Electric submersible small progressive cavity pump

Electric submersible small progressive cavity pump

RV screw pump is an American standard designed for small flow liquid
Special structure pump designed for body transfer system. It has a general structure
In addition to its working characteristics, it has the following advantages:

θ  Axial dimensions are small, 1/3-1/2 shorter than conventional pumps, and pumps tend to be miniaturized.
Temperature impact small, low working torque.

θ  Absorption capacity is strong, up to 7-8m, even at very low speed, flow stability.
Usually used as dosing pump for measurement.

θ  Low energy consumption, suitable for the miniature pump, even 40W motor can work normally.

θ  RV product models of 0.4, 0.8 and 1.5 are expressed as at 0MPa.
At 400r/min, the flow rate is 0.4 l /min, 0.8 l /min. 1.5l, the latter number is 3, which can produce 1.6-1.8mpa work stress.

θ  Similarly, the previous Numbers of 3.2, 6.2 and 12.2 are shown at 0MPa and 400r/min
The flow rate is 3 liters per minute. 6 liters, 12 liters, the latter number 2 is 2
The stage pump can produce 1.01-1.2mpa working pressure.

Installation dimensions of RV screw pump:

                                                Screw pump structure diagram

Screw pump working principle of the video:

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