RRHX Z41X-16QRRHX Z41X 弹性座封明杆闸阀 软密封明杆闸阀

Z45X弹性座封闸阀

FZ45X-16QFZ45X 直埋式闸阀

Z41H-16C法兰碳钢闸阀

Z41H-16C碳钢闸阀

Z41W-16P不锈钢闸阀

Z43H-16Z43H 平板闸阀

PZ73H-16PZ73H 刀型闸阀

Z61Y自密封闸阀

自密封系列闸阀

Z41X明杆弹性座封闸阀

Z45X暗杆弹性座封闸阀