Gas pipeline crossing

摘要

FIELD: machine building.;SUBSTANCE: from both ends of the junction at a distance of 0.225 of the junction length from its ends on the foundation with a round bed with embedded items the steel half-rings of the pipe are installed, being at least one step higher in size than the standard size of a junction pipe. A half-bonnet is welded to half-rings along the entire length of the pipe junction of the standard size of half-ring pipe, bermed together with the junction.;EFFECT: increased anti-terrorist protection of the pipeline.