FIELD: handling viscous, non-homogeneous and aggressive fluid and molten metals. SUBSTANCE: funnel-shaped head is widening towards open end and is connected with pipe line. Part of pipe line is secured as cantilever. Drive is engageable with cantilever portion of pipe line. Parts of pump which are in contact with aggressive medium are made of materials which are resistant to such medium. EFFECT: enhanced reliability. 4 cl, 2 dwg
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