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Jul . 21, 2025 12:01 Back to list

250QJB Deep Well Submersible Pump | High Efficiency & Durable

Industry Overview and Technological Advancements

The deep well pumping industry has witnessed significant transformation in recent years. As drilling depths increase and water scarcity challenges intensify, robust solutions like the 250QJB Deep Well Submersible Pump become indispensable infrastructure components. According to the International Water Association's 2023 report, deep well submersibles represent 68% of new installations in agricultural and industrial sectors globally, a 12% increase since 2020.

250QJB Deep Well Submersible Pump | High Efficiency & Durable 250QJB Deep Well Submersible Pump | High Efficiency & Durable 250QJB Deep Well Submersible Pump | High Efficiency & Durable

Manufacturers like Hebei Aochite Water Supply and Drainage Equipment Technology Co., Ltd. have pioneered innovations such as the 250QJB series, compliant with GB/T2816-2014 and GB/T2818-2014 standards. These pumps now incorporate advanced corrosion-resistant materials and energy optimization technologies that improve efficiency by 30-40% over previous generations.

Technical Specifications Overview

The 250QJB Deep Well Submersible Pump features specialized engineering components designed for optimal performance in demanding environments:

Parameter Value Standard
Max Flow Rate 200 m³/h GB/T2816-2014
Max Head Capacity 250 meters GB/T2818-2014
Motor Power Range 15-30 kW IEC 60034-30
Operating Temperature 0°C to +40°C ISO 5199
Material Composition Stainless Steel 304/316 ASTM A240
Max Submersion Depth 150 meters ISO 9906

Performance Characteristics & Efficiency Analysis

Application Scenarios & Use Cases

The 250QJB Deep Well Submersible Pump serves diverse applications across multiple industries:

  • Agricultural Irrigation: Enables consistent water delivery across terraced fields with 98% operational reliability even in sandy conditions
  • Industrial Water Supply: Powers cooling systems in manufacturing plants with 200m³/h continuous flow capability
  • Municipal Water Systems: Proven in municipal deep-well applications serving populations up to 5,000 residents
  • Mine Dewatering: Corrosion-resistant construction handles mineral-heavy water conditions at 150m depths

A case study published in the Journal of Hydraulic Engineering demonstrated that Aochite's 250QJB series reduced energy consumption by 35% compared to conventional pumps in similar operating conditions.

Technical FAQ: Expert Insights on the 250QJB Series

What materials ensure corrosion resistance in the 250QJB pump components?

The 250QJB Deep Well Submersible Pump utilizes marine-grade 316 stainless steel for critical components including impellers, shaft sleeves, and motor housings. Additional chromium-nickel alloy coatings provide protection against acidic and saline environments common at depths beyond 100 meters.

What installation standards apply to deep well submersibles like the 250QJB?

Installation must comply with GB/T2816-2014 standards specifying minimum well diameter requirements, electrical cable protections, and torque specifications. Aochite recommends professional installation with specialized tooling to maintain the pump's 5-year operational warranty.

What voltage specifications does the 250QJB series support?

The pump motor supports three-phase 380V systems with ±10% tolerance. Models can be customized for 415V or 480V configurations for international applications while maintaining 0.9 power factor efficiency.

How is thermal protection implemented in the 250QJB motor design?

The motor incorporates embedded PTC thermistors and overload protection that automatically shuts down operation when temperatures exceed 135°C, with auto-reset capability once normalized.

What particle size can the 250QJB pump handle without damage?

The multi-stage filtration system safely handles sand particles up to 0.5mm diameter at concentrations under 50g/m³. For higher sediment loads, our custom screen options provide 150-micron filtration.

What distinguishes the 250QJB's bearing system from conventional pumps?

The pump employs dual-sealed deep groove ball bearings rated IP68 with water-lubricated sintered bronze bushings that extend maintenance intervals to 8,000 operating hours, twice the industry standard.

Can the 250QJB operate in artesian well conditions?

Yes, with specialized modification including reinforced thrust bearings capable of withstanding reverse flow pressures up to 25 bar. Customized models can include pressure-balanced shaft seals for artesian applications.

OEM Solutions & Custom Engineering

Hebei Aochite provides comprehensive OEM services for specialized pumping requirements. Our technical capabilities include:

  • Non-standard materials engineering for extreme environments
  • Variable frequency drive integration for precise flow control
  • Monitoring system interfaces including SCADA and IoT platforms
  • Hazardous location certifications for explosive atmospheres

Our R&D center collaborates with clients to prototype custom designs within 6-8 weeks, significantly accelerating deployment timelines for specialized applications.

Engineering & Technical Support

Contact our technical team for custom specifications:

Industry References & Technical Resources



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