0-DN1200,MV3230-1.0-DN1400,MV3230-1.0-DN1600,MV3230-1.0-DN1800,
MV3271-10-DN50,MV3271-10-DN65,MV3271-10-DN80,MV3271-10-DN100,MV3271-10-DN125,MV3271中线软密封蝶阀
MV3271-10-DN150,MV3271-10-DN200,MV3271-10-DN250,MV3271-10-DN300,MV3271-10-DN350,
MV3271-10-DN400,MV3271-10-DN450,MV3271-10-DN500,MV3271-10-DN600,
MV3271-16-DN50,MV3271-16-DN65,MV3271-16-DN80,MV3271-16-DN100,MV3271-16-DN125,
MV3271-16-DN150,MV3271-16-DN200,MV3271-16-DN250,MV3271-16-DN300,MV3271-16-DN350,
MV3271-16-DN400,MV3271-16-D