Connector for assembling two riser segments, comprising an internal locking ring and removable pins

A connector for assembling two riser sections, comprising a first main tube element extended by a male connector element, a second main tube element extended by a female connector element, the male connector element fitting into the female connector element so as to connect said two main tube elements, a locking ring for locking together the male connector element and the female connector element, the locking ring comprising a first and a second series of studs on the outer surface thereof and the male and female connector elements respectively comprising on the inner face thereof a third and a fourth series of studs respectively cooperating with the first and second series of studs, and at least one removable pin arranged in the locking ring and cooperating with the male connector element so as to translationally block the locking ring with respect to the male connector element, wherein the at least one removable pin cooperates with a groove provided in the male connector element or with a shoulder provided in the male connector element.