A coupling device including a tubular body defining a channel having a reception segment for receiving a pipe end, the reception segment being provided with a locking member for locking the pipe end in the reception segment, a sealing member for fitting tightly against an outside surface of the pipe end, a guide for guiding the pipe end in the reception segment, and an abutment for stopping the pipe end being pushed into the reception segment, wherein the sealing member is placed in a groove formed between the abutment and the guide, and the locking member is placed between the guide and an inlet to the reception segment.