This standard BS EN 4809:2017 Aerospace series. Flange couplings. Gasket seal with fluorocarbon seal on aluminium plate with 3 fastening holes. Inch series is classified in these ICS categories:
49.080 Aerospace fluid systems and components
This standard specifies the characteristics of gasket seal with fluorocarbon seal on aluminium plate, 3 holes, for pipe couplings for inch series aerospace applications. Nominal pressure: up to 21 000 kPa; depends on the associated tube material and tube wall thickness in the assembly (see EN 4814). Temperature range: ?20 °C to 200 °C. NOTE Assembly in accordance with TR 4815. This part should not be reused after disassembling.
