DIN 2605 part1 1991 Steel butt-welding pipe fittings
Elbows and bends with reduced pressure factor
1. Field of application
This standard specifies seamless and welded steel elbows and bends that are intended to be butt welded to pipes. Although the wall thicknesses specified correspond to those of the pipes, these fittings do not permit operation at the same internal pressure as the pipe welded on, i.e. they have a reduced pressure factor. (cf table 1 and clause 5)
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