BS 4504-3.2(1989) : 1989
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
CIRCULAR FLANGES FOR PIPES, VALVES & FITTINGS (PN DESIGNATED) - STEEL, CAST IRON & COPPER ALLOY FLANGES - SPECIFICATION FOR CAST IRON FLANGES
Hardcopy , PDF
09-15-1997
English
01-01-1989
Describes up to DN 4000, PN 2.5 to 40 grey ductile and malleable cast iron circular flanges. Specifies the types of cast iron flanges and their facings, tolerances, dimensions, threading for malleable cast iron flanges, flange face surface finish, bolt sizes, marking and materials for flange and bolting materials together with associated pressure/temperature ratings. Also gives detailed definitions for nominal size (DN) and nominal pressure (PN). Includes several appendices and tables.
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