these pumps?

If operated for more than a year annually, or immersed for two years, the pump should be disassembled for inspection and wearing parts replacement.

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