Components for Steel Pipes

Threaded Shaped fittings of FH type are steel fittings designed for implementation of closing balloons into pipeline, connecting ballooning and drilling sets, realization of by-pass, etc. when servicing or repairing steel pipelines. There is an outside thread in the upper part of the neck body designed for connection of a drilling/ ballooning set, and there is an inside thread for a closing stopper. The lower part of the body is preprocessed for easier adjustment of welding surface before welding to the pipeline. Closing stopper is equipped with a sealing O-ring, which ensures sealing of the neck after tightening the stopper. FH-necks are supplied with closing stoppers with external or internal square ends. Secondary and supplementary sealing of the Shaped fittings may be made through installation of covering lid FV (following 5.1-4 hereof) or through a circumferential sealing weld for which the stopper and the upper part of the neck body have been adjusted.