BSI BS MA 9
BS BS MA 9 1970-AUG-20 Flanges Boltng and Gaskets for Exhaust Gas Ppng for Desel Engnes and Boler Uptakes-AMD 1256 January 25 1973 AMD 1759 June 30 1975 AMD 2267 Aprl 29 1977
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Circular steel plate type flanges nominal size 150 mm to 1800 mm. Flange dimensions including drilling and bolting details, rating, materials, attachment details, test requirements. Does not cover terminal flanges for uptakes, engine manifolds or turboblowers.