Shandong Ouruian Electric Co., Ltd.
Shandong Ouruian Electric Co., Ltd.

Motor Water Cooling Radiator

Ouruian’s precision-engineered water cooling radiators ensure optimal thermal regulation for high-performance motors, reducing heat-related failures by up to 70%. Made from aerospace-grade aluminum with patented turbulent-flow fin design, our radiators maximize heat dissipation while maintaining compact, lightweight construction. Trusted by EV, industrial automation, and renewable energy leaders for continuous, reliable cooling under extreme loads.

  • Water Cooling Radiator
  • Liquid Cooling Radiator
  • Cooling Water Radiator
  • Liquid Cooling External Radiator
  • Water Cooling Radiator
  • Liquid Cooling Radiator
  • Cooling Water Radiator
  • Liquid Cooling External Radiator

Specifications of Motor Water Cooling Radiator


Self-circulating Water Chiller

TypeWater tank volume(L)Rated flow Q
(m3/h)
Operating
fux(L/min)
Water pump power  (kW)Fan power
(kW)
Heat
dissipation power(kW)
Adapted PMSM  power(kW)Length×Width   ×Height(mm)Weight
(kg)
CL-300300650420P≤1601350×1100×1150545
CL-500500665440P≤3151350×1100×1150590
CL-70070081005.565P≤6301500×1300×1350740
CL-900900101504490P≤10002000×1200×1300950
CL-10001000152005.55.5120P≤12501700×1200×17301100


General water quality standards for cooling water(GB/T 19923):

ItemCooling water quality requirements
PH7-8.5
Suspended solids(mg/L)≤10
Turbidity(NTU)≤5
Total alkalinity(calculated as CaCO₃/mg/L)≤250
Sulfate(mg/L)≤250
Ammonia nitrogen(mg/L in N)≤10
Total dissolved solids(mg/L)≤1000
Petroleum(mg/L)≤1

Notes:

  • To ensure safety,please read this chapter carefully before using the water chiller and follow the requirements during transportation, installation, operation, commissioning, and maintenance.

  • Users should pay attention to the ambient temperature around the water chiller during winter, which should not be lower than 0℃, to prevent the cooling water from freezing and causing damage to the water chiller. Special treatment is required under extremely cold conditions before use.

  • When using the water chiller, it is necessary to ensure that the water outlet is unobstructed and not blocked to avoid excessive water pressure and damage to the water chiller.

  • When users need to shut down and disconnect the power cord, special tools must be used to discharge the wiring terminals of the water chiller to avoid electric shock.

  • The introduced cable core wire must be tightly fixed with a wiring pressure plate to prevent cable movement, otherwise it is easy to have a short circuit, causing discharge and explosion.

  • It is strictly prohibited to open the lid with electricity.

Operation Steps:

  • Before starting up, fill the water tank with water(about 90%) and check if all interfaces are properly installed.

  • Check if the two DN32 ball valves have been opened(handle in the direction of the pipeline).

  • Check the pressure reducing valve and ensure that the adjustment bolts of the pressure reducing valve are tightened (note: tightened before leaving the factory).

  • Power on the motor, check if the motor direction is correct, and the cooling fan is in the suction mode.

  • After starting up, open the DN10 ball valve on the filter until water flows out and close it.

  • After 10 minutes of normal operation, when the water level in the water tank no longer drops, fill the tank with water and it can run normally.

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