FIELD: process engineering.
SUBSTANCE: invention relates to operation to main pipelines and serves to clean their inner surface. It may be used in oil and gas industry. Proposed device comprises hollow case housing elastic sleeve gaskets arranged on pipeline at its front and rear. Hollow case faces are provided with flanges with annular grooves. The latter have covers to secured elastic diaphragm sides. Hollow case front face is provided with cover. Hollow case cylindrical surface has orifices.
EFFECT: ruling out mixing of transported medium and pushed-through medium, reduced costs.
2 dwg
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