QUICK-RELEASE COUPLING FOR LINE PIPES

摘要

A quick-release coupling for line pipes includes conical flanges between which sealing element is installed, flanges are surrounded with clamp that comprises two half-clamps that are hinged to each other, half-clamps are closed with cleat wedge. Outer conical walls of the flanges are arranged with lugs in cylindrical form in which inner cylindrical stepped depressions are provided, planes of those are normal to long axis of pipes being coupled, diameter is larger by 1- that the outer diameter of the pipes being coupled, and depth does not exceed thickness of the pipes.