FH-shaped fittings

FH-shaped fittings

Catalog sheet: 5.1-1

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.

Outside diameter of pipeline to be welded:
60,3 mm and more (depending on the neck type)
Maximum diameter of the hole to be drilled in:
up to 90 mm
Media:
Natural gas, non-aggressive gas, other media should be consulted
Maximum pressure load:
16 up to 100 bar (depending on the type)
Material of the fitting:
Steel part: steel properties in accordance with ČSN EN 1028-1 and ČSN EN 10208-2
Sealing components: EPDM rubber with properties in accordance with ČSN EN 549