FIELD: construction.
SUBSTANCE: process includes stages of introducing blocking elements into a liquid flow, which are made of different materials and have different shape, in particular, spheres, density of which is similar to density of the liquid, via a special dosing device. Blocking elements move with the liquid flow and close branches, preventing product withdrawal or hindering it. In the end of the pipeline they use a filter as a trap to withdraw and reuse the blocking elements.
EFFECT: blocking of leaks caused by cut-in of unauthorised branches into a pipeline.
24 cl, 8 dwg
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