This standard BS EN 4816:2017 Aerospace series. Flange couplings. Gasket seal with nickel alloy C seal. Technical specification. Inch series is classified in these ICS categories:
49.080 Aerospace fluid systems and components
This standard specifies the required characteristics, inspection and test methods, quality assurance and procurement requirements for inch series, gasket seal with C seal in nickel alloy, for temperature ranges from type II to type V according to ISO 6771 and nominal pressure up to 10 500 kPa (class B according to ISO 6771). In addition to the requirements of this technical specification, the coupling assemblies shall be qualified in accordance with equipment or component specification requirements.
