This draft is now available for public comment and your views and technical comments on it would be appreciated. If you
have no specific comments to make but find it generally acceptable it would be helpful if you would notify us accordingly.
Suggestions entailing revision of the text should indicate the preferred wording.
AECMA PREN 3563-1998 history
1998AECMA PREN 3563-1998 Aerospace Series Pipe Couplings, 37 Degree, Spherical, in Heat Resisting Steel Reductors, Welded Inch Series
1990AECMA PREN 3563-1990 Aerospace Series Pipe Coupling in Titanium Alloy Elbow 45 Degree Double Welded Edition 1