Z541H-150LB Z541H-300LB Z541H-600LB美标伞齿轮闸阀

J61Y–P54/100V/140V/170V/电站截止阀

苏式闸阀

Z41H/Z41Y/Z41W/不锈钢法兰闸阀Z41W-16P

H40J衬胶浮球式止回阀

H41H/H44H法兰不锈钢止回阀

J61Y-200/250/320-P54/100V/140V手动截止阀

DZ11H/Y手动低温锻钢闸阀

国标不锈钢截止阀

苏式闸阀DN50

Q341F美标蜗轮球阀

Z41H美标闸阀,Z41W美标闸阀