球阀 针型阀 截止阀
电动对夹式球阀Q971F,上海祝富阀门
DZ40H,DZ40W,美标低温闸阀,
NKZ41H,NKZ41Y,美标真空隔离闸阀,
DJ41Y,DJ44Y,DJ44W,美标低温截止阀,
J61H,J61W,J61Y美标焊接截止阀,
H64H美标高压自密封对焊止回阀,
H41W,H41H美标止回阀,
美标Q347F固定式铸钢球阀,
美标平板闸阀,
Z940H-150Lb电动美标闸阀,
J41H-150Lb美标截止阀,
DQ41F-300Lb美标低温球阀,
