手动伸缩蝶阀说明：性能规范采用标准用途及特点法兰连接尺寸：GB9115-88；GB17241.6-98本蝶阀选用于食品、饮料、医药、化工等纯净管路及工GB91113-88；GB4216-84业、水处理、高层建筑、给排水管路作启闭或调节介质结构长度：GB12221-89流量之用。压力试验：GB/T13927-92；手动伸缩蝶阀SD43F外形尺寸：规格(mm)H1H2H3***大长度Lmax***小长度Lmin设计长度L1D1Z-d0.6MPa1.0MPa1.6MPa0.6MPa1.0MPa1.6MPa5080112321631381511101251254-144-184-186595122321881521701301451454-144-184-188098130321921621771501601604-188-188-18100114142322151752051701801804-188-188-18125128174322301852152002102108-188-188-18150139180322401952252252402408-188-228-22)