A connector assembly adapted to connect a riser member of a riser device to another riser member (10' or 10") for connecting an oil well to an oil rig, comprising a male part and a female part together forming a seat (38a, 38b), said male part comprising a male axial portion, said female part comprising a female axial portion opposite to said male axial portion, a sealing ring comprising a radially extending annular stem provided with a first and a second axial seal support portion (35a, 35b), and a radial annular portion interconnecting said first and second axial seal support surfaces (35a, 35b) being axially separated, wherein a first radial annular portion extends in a direction axially away from said first seal support surface and a second radial annular portion extends in a direction axially away from said second seal support surface, wherein the first axial seal support portion is adapted at to abut said male axial portion at atmospheric pressure and furthermore the second axial seal support portion is adapted to abut said female axial portion during use; characterised in that said female part is provided with a further female axial portion extending substantially radially outwards from a female annular radial portion which extends from said female axial portion towards said male part, said male part is provided with a further male axial portion extending substantially radially outwards from said male axial portion, said further female axial portion and said further male axial portion are facing one another and are arranged such that there is an axial distance between them in the connector's assembled state; said further male axial portion is arranged at an axial distance in a direction away from said male axial portion and in a direction away from said further female axial portion; wherein an annular slanting portion is provided to interconnect said further male axial portion and said male axial portion. a male part and a female part together forming a seat (38a, 38b), said male part comprising a male axial portion, said female part comprising a female axial portion opposite to said male axial portion, a sealing ring comprising a radially extending annular stem provided with a first and a second axial seal support portion (35a, 35b), and a radial annular portion interconnecting said first and second axial seal support surfaces (35a, 35b) being axially separated, wherein a first radial annular portion extends in a direction axially away from said first seal support surface and a second radial annular portion extends in a direction axially away from said second seal support surface, wherein the first axial seal support portion is adapted at to abut said male axial portion at atmospheric pressure and furthermore the second axial seal support portion is adapted to abut said female axial portion during use; characterised in that said female part is provided with a further female axial portion extending substantially radially outwards from a female annular radial portion which extends from said female axial portion towards said male part, said male part is provided with a further male axial portion extending substantially radially outwards from said male axial portion, said further female axial portion and said further male axial portion are facing one another and are arranged such that there is an axial distance between them in the connector's assembled state; said further male axial portion is arranged at an axial distance in a direction away from said male axial portion and in a direction away from said further female axial portion; wherein an annular slanting portion is provided to interconnect said further male axial portion and said male axial portion.