HQ41XHQ41X球型止回阀

H41XH41x，H41x-16T型消声止回阀

H44HH44H旋启式碳钢止回阀

HS41XHS41X倒流防止器

H41WH41W升降式止回阀

锻钢止回阀

H64H/H64Y焊接电站旋启式止回阀

Z42XZ42X大口径弹性座封闸阀

Z43WZ43W平板闸阀

Z41TZ41W明杆铸铁闸阀

Z45WZ45W暗杆楔式闸阀

Z961H/Z961YZ961Y电动电站闸阀