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 °C to 135 °C
DS/EN 4031:2001 history
2001DS/EN 4031:2001 Aerospace series - Pipe coupling 8°30' in titanium alloy - Nut for welded ferrule