This female element, for a quick coupling for releasably joining together two pipes conveying a fluid under pressure, is suitable for receiving a male portion engaged along a longitudinal axis. The female element includes a latch movable relative to a body of the female element between a first position, in which it is suitable for retaining the male portion in a leaktight coupling position, and a second position, in which it is suitable for retaining the male portion in a position for purging the downstream pipe. The female element further comprises a control member for causing the latch to move at least towards the second position, this member being mounted to slide in an open bore in the body. According to the invention, the female element includes a gasket suitable for closing a gap defined between an outer face of the member and an inside face of the bore.