BS 4504-3.2(1989) : 1989被替代
CIRCULAR FLANGES FOR PIPES, VALVES & FITTINGS (PN DESIGNATED) - STEEL, CAST IRON & COPPER ALLOY FLANGES - SPECIFICATION FOR CAST IRON FLANGES
出版：British Standards Institution
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基本信息
标准编号： BS 4504-3.2(1989) : 1989
发布时间：1989/1/1 0:00:00
标准类别：Standard
出版单位：British Standards Institution
标准页数：32
标准简介
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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替代本标准的新标准
