EASILY DETACHABLE PIPELINE JOINT Russian patent published in 2001 - IPC

FIELD: pipeline fitting in different branches of national economy. SUBSTANCE: easily detachable pipeline joint includes two semicouplings with coaxially arranged valves. Semicouplings are mutually joined by means of fixing sleeve. Valves mounted on lateral surface have annular turnings for sealing rings placed inside turnings with possibility of engaging with reciprocal cone portions of semicoupling bodies. Cone surfaces of valves and bodies have the same angle between their generatrices equal to 60- 90 degrees. There are flats on ends of engaging portions of valves turned to joined pipelines. EFFECT: increased effective cross section area of pipeline, simplified connection of operating engaging surfaces. 3 dwg