FIELD: oil production industry, production of oil with large gas factor. SUBSTANCE: impeller of centrifugal pump has peripheral side outlet and is mounted in housing behind inlet head downstream of flow of liquid. Cylindrical drum is made fast with one end to driven disc of impeller and its other end rests against connecting head. Conical flow guide is mounted inside housing concentric on axis of separator. Diameter of guide smoothly diminishes towards pump. Guide is made fast to connecting head and forms expanding circular duct together with cylindrical drum. EFFECT: simplified design of separator, enhanced production reliability and reduced operational cost. 1 dwg
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