5300-16-DN15,GV5300-16-DN20,GV5300-16-DN25,GV5300-16-DN32,角阀
GV5300-16-DN40,GV5300-16-DN50,GV5300-16-DN80,GV5300-16-DN100,GV5300-16-DN125,
GV5300-16-DN150,GV5300-16-DN200,GV5300-16-DN250,GV5300-16-DN300,GV5300-16-DN350,
GV5300-16-DN400,GV5300-16-DN450,GV5300-16-DN500,GV5300-16-DN600,
GV5300-32-DN15,GV5300-32-DN20,GV5300-32-DN25,GV5300-32-DN32,
GV5300-32-DN40,GV5300-32-DN50,GV5300-32-DN80,GV5300-32-DN100,GV5300-32-DN125,
GV5300-32-DN150,GV5300-32-DN200,GV5300-32-DN250,GV5300-32-DN300,GV53