閘閥 蝶閥 球閥 截止閥 止回閥 自控回流閥 節(jié)流閥 電磁閥 啟閉閥 切斷閥

GDQ47H-16-DN25,GDQ47H-16-DN32,GDQ47H-16-DN40,GDQ47H-16-DN50,GDQ47H-16-DN65,GDQ47H-16-DN80,GDQ47H-16-DN100,GDQ47H-16-DN125,GDQ47H-16-DN150,無錫昌林，GDQ47H-16-DN200,GDQ47H-16-DN250,GDQ47H-16-DN300,GDQ47H-16-DN350,GDQ47H-16-DN400,GDQ47H-16-DN450,GDQ47H-16-DN500,GDQ47H-25-DN25,






GDQ47H-25-DN32,GDQ47H-25-DN40,GDQ47H-25-DN50,GDQ47H-25-DN65,GDQ47H-25-DN80,GDQ47H-25-DN100,GDQ47H-25-DN125,GDQ47H-25-DN150,GDQ47H-25-DN200,GDQ47H-25-DN250,GDQ47H-25-DN300,GDQ47H-25-DN350,GDQ47H-25-DN400,GDQ47H-25-DN450,GDQ47H-25-DN500,GDQ47H-40-DN25,GDQ47H-40-DN32,GDQ47H-40-DN40,GDQ47H-40-DN50,GDQ47H-40-DN65,GDQ47H-40-DN80,GDQ47H-40-DN100,GDQ47H-40-DN125,GDQ47H-40-DN150,GDQ47H-40-DN200,GDQ47H-40-DN250,GDQ47H-40-DN300,GDQ47H-40-DN350,GDQ47H-40-DN400,GDQ47H-40-DN450,GDQ47H-40-DN500,GDQ47H-64-DN25,GDQ47H-64-DN32,無錫昌林，GDQ47H-64-DN40,GDQ47H-64-DN50,GDQ47H-64-DN65,GDQ47H-64-DN80,GDQ47H-64-DN100,GDQ47H-64-DN125,GDQ47H-64-DN150,GDQ47H-64-DN200,GDQ47H-64-DN250,GDQ47H-64-DN300,GDQ47H-64-DN350,GDQ47H-64-DN400,GDQ47H-64-DN450,GDQ47H-64-DN500,