FIELD: oil and gas industry.
SUBSTANCE: device includes filter element installed in the lower part and made in the form of perforated pipe and filter screen enveloping it, electromagnetic protector and corrosion-resistant protector. Filter element is provided with intermediate perforated pipe with formation of labyrinth guide channel. Gauze is made from non-metallic material. Electromagnetic protector is connected by means of perforated connection pipe to the bottom of submersible electric motor of the installation, and its lower part is connected through disconnector to the filter element which is connected to corrosion-resistant protector.
EFFECT: higher protection efficiency of electric centrifugal pumps.
2 dwg
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