Submersible Axial Flow Pump for Irrigation

The JINAOTE Submersible Axial Flow Pump for Irrigation is designed for large-volume water transfer applications where high flow rate and low head performance are required. Unlike conventional centrifugal pumps, axial flow pumps provide efficient operation for river water intake, agricultural irrigation channels, flood drainage stations, and large-scale water management projects.

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Product Description

The JINAOTE Submersible Axial Flow Pump for Irrigation is engineered for large-volume water transfer applications requiring high flow capacity and low operating head.

Designed with an integrated submersible motor and pump structure, this series provides a practical solution for agricultural irrigation systems, river water intake stations, flood drainage projects, and municipal water management facilities where continuous and reliable water transfer is required.

Compared with conventional dry-installed axial flow pump systems, the submersible design simplifies installation, reduces pump station construction requirements, and improves operational stability in environments with fluctuating water levels.

Product Structure and Operating Principle

The motor is positioned above the pump section, and the complete unit operates submerged in water.

The main structural features include:
• Integrated pump-motor configuration
• Adjustable impeller blades
• Fully enclosed submersible motor
• Mechanical sealing system
• Automatic monitoring protection system

When viewed from the inlet side, the impeller rotates counterclockwise.

The adjustable impeller design allows the pump to maintain efficient performance under different operating conditions, making it suitable for applications with changing flow requirements.

Submersible Axial Flow Pump for Irrigation

Why Choose a Submersible Axial Flow Pump for Irrigation?

1. Designed for High Flow and Low Head Conditions

Axial flow pumps are specifically designed for applications where a large amount of water needs to be moved with relatively low pressure requirements.

Typical applications include:
• Agricultural irrigation channels
• River water intake systems
• Reservoir water transfer
• Flood control pumping stations

2. Space-Saving Pump Station Design

Traditional pump stations usually require:
• Separate motor installation
• Large equipment rooms
• Complex alignment work

The integrated submersible structure allows the pump unit to operate directly underwater, reducing above-ground construction requirements and making it suitable for locations with limited space.

3. Stable Operation Under Variable Water Levels

For irrigation and flood control projects, water levels can change significantly.

The submersible motor design provides:
• Effective motor cooling
• Reduced operating noise
• Reliable continuous operation

QZB and QHB Series Selection Guide

Choosing the correct pump type depends mainly on flow requirements, head conditions, and application environment.

Series	Pump Type	Recommended Applications
QZB	Submersible Axial Flow Pump	High flow and low head water transfer applications
QHB	Submersible Mixed Flow Pump	Higher head applications with changing water levels

Select QZB Axial Flow Pump When:

Large water volume transfer is required Pumping head is relatively low Continuous irrigation or drainage operation is needed

Select QHB Mixed Flow Pump When:

Higher head performance is required Water level changes significantly Better hydraulic adaptability is needed

Pump Model Selection Guide

The JINAOTE QZB series is available in multiple sizes to meet different project requirements.

Example: 700QZB-100

Code	Description
700	Pump outlet diameter (mm)
QZB	Submersible axial flow pump series
100	1/10 of PumpSpecific Speed

Available Model Range

Model Series	Typical Application
350QZB Series	Small irrigation and water transfer projects
400QHB Series	Medium flow mixed flow applications
500QZB Series	Agricultural irrigation and municipal water transfer
600QZB Series	Industrial and large irrigation systems
700QZB Series	Large-scale drainage and water management projects
800QZB Series	High-capacity water transfer applications
900QZB Series	Large engineering projects requiring high flow performance

Available models include

350QZB-50, 350QZB-70, 350QZB-70(A), 350QZB-85, 350QZB-100, 350QZB-125,
400QHB-40, 400QHB-50,
500QZB-50, 500QZB-70, 500QZB-85, 500QZB-100, 500QZB-125, 500QZB-160,
500QHB-40, 500QHB-50,
600QZB-50, 600QZB-70, 600QZB-85, 600QZB-100, 600QZB-125,
600QHB-50, 600QHB-50A,
700QZB-50, 700QZB-70, 700QZB-85, 700QZB-100, 700QZB-125, 700QZB-160,
700QHB-50,
800QZB-50, 800QZB-70, 800QZB-100,
900QZB-85, etc.

Main Applications and Operating Environments

The QZB and QHB axial-flow submersible pumps are widely applicable for use in industrial and mining facilities, shipyards, urban water supply and drainage systems, agricultural irrigation, and power plant water supply and drainage systems.

The QZB axial-flow submersible pump is suitable for applications requiring low head and high flow rates; the QHB mixed-flow submersible pump features high efficiency and excellent cavitation resistance, making it suitable for applications with significant fluctuations in water level and relatively high head requirements.

These products are designed to handle raw water or lightly contaminated wastewater, with a maximum liquid temperature of 50°C, a pH range of 4 to 10, a volumetric ratio of suspended solids below 2%, and a specific gravity of less than 1.2 × 10³ kg/m². Using these products is the most effective solution for flood protection of power station motors in riverine and lakeside areas where water levels fluctuate significantly.

Product Structure Description

The motor of the Submersible Axial Flow Pump for Irrigation is located above the pump. The submersible motor features a dry-type design with Class F insulation, reliable mechanical and auxiliary seals, and is equipped with protection devices against leakage and against temperature rise in the internal windings and bearings.

It comes with a control cabinet, ensuring safe and reliable operation. The pump is suitable for a wide range of water qualities and environmental conditions, features adjustable impeller blades, and operates over a broad range of operating conditions.

When viewed from the inlet, the impeller rotates counterclockwise.

Frequently Asked Questions

What is the difference between an axial flow pump and a mixed flow pump?

Axial flow pumps are designed for very high flow rates and low head conditions, while mixed flow pumps provide better performance when higher head and changing operating conditions are required.

Can a submersible axial flow pump be used for river water irrigation?

Yes. The QZB series is suitable for transferring raw water from rivers, reservoirs, and irrigation channels when the water contains limited suspended particles.

Why choose a Submersible Axial Flow Pump for Irrigation instead of a traditional pump station?

The integrated submerged structure reduces installation requirements, improves motor cooling, lowers noise, and allows flexible installation in locations with limited space.

What information is needed before selecting a pump?

Customers should provide:
Required flow rate
Pump head
Water source conditions
Installation method
Power supply requirements
Our engineers can recommend a suitable pump model based on project conditions.