The brushless centrifugal pump works by rotating the impeller to cause the centrifugal motion of the water. Before the pump is started, the pump casing and the suction pipe must be filled with water (without self-priming function), and then the motor is started to drive the impeller and the water to rotateat a high speed. The water has centrifugal motion and thrown towards the edge of the impeller,the pressurized water pipeline that flows into the pump through the flow channel of the volute pump casing
Due to its closed static seal, the liquid is completely isolated from the motor, thus avoiding medium leakage. And the stator and circuit board parts of the pump can be potted with epoxy resin to achieve 100% waterproof, so users of the potted pump can use it underwater.
Various desired parameters can be adjusted through the stator windings and can operate at a wide range of voltages. The operating noise of the brushless DC pump is lower than that of the brushed DC pump with the same performance, which is lower than 22dB(A).
The brushless DC pump has higher efficiency, so it can achieve the same performance with lower power consumption compared to the brushed DC pump. In addition, the brushless pump does not require separate lubrication and water cooling, thus reducing a lot of energy consumption.
When the BLDC pump operates in an overload condition, it triggers the overcurrent protection in the circuit board, which protects the motor and pump. During the long-term operation of the brushed pump, the carbon brushes will heat up and wear for a long time, resulting in burn-in and short life.
The brushless DC pump adopts a permanent magnet motor, and the rotor drives the impeller to rotate, which has the effect of resistance and vibration reduction, thereby reducing the impact of the vibration of the brushed motor on the pump. It can also reduce the impact on the motor when the pump has cavitation vibration.
Brushless DC pumps are driven by brushless DC motors. The torque of the motor is the magnetic field generated by the coil on the silicon steel sheet (stator), which drives the permanent magnet (rotor) to work. The magnetic force generated by the magnet drives the impeller to rotate at a high speed, causing the liquid to generate centrifugal force, throw it from the center to the surroundings, send it to the drain pipe through the pump casing, and transport it to the working point. Compared with brushed motor pumps, brushless motor pumps do not need carbon brushes, but are electronically commutated, so it called brushless DC pump.
According to different application industries, we recommend different models of micro brushless centrifugal pumps to customers, and provide different solutions.
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We can customize the size and performance parameters for you, and provide different motor types and electronic components to meet different application requirements.
