FIELD: oil industry. SUBSTANCE: sections of the submersible unit are connected with a pump-compressor pipe and are interconnected for permitting arrested angular movement within the limits allowable by bending spring rods. The housing of the section to be connected is provided with inner groove for a sphere and connected with the outer sphere of the housing to be connected by means of a connecting nut. The end face of the connecting nut, over periphery parallel to the axis, without a gap are provided with spring rods the answering ends of which are clamped in the openings of a special flange of the housing. EFFECT: enhanced reliability. 3 cl, 3 dwg
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