THREE-FLANGE CONNECTION Russian patent published in 2012 - IPC F16L23/00 

FIELD: machine building.

SUBSTANCE: three-flange connection includes two extreme flanges of attached parts with holes along the perimetre, which are connected to each other by means of fasteners, intermediate flange in the form of a ring, which is installed between extreme flanges through sealing gaskets and provided with annular projections on both sides; each of extreme flanges is provided with annular spigot enclosing the corresponding annular projection of intermediate flange; end surfaces of intermediate flange have an inclination between themselves, and axis of connection pipe of attached part, which is connected to one of extreme flanges, when in non-operating position, is perpendicular to mating surface of the other extreme flange.

EFFECT: excluding the need for carrying out additional works related to reworking of openings in walls of container at erection, by manufacture and fitting of parts closing the butt joint to set the equipment to operating position, and simplifying the installation assembly.

3 cl, 7 dwg