FIELD: pipelines.
SUBSTANCE: invention relates to pipelines and equipment. Connection of metal elements of cylindrical casing shape is made with overlapping. In the overlapping area elements are equipped with holes, in which electric insulating gaskets are fixed. During installation of casing overlapping areas material of electrically insulating gaskets is applied so that during mounting reduction of each next metal element material of gaskets filled holes of overlapping zones, thus forming reliable pin connections between gasket and adjacent elements of casing. Obtained multiple pin connections provide fixation of adjacent metal elements without violation of their electrical isolation from each other.
EFFECT: increased safety of pipelines operation due to provision of reliable attachment and electric insulation of elements from each other.
14 cl, 5 dwg
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