This standard specifies the characteristics of nuts for welded ferrules, for pipe couplings 8°30′, in titanium alloy, for aerospace applications.Nominal pressure:up to 28 000 kPa Temperature range:-55 ℃ to 135 ℃
EN 4031:2001 history
2001EN 4031:2001 Aerospace series - Pipe coupling 8°30′ in titanium alloy - Nut for welded ferrule