QG Series
Deep Well Pump

QG Series · Reliable Groundwater Extraction

Screw-type submersible pump with integrated motor. Ideal for clean water extraction from narrow boreholes with high head requirements.

2"-4"
Borehole
100m
Max Head
2850
RPM
8
Models
Stainless
Steel

Find The Right Model

Select your requirements and find the most suitable QG Series pump model.

Matching Models (8 models found)

ModelPowerHPMax. FlowMax. HeadOutlet
2QGD1-50-0.370.37 kW0.51 m³/h50 m1"
3QGD1.2-50-0.370.37 kW0.51.2 m³/h50 m1"
3QGD1.2-60-0.550.55 kW0.751.2 m³/h60 m1"
3QGD1.2-100-0.750.75 kW11.2 m³/h100 m1"
4QGD1.2-60-0.370.37 kW0.51.2 m³/h60 m1"
4QGD1.2-70-0.550.55 kW0.751.2 m³/h70 m1"
4QGD1.2-90-0.750.75 kW11.2 m³/h90 m1"
4QGD1.2-100-1.11.1 kW1.51.2 m³/h100 m1"

Model Details

2QGD1-50-0.37
Power
0.37 kW
Horsepower
0.5 HP
Max. Flow
1 m³/h
Max. Head
50 m
Outlet
1"
Voltage
1~220-240V

Performance Curve

No curve data

Curve data from official 2022 catalog. Tolerance according to ISO 9906.

High Efficiency

Multi-stage hydraulic design delivers up to 78% efficiency for energy savings.

Sand Resistant

Floating impeller design tolerates sandy water conditions in boreholes.

Stainless Steel

AISI 304 pump body, shaft and impellers for corrosion resistance.

Deep Extraction

Extracts water from 2"-4" boreholes up to 100m depth.

OEM & ODM

Custom branding, packaging and technical support available.

Typical Applications

Agricultural Irrigation

Industrial Water Supply

Remote Communities

Livestock Watering

Technical Overview

Borehole Size
2"-4"
RPM
2850
Total Models
8
Max Head
100 m
Power Range
0.37 – 1.1 kW
Voltage
1~220-240V
Series Family
QG

Screw-type submersible pump with integrated motor. Ideal for clean water extraction from narrow boreholes with high head requirements.

Frequently Asked Questions

How deep can the QG Series pump extract water from?

The QG Series series delivers water from boreholes up to 100m deep through 2"-4" diameter wells. The multi-stage design ensures stable pressure even at maximum depth.

What is the difference between single-phase and three-phase models?

Single-phase (M suffix, e.g. 2QGD1-50-0.37) runs on standard 220-240V household power. Three-phase models run on 380-415V industrial power for higher efficiency. Both deliver the same hydraulic performance.

How do I choose the right model for my well?

Use the filter above to set your required head (depth + elevation + pipe friction) and flow. Choose the model that operates near the best efficiency point of the curve. Contact us for professional sizing assistance.

What material is the pump made of?

All ALFAGRAND deep well pumps feature AISI 304 stainless steel construction for the pump body, shaft, coupling, and impellers. This ensures excellent corrosion resistance and long service life in groundwater applications.

What is the warranty period?

Standard warranty is 3 years. Extended warranty options available for OEM/ODM orders. Warranty covers manufacturing defects under normal operating conditions.

Need Help Choosing The Right Deep Well Pump?

Our experts are ready to help you find the best QG Series model for your application.

High Quality
ISO 9001 Certified
Strict Testing
100% Factory Tested
Global Support
24/7 Technical Help
Long Service Life
18 Months Warranty