The document specifies the characteristics of elbows 90? bulkhead, welded, in titanium alloy intended for use in aircraft fluid system pipelines.
DIN EN 4022:2002 history
2002DIN EN 4022:2002-08 Aerospace series - Pipe coupling 8°30<Minute> in titanium alloy - Elbows 90°, bulkhead, welded end; German version EN 4022:2001
2002DIN EN 4022:2002 Aerospace series - Pipe coupling 8°30 in titanium alloy - Elbows 90°, bulkhead, welded end; German version EN 4022:2001