BS EN 4549:2014

This standard BS EN 4549:2014 Aerospace series. Pipe coupling, in heat resisting steel or in heat resisting nickel alloy. Coupling end, welded. Design configuration. Inch series is classified in these ICS categories:

• 49.080 Aerospace fluid systems and components

This European Standard defines the dimensions and tolerances for the weld end of fluid system components mating with pipe.

Both shall be:

• from inch series;

• of the same dimensional code;

• made of corrosion resistant steel or nickel alloy.