FIELD: construction.
SUBSTANCE: invention relates to construction field, particularly to assembly units of pipes of different diametre. Interiorly of the pipe end of major diametre there are fixed brads, which are inserted into co-axial openings, implemented in plug, and are fixed by screw nuts. At the end of pipe of minor diametre there are fixed vertical stiffeners. Assembly unit of pipes of different diametre includes ends of pipes of minor and major diametre, choke, affixed by means of welding at the end of pipe of minor diametre.
EFFECT: invention is directed to providing of dismountabling of assembly units at providing of its high strength against influence of bending moment.
4 dwg
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