Permanent Magnet Oil-Immersed Pump – 94% Efficiency PM Motor Irrigation Pump with Smart Controller (3-22kW)

Permanent Magnet Oil-Immersed Pump – High-Efficiency PM Motor Irrigation Pump with Smart Controller

Compact powerhouse with revolutionary 94% motor efficiency. The 4kW unit weighs only ~20kg — dramatically easier to handle and install than conventional pumps. Built-in smart controller with comprehensive protection plus stepless flow and head adjustment eliminates the need for throttling valves.

Technical Specifications:

• Power: 3 – 22 kW
• Flow Rate: 25 – 350 m³/h
• Head: 5 – 75 meters
• Sizes Available: 2.5″ / 3″ / 4″ / 6″ / 8″ / 10″ / 12″
• Motor Efficiency: 94% (permanent magnet synchronous)
• Motor Poles: 8-pole design (easy on-site maintenance)
• Winding Wire: Class 180 (Jintian listed company) enameled copper wire
• Core Material: Baosteel Grade 470 silicon steel sheet
• Sealing: Fluororubber + silicon carbide composite seal
• Shaft Material: 304 stainless steel (Qingshan listed company)
• Magnet: NdFeB 38SH high-temperature grade
• Smart Controller: Phase loss, no-load, over-current, overload protection; stepless adjustment
• Soft start/stop: Eliminates water hammer, protects pipeline infrastructure

Applications: Agricultural irrigation, industrial fluid transfer, water supply systems, municipal waterworks, pressure boosting stations.