Some fixtures, accessories, and mechanical equipment can be inserted in line with existing pipe segments, automatically making connections where they are placed. These break-into components have identical opposing connectors that are perfectly aligned with the direction of their connectors. Transitions are automatically inserted when it is necessary to match the size of the pipe segment.
Under certain conditions the continuity of piping is healed when a break-into component is removed. For example, if the break-into component size matches the pipe size where it was placed (so that no transitions are created), the continuity of the segment is restored when the break-into component is removed.
Adding a ball valve to a pipe segment