FIELD: machine building.
SUBSTANCE: in system of tight connection of tubular parts for transmission of substances similar to air, and namely for transmission of smokes or vapours to be discharged; each section includes an enclosed and an enclosing ends, which are axially opposite to each other; each enclose end of one section has the possibility of being connected by fitting in the enclosing end of the neighbouring tubular section. The above ends have the possibility of being connected to each other using the bayonet connection method. System also includes corresponding guide means and counter means on enclosed and enclosing ends of each section to provide the connection of two adjacent tubular sections to each other by means of axial fitting so that enclosed end of one tubular section enters the corresponding enclosing end of the neighbouring tubular section with unique mutual orientation of tubular sections connected to each other. Interrelation of the system design elements is described.
EFFECT: invention improves connection reliability of tubular sections.
8 cl, 9 dwg
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