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Application — Irrigation

BLDC Motor For Irrigation And Solar Water Pumping.

Irrigation systems in remote fields often run on solar power with no grid connection. Brushless DC motors convert solar panel output to pump flow with 85-92% efficiency, accept variable voltage without stalling and operate for years without brush replacement in dusty outdoor conditions. Shenghe supplies BLDC pump motors, center pivot drives and valve actuators built for unattended solar-powered irrigation.

  • 12V / 24V / 48V solar panel direct drive
  • 50W — 1000W rated power range
  • IP65 standard for outdoor field installation
  • Low standby power for battery-backed systems
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Why BLDC For Irrigation

What Makes Brushless Motors The Standard For Solar Pumping

  • 85-92% motor efficiency maximizes liters per watt of solar power
  • Variable speed from MPPT controller — no battery required
  • No brush replacement in remote unattended installations
  • IP65 sealing handles rain, mud, and agricultural chemicals
  • Low starting current — starts reliably at low morning irradiance
  • Wide operating voltage range tolerates solar panel fluctuations

Typical Irrigation Motor Spec Range

ParameterRange
VoltageDC 12V / 24V / 48V
Rated power50 W — 1000 W
Motor speed1500 — 3600 RPM
Gear ratio5:1 — 100:1 (planetary or worm)
Output torque1 Nm — 80 Nm
ProtectionIP65 / IP67
ShaftStainless steel standard for wet duty
Operating temp-25 °C to +65 °C

Typical Irrigation Use Cases

  • Drip irrigation pumps: Low-pressure, variable-flow pump drives for row crop and orchard drip lines
  • Center pivot drives: Tower wheel motors for large-field circular irrigation systems
  • Valve actuators: Motorized ball and butterfly valves for zone control on manifolds
  • Fertigation dosing: Precision metering pump drives for fertilizer injection into irrigation lines
  • Borehole submersible pumps: Deep-well BLDC motors for solar-powered groundwater extraction
  • Surface water transfer: Portable pump drives for canal-to-field water movement
  • Greenhouse misting: High-pressure micro-sprayer pump drives for humidity control

Durability Details For Outdoor Water Systems

  • Stainless steel shaft: Resists corrosion from water, fertilizer and soil minerals
  • Ceramic mechanical seal: Outlasts rubber lip seals in sandy water conditions
  • Potted cable entry: IP67-rated for submersible and flood-prone installations
  • UV-resistant enclosure: Paint and connector materials rated for direct sun exposure
  • Lightning/surge protection: TVS diodes on power input for solar array transients
  • Low standby draw: Controller draws < 0.5 W in sleep mode for battery conservation

Motor For Your Irrigation System?

Send your solar panel wattage, required flow rate, head pressure, pipe size and quantity. We recommend a motor-pump combination optimized for your irrigation layout and quote within one working day.

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