Brushless DC pump production and design manufacturers - ET Technology LTD

Brushless DC pump

A.Technical Concept

    Brushless DC Pump uses the principle of permanent magnet brushless DC motor, coupled with the impeller in the rotor, the housing structure designed to form the chamber for operating fluid flow, characterized by security, because there is no brush friction, so there is no spark; high efficiency, low power consumption (energy-efficient, effective power of 70%) than brush motors and long life (up to 10,000 hours or more), low noise (below 40 dB in one meter).

B.Product Specification

  1. Brushless DC pump series have 4.5V,5V, 6V, 9V, 12V, 13.8V, 24V.
  2. All series can be based on customers’ specifications, pressure / flow and matched with the required electrical design plus required In / out water pipe.
  3. General application can refer to standard parts.

C.Technical data

    Series Voltage
    Flow rate@0 Bar
    Working mode
    Min. Max. Min. Max. Min. Max.
    BL2301 4.5 12 100 400 0.6 2.0 2.0 Continuous
    BL3001 5 24 100 700 3.5 4.5 3.0 Continuous
    BL3002 5 12 100 500 1.5 3.0 3.0 Continuous
    BL3601 6 24 500 1000 5.0 10.0 6.0 Continuous
    BL3602 6 24 500 1200 5.0 10.0 7.0 Continuous
    BL4501 8 24 1000 2800 15.0 25.0 4.0 Continuous

D.Product performance

  1. Liquids should be no residual, so as not to block the rotor to run, but the capacity to exclude particles is stronger than the piston pump.
  2. Working environment: ambient temperature -40 to 125 degrees Celsius.
  3. High temperature of working environment: according to customer requirements, the water pump can be operated under 80-100 degrees ; these pumps need to change the material level, to enhance resistance to temperature.
  4. Flow stability: The Speed Control circuit technology is able to stabilize the voltage changes and load changes, water flow is very stable. In particular, it is suitable for users who have the demand for a steady flow, the flow tolerance was <±10%。
  5. Low noise: noise lower than the other type, between the 40-50db, based on the volume of water flow.
  6. Solar features: 30 ,36 series and 45 series have DC power or solar power option (solar water pumps can be connected to the solar cells).
  7. Diving feature: according to customer requirements, the pump can function with diving; motor in the chassis with the resin encapsulation, waterproof performance, high dielectric strength, safety and reliability.
  8. Provided with stainless steel or precise ceramic shaft,low wearability and corrosion free, either fresh water or sea water can be used, minimizied maintenance.

E.Installation & Packing

    Submerge   submersible or Non-submersible pump (Optional)
    Functional   No leakage
    Installation   Below the liquid level
    Mounting   Easy and reliable, If use rubber stand for pump fixation,can minimize the noise.
    Packing   Fulfills transportation test with master carton, for behaviour in climatic and drop test.


  1. The supply of fluid features
    Such as: Coffee machine, tea pot, water heater / kettle, water dispenser / drinking machine, full bath, irrigation system / equipment.
  2. Fuel efficient / energy-saving features
    Such as: all kinds of machine tools, fuel and equipment.
  3. Cooling / water circulatory function
    Such as: medical systems / equipment, automation equipment, electronic refrigerator, small indoor and outdoor fountains, solar fountain, hot and cold mattress, cushion or care products.
  4. Drainage
    Such as: mobile air conditioner.
  5. Wash function
    Such as: various types of car wash systems / equipment.

H.Testing Procedure


MICRO PUMP products

  • Diaphragm Pump/vacuum Pump A23 Series
  • Diaphragm Pump/vacuum Pump R40 Series
  • Solenoid Pump M Series
  • Solenoid Pump F Series
  • Solenoid Pump H Series
  • Solenoid Pump HF Series
  • Solenoid Pump E Series
  • Brushless Pump BL23 Series
  • Brushless Pump BL30 Series
  • Brushless Pump BL36 Series
  • Brushless Pump BL45 Series

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