伞齿轮高温高压闸阀

Z540Y、Z541Y磅级电站伞齿轮闸阀

焊接水封闸阀DSZ61H/DSZ64H

法兰真空闸阀

Z45X-16弹性座封闸阀

磅级铸钢闸阀Z41H/Z41W

Z41H钢制美标闸阀

Z41Y/Z61Y美标铬钼钢闸阀

Z40W不锈钢美标闸阀

美标闸阀Z41Y-150LB/300LB

暗杆闸阀Z45H-150LB/300LB

波纹管闸阀WZ41H-150LB