1、GB/T590-20083.3.2AS型、BS型截止阀的结构和基本尺寸按图1图4和表3。0口SS图3AS型(DN175DN300)图4BS型(DN175DN300)表3AS型、BS型截止阀基本尺寸单位为毫米公称结构尺寸法兰连接尺寸手轮理论重量压力公称壁厚升程kgPN/径LHH螺栓tDD:deDoMPaDNoAS型BS型AS型BS型BS型ThAS型BS型502301252882581258140110901412.212.21416M12140652901453102771451601301101819.217.7803101553453041551901501281602423.821.718
2、141003501753743251752101701481803534.532.31254002004263662002402001784442.542.80.6202001715048048741526522520218M165758.755.8225225175540557489295255232f76.870.3222802420060027561453627532028025868102.095.625073032570360532537533531236027158.0151.0241230085037579967237544039536522M2045032100218.0207.0
