BS 4504-2(1974) : 1974被替代
SPECIFICATION FOR FLANGES AND BOLTING FOR PIPES VALVES AND FITTINGS METRIC SERIES - COPPER ALLOY AND COMPOSITE FLANGES
出版：British Standards Institution
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基本信息
標準編號： BS 4504-2(1974) : 1974
發布時間：1974/1/1 0:00:00
標準類別：Standard
出版單位：British Standards Institution
標準頁數：33
標準簡介
Gives requirements for a range of copper alloy flanges of integral, slip-on boss for brazing or welding, slip-on composite for brazing, slip-on composite for welding and welding neck composite types. Covers designation, summary of flange tables, pressure/temperature ratings, materials, dimensions and tolerances, machining and finish of flanges, joint faces, attachment of flanges, hydraulic testing flanges, marking, bolting and informative to be supplied by purchaser.
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