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
Superseded By: BS 4504-3.3
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Description / Abstract:
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.