Abstract:
Apparatus configured to remove and/or introduce a component from or to a pipeline, whilst the pipeline is under pressure comprises a fluid tight coupling adapted to couple the apparatus to a part of the pipeline, a valve having open and closed configurations coupled to the coupling, an elongate body for receiving a component of the pipeline, the elongate body couplable to the valve, a tool for engaging the component of the pipeline and lifting means for raising and lowering the tool with-in the elongate body.