BS 1560-3.2:1989 Circular flanges for pipes, valves and fittings (Class designated) - Steel, cast iron and copper alloy flanges - Specification for cast iron flanges
Grey, malleable and ductile cast iron flanges in the range of nominal sizes $9H to 24 in.
BS 1560-3.2:1989 history
0000 BS 1560-3.2:1989(2011)
1990BS 1560-3.2:1990 Circular flanges for pipes, valves and fittings (Class designated). Steel, cast iron and copper alloy flanges. Specification for cast iron flanges
1990BS 1560-3.2:1989 Circular flanges for pipes, valves and fittings (Class designated) - Steel, cast iron and copper alloy flanges - Specification for cast iron flanges