Motor Coil
Wound by automatic wire inserting machine. All enameled wires are made of 180-degree high-temperature wires, and the stators are made of 600 cold-rolled silicon steel sheets.
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Water For Life With Solar Power
- Solar Submersible Pump
Use solar power to pump groundwater. Provides a cost-effective way to supply users with safe and clean water.
- Solar Surface Pump
Your preferred irrigation system. Automated systems reduce operating costs while increasing crop yields.
- Solar Pool Pump
Using a solar pool pump makes a lot of sense, and pools tend to get more use when the sun is shining.
- DC Water-filled Motor Solar Pump
Submerging depth can reach 150 metersMore energy saving and environmental protection with water-filled motor
- High Speed Deep Well Pump
The whole pump is small volume, saving the pump installation cost into the well.Maximum 6000RPM.
- Solar Aerator Pumps
Reduce reliance on the grid, reduce carbon emissions and reduce operating costs to ensure your production is on target.
- Water Pump Controller Technology
MPPT technology maximizes the power utilization of photovoltaic modules and continues to improve.
- Pump Motor Technology
Water-filled motors ensure reliability and avoid oil contamination. Brushless DC motor is specially designed for solar power.
Home / Magnet Motor Technology
Difful's Brushless DC Permanent Magnet Motor Technology
Manufacturing process of high-quality DC permanent magnet brushless motors for solar water pumps.
NO.1-1
NO.1-2Motor Coil
The coil after processing is subjected to turn-to-turn and withstand voltage tests. Qualified products are dipped in paint to increase the insulation and firmness of the coil.
NO.2Laser Marking on Motor Barrel
After being checked by the quality inspector, laser marking is carried out according to the customer's requirements.
NO.3Install the Oil Sac and Press the Circlip Cover
Press-fits the motor circlip cover with fully automatic press-fitting equipment.
NO.4Coil Pressing Process
Motor coil press-fitting with precise positioning.
NO.5Motor Size Measurement
The size of each press-fitted motor is measured. After passing the test, the motor can be put into production.
NO.6Motor Wiring
For the welding of the oil cylinder cable and the lead wire of the motor coil, double-walled tubes are used to protect the welding point with insulation.
NO.7Press-fitting of the Rotor
The rotor adopts 304 stainless steel shaft, which avoids the risk of broken shaft. The magnet is made of 40SH aluminum iron boron material, and the temperature resistance can reach 150 ℃.
NO.8Installing of the Mechanical Seal
The mechanical seal is made of silicon carbide impregnated with graphite, and the sealing performance of the motor is stronger.
NO.9Press-fitting of the Cylinder
After the oil cylinder is press-fitted, the sealed semi-finished motor is completed
NO.10Motor Test
The installed motor will undergo power-on test and air tightness test to ensure the tightness and stability of the motor.
NO.11Oiling the Motor
After passing the inspection, the motor is vacuum filled with lubricating oil, and a high-quality motor is completed.
Solar DC Submersible Pump Reviews
Innovative Technology-leading Solar Pump Manufacturer
- Location:
- South Africa
- Model:
- 3DSS1.2-56-24-120
3 Inch DC Screw Solar Submersible Pump Application Feedback
DIFFUL solved the problem of domestic water supply for me. The water pump I used only needs a 200w solar panel, which can satisfy the water supply of our whole family.
- Location:
- Zambia
- Model:
- 4DPC9-58-110-1300
4 Inch DC Plastic Impeller Submersible Pump Application Feedback
The quality of the water pump is very good, and the delivery is very timely. They track the transportation status of the goods actively and give us timely feedback. The water pump is now running very well.
- Location:
- Kenya
- Model:
- 3DPC3.5-95-72-750
3 Inch DC Plastic Impeller Submersible Pump Application Feedback
Used to replace the previous electric pump. The water pump works with three 330w solar panels for a 60m deep well. The water pump works very well, even on cloudy days.
Solar Submersible Pump Services
Innovative Technology-leading Solar Pump Manufacturer
Pre-sale Service
- 24 hours online, response within 1 hour
- Provide complete solutions
- Support Distribution, OEM, ODM
Enforcing Contracts
- Standardized service process
- Professional product inspection before leaving the factory
- Provide order tracking and logistics tracking
After-sale Service
- 2 years warranty; provide solutions within 24 hours
- Provide installation, maintenance and repair videos
- Online training available
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