Product Overview

The 175QJB Deep Well Submersible Pump is a high-performance solution engineered for efficient water extraction in deep wells and specialized applications. Developed by Hebei Aochite Water Supply and Drainage Equipment Technology Co., Ltd., this pump adheres to rigorous industry standards, including GB/T 2816-2014 for well submersible pumps and GB/T 2818-2014 for submersible asynchronous motors. Its design prioritizes durability, energy efficiency, and adaptability to diverse water conditions.

The pump's frequency conversion technology ensures smooth operation between 1Hz and 50Hz, reducing energy consumption and extending the motor's lifespan. Its water-resistant motor winding is engineered to withstand high-frequency shocks, pulse peak voltages, and high-temperature aging, making it ideal for demanding environments.

Key Features and Advantages

1. Advanced Motor Design

The 175QJB features a water-filled wet submersible three-phase asynchronous motor. The motor cavity is filled with clean water for cooling and bearing lubrication, while a pressure-regulating film at the bottom adjusts for temperature-induced pressure fluctuations. This design ensures stable performance even under variable load conditions.

2. Sand-Prevention Mechanism

To prevent sediment ingress, the motor shaft is equipped with dual oil seals and a sand ring. This sand-resistant structure minimizes wear on internal components, ensuring long-term reliability in turbid water environments.

3. Robust Lubrication System

The pump and motor bearings utilize water lubrication, eliminating the need for additional oils or greases. This not only simplifies maintenance but also reduces the risk of contamination in sensitive applications.

4. Energy Efficiency and Durability

With a motor efficiency of up to 81.5% and power factors ranging from 0.79 to 0.84, the 175QJB optimizes energy usage. Its high-quality submersible motor winding wire provides superior insulation, while CAD-designed components ensure a compact, efficient structure.

Technical Specifications

The 175QJB offers a wide range of configurations, with flow rates from 10 to 325 m³/h and heads up to 364 meters. Its rated power varies between 3kW and 37kW, making it suitable for both small-scale and industrial applications.

Application Scenarios

• Deep Well Water Intake: Extracts water from depths up to 70 meters, ideal for groundwater sourcing in arid regions.
• High-Rise Water Supply: Provides consistent pressure for multi-story buildings and urban infrastructure.
• Agricultural Irrigation: Efficiently distributes water for large-scale farming, ensuring optimal crop yields.
• River and Pond Water Intake: Supports water management in reservoirs, lakes, and irrigation canals.
• Industrial Cooling Systems: Maintains stable water flow for machinery and process cooling applications.

Company Background

Hebei Aochite Water Supply and Drainage Equipment Technology Co., Ltd. is a leading manufacturer of submersible pumps and motors, specializing in custom solutions for non-standard applications. With over a decade of experience, the company adheres to GB/T 2816-2014 and GB/T 2818-2014 standards, ensuring compliance with global quality benchmarks.

Hebei Aochite offers OEM services, allowing clients to specify unique requirements for pump design, materials, and performance. Their commitment to innovation and customer-centric solutions has positioned them as a trusted partner in water management systems worldwide.

Safety and Installation Guidelines

The 175QJB requires strict adherence to safety protocols:

• Ensure water temperature does not exceed 20°C and solid impurities are below 0.01%.
• Fill the motor cavity with clean water before operation to prevent overheating.
• Install overload protection devices and avoid no-load testing.
• Mount the pump vertically, maintaining a 3-meter distance from the well bottom.

For installation, refer to the Hebei Aochite technical manual to ensure proper assembly and alignment.

Maintenance and Storage

Regular maintenance is critical for optimal performance:

• Check insulation resistance and three-phase continuity after installation.
• Inspect for wear on impellers, shaft sleeves, and sealing rings.
• Store in a dry, non-corrosive environment with temperatures below 40°C.

Following the manufacturer's guidelines, the 175QJB can operate reliably for years with minimal downtime.

References

1. NIST Standards for Submersible Pumps – Provides technical guidelines for pump efficiency and safety.

2. NIST Technical Reports on Motor Design – Details on insulation resistance and material durability.