3H-1.6-DN400,D643H-1.6-DN450,D643H-1.6-DN500,D643H-1.6-DN600,
D643H-1.6-DN700,D643H-1.6-DN800,D643H-1.6-DN900,D643H-1.6-DN1000,D643H-1.6-DN1100,D643H-1.6-DN1200,D643H-1.6-DN1400,D643H-1.6-DN1500,D643H-1.6-DN1600,D643H-1.6-DN1800,
D643H-1.6-DN2000,D643H-2.5-DN50,D643H-2.5-DN65,D643H-2.5-DN80,D643H-2.5-DN100,D643H-2.5-DN125,D643H-2.5-DN150,D643H-2.5-DN200,D643H-2.5-DN250,D643H-2.5-DN300,
D643H-2.5-DN350,D643H-2.5-DN400,D643H-2.5-DN450,D643H-2.5-DN500,D643H-2.5-DN600,D643H-2.5-DN700,D643H-2.5-DN