Dt643H-6R-DN300,Dt643H-6R-DN350,
Dt643H-6R-DN400,Dt643H-6R-DN450,Dt643H-6R-DN500,
Dt643H-6R-DN600,Dt643H-6R-DN700,
Dt643H-6R-DN800,Dt643H-6R-DN900,Dt643H-6R-DN1000,Dt643H-6R-DN1200,
Dt643H-10R-DN50,Dt643H-10R-DN65,Dt643H-10R-DN80,
Dt643H-10R-DN100,Dt643H-10R-DN125,
Dt643H-10R-DN50,Dt643H-10R-DN200,Dt643H-10R-DN250,
Dt643H-10R-DN300,Dt643H-10R-DN350,
Dt643H-10R-DN400,Dt643H-10R-DN450,Dt643H-10R-DN500,
Dt643H-10R-DN600,Dt643H-10R-DN700,
Dt643H-10R-DN800,Dt643H-10R-DN900,Dt643H-10R-DN1000,Dt643H-10R-DN1200,
Dt943H-6R-DN50,Dt943H-6R-DN65,Dt943H-6R-DN80,
Dt943H-6R-DN100,Dt943H-6R-DN125,
Dt943H-6R-DN50,Dt943H-6R-DN200,Dt943H-6R-DN250,
Dt943H-6R-DN300,Dt943H-6R-DN350,
Dt943H-6R-DN400,Dt943H-6R-DN450,Dt943H-6R-DN500,
Dt943H-6R-DN600,Dt943H-6R-DN700,
Dt943H-6R-DN800,Dt943H-6R-DN900,Dt943H-6R-DN1000,Dt943H-6R-DN1200,
Dt943H-10R-DN50,Dt943H-10R-DN65,Dt943H-10R-DN80,
Dt943H-10R-DN100,Dt943H-10R-DN125,
Dt943H-10R-DN50,Dt943H-10R-DN200,Dt943H-10R-DN250,
Dt943H-10R-DN300,Dt943H-10R-DN350,
Dt943H-10R-DN400,Dt943H-10R-DN450,Dt943H-10R-DN500,
Dt943H-10R-DN600,Dt943H-10R-DN700,
Dt943H-10R-DN800,Dt943H-10R-DN900,Dt943H-10R-DN1000,Dt943H-10R-DN1200,
Dtd363H-6C,Dtd363H-10I,Dtd363W-16P,Dtd363W-25R,
Dtd363W-40C,Dtd363W-6P,对焊式金属硬密封蝶阀
Dtd363H-6C-DN600,Dtd363H-6C-DN700,Dtd363H-6C-DN800,
Dtd363H-6C-DN900,Dtd363H-6C-DN1000,Dtd363H-6C-DN1200,
Dtd363H-6C-DN1400,Dtd363H-6C-DN1600,
Dtd363H-6C-DN1800,Dtd363H-6C-DN2000,
Dtd363W-6C-DN600,Dtd363W-6C-DN700,Dtd363W-6C-DN800,
Dtd363W-6C-DN900,Dtd363W-6C-DN1000,Dtd363W-6C-DN1200,