H77X-16Q蝶形止回阀、对夹式止回阀

H44X-16Q启式止回阀、法兰胶瓣止回阀

J41H-16C法兰截止阀、硬密封铸钢截止阀

400XL流量控制阀、400Xl流量控制阀、上海沃茨阀门

Z945X-16Q电动法兰闸阀、电动弹性座封闸阀Z945X-16Q

Z45X-16弹性闸阀、软密封法兰闸阀、Z45X-16 弹性座封闸阀

Z41Y法兰式闸阀、锻钢闸阀 、Z41Y法兰式锻钢闸阀

D343XD343X 型法兰式双偏心软密封蝶阀

D71X/D371X对夹蝶阀、对夹软密封蝶阀、D71X/D371X对夹软密封蝶阀