BS 4504-2 74th Edition, June 28, 1974
Circular Flanges for Pipes, Valves and Fittings (PN Designated) Part 2: Copper Alloy and Composite Flanges
Includes all amendments and changes through Amendment 3, July 31, 1989
Additional Comments: W/D S/S BY BS 4504-3.3
Published By:British Standards Institution (BSI)
Extends BS 4504 to give coverage for integral bossed and composite flanges in nominal pressures 6 to 40 bar and for nominal sizes up to 1800 mm.