Abstract: A conduit coupling includes a plurality of semi-cylindrical shells hingedly mounted relative to one another to receive first and second conduits therewithin. Externally threaded clamp rods are radially directed through the first shell to secure the first and second conduits within the coupling structure. The first and second shells include respective flanges at a second edge of each shell that are arranged for confronting and continguous relationship when in a closed orientation relative to one another, with a flange fastener directed through the first shell flange threadedly received within the second shell flange to clamp the first and second shells relative to one another.