J965Y电动直流对焊截止阀

J961Y电站截止阀

J960Y电动焊接截止阀

J941H电动法兰截止阀

Z945T电动铸铁闸阀

PZ941H电动排渣闸阀

Z945X电动弹性座封闸阀

Z973X电动浆液闸阀

PZ973H电动刀型闸阀

Z940Y电动高压闸阀

Z941H电动法兰闸阀

BZ941H电动防爆闸阀