GSd343H-6,GSd343H-10,GSd343H-16,GSd343X-6,
GSd343X-10,GSd343F-10,GSd343F-16,法兰式伸缩蝶阀
GSd343H-6-DN200,GSd343H-6-DN250,GSd343H-6-DN300,
GSd343H-6-DN350,GSd343H-6-DN400,GSd343H-6-DN450,
GSd343H-6-DN500,GSd343H-6-DN600,GSd343H-6-DN700,
GSd343H-6-DN800,GSd343H-6-DN900,GSd343H-6-DN1000,
GSd343H-6-DN1200,GSd343H-6-DN1400,GSd343H-6-DN1600,
GSd343H-6-DN1800,GSd343H-6-DN2000,
GSd343H-10-DN200,GSd343H-10-DN250,GSd343H-10-DN300,
GSd343H-10-DN350,GSd343H-10-DN400,GSd343H-10-DN450,
GSd343H-10-DN500,GSd343H-10-DN600,GSd343H-10-DN700,
GSd343H-10-DN800,GSd343H-10-DN900,GSd343H-10-DN1000,
GSd343H-10-DN1200,GSd343H-10-DN1400,GSd343H-10-DN1600,
GSd343H-10-DN1800,GSd343H-10-DN2000,
GSd343H-16-DN200,GSd343H-16-DN250,GSd343H-16-DN300,
GSd343H-16-DN350,GSd343H-16-DN400,GSd343H-16-DN450,
GSd343H-16-DN500,GSd343H-16-DN600,GSd343H-16-DN700,
GSd343H-16-DN800,GSd343H-16-DN900,GSd343H-16-DN1000,
GSd343H-16-DN1200,GSd343H-16-DN1400,GSd343H-16-DN1600
,GSd343H-16-DN1800,GSd343H-16-DN2000,
GSd343F-6-DN200,GSd343F-6-DN250,GSd343F-6-DN300,GSd343F-6-DN350,
GSd343F-6-DN400,GSd343F-6-DN450,GSd343F-6-DN500,GSd343F-6-DN600,
GSd343F-6-DN700,GSd343F-6-DN800,GSd343F-6-DN900,GSd343F-6-DN1000,
GSd343F-6-DN1200,GSd343F-6-DN1400,GSd343F-6-DN1600,
GSd343F-6-DN1800,GSd343F-6-DN2000,
GSd343F-10-DN200,GSd343F-10-DN250,GSd343F-10-DN300,
GSd343F-10-DN350,GSd343F-10-DN400,GSd343F-10-DN450,
GSd343F-10-DN500,GSd343F-10-DN600,GSd343F-10-DN700,
GSd343F-10-DN800,GSd343F-10-DN900,GSd343F-10-DN1000,
GSd343F-10-DN1200,GSd343F-10-DN1400,GSd343F-10-DN1600,
GSd343F-10-DN1800,GSd343F-10-DN2000,
GSd343F-16-DN200,GSd343F-16-DN250,GSd343F-16-DN300,
GSd343F-16-DN350,GSd343F-16-DN400,GSd343F-16-DN450,