D343H-0.6-DN50,D343H-0.6-DN65,D343H-0.6-DN80,D343H-0.6-DN100,D343H-0.6-DN125,D343H-0.6-DN150,D343H-0.6-DN200,D343H-0.6-DN250,D343H-0.6-DN300,D343H-0.6-DN350,D343H-0.6-DN400,D343H-0.6-DN450,D343H-0.6-DN500,D343H-0.6-DN600,

D343H-0.6-DN700,D343H-0.6-DN800,D343H-0.6-DN900,D343H-0.6-DN1000,D343H-0.6-DN1100,D343H-0.6-DN1200,D343H-0.6-DN1400,D343H-0.6-DN1500,D343H-0.6-DN1600,D343H-0.6-DN1800,

D343H-0.6-DN2000,D343H-1.0-DN50,D343H-1.0-DN65,D343H-1.0-DN80,D343H-1.0-DN100,D343H-1.0-DN125,D343H-1.0-DN150,D343H-1.0-DN200,D343H-1.0-DN250,D343H-1.0-DN300,

D343H-1.0-DN350,D343H-1.0-DN400,D343H-1.0-DN450,D343H-1.0-DN500,D343H-1.0-DN600,D343H-1.0-DN700,D343H-1.0-DN800,D343H-1.0-DN900,D343H-1.0-DN1000,D343H-1.0-DN1100,

D343H-1.0-DN1200,D343H-1.0-DN1400,D343H-1.0-DN1500,D343H-1.0-DN1600,D343H-1.0-DN1800,D343H-1.0-DN2000,D343H-1.6-DN50,D343H-1.6-DN65,D343H-1.6-DN80,D343H-1.6-DN100,

D343H-1.6-DN125,D343H-1.6-DN150,D343H-1.6-DN200,D343H-1.6-DN250,D343H-1.6-DN300,D343H-1.6-DN350,D343H-1.6-DN400,D343H-1.6-DN450,D343H-1.6-DN500,D343H-1.6-DN600,

D343H-1.6-DN700,D343H-1.6-DN800,D343H-1.6-DN900,D343H-1.6-DN1000,D343H-1.6-DN1100,D343H-1.6-DN1200,D343H-1.6-DN1400,D343H-1.6-DN1500,D343H-1.6-DN1600,D343H-1.6-DN1800,

D343H-1.6-DN2000,D343H-2.5-DN50,D343H-2.5-DN65,D343H-2.5-DN80,D343H-2.5-DN100,D343H-2.5-DN125,D343H-2.5-DN150,D343H-2.5-DN200,D343H-2.5-DN250,D343H-2.5-DN300,

D343H-2.5-DN350,D343H-2.5-DN400,D343H-2.5-DN450,D343H-2.5-DN500,D343H-2.5-DN600,D343H-2.5-DN700,D343H-2.5-DN800,D343H-2.5-DN900,D343H-2.5-DN1000,D343H-2.5-DN1100,

D343H-2.5-DN1200,D343H-2.5-DN1400,D343H-2.5-DN1500,D343H-2.5-DN1600,D343H-2.5-DN1800,D343H-2.5-DN2000,双向硬密封蝶阀

D343H双向硬密封蝶阀概述：

1、本阀采用三偏心密封结构，阀座与蝶板几乎无磨损，具有越观越紧的密封功能。

2、密封圈选用不锈钢制作，具有金属硬密封和弹性密封的双重优点，无论在低温和高温的情况下，均具有优良的密封性能，具有耐腐蚀,使用寿命长等特点。

3、碟板密封面采用堆焊钴基硬质合金，密封面耐磨损，使用寿命长．

4、大规格蝶板采用绗架结构，强度高，过流面积大，流阻小。

5、本阀具有双向密封功能，安装时不受介质流向的限制，也不受空间位置的影响，可在任何方向安装。

6、驱动装置可以多工位（旋转90°或180°）安装，便于用户使用。