PZ41H排渣闸阀 闸阀

Z61Y锻钢闸阀

DSZ64H铸钢水封闸阀

PZ73WPZ43W不锈钢刀型闸阀 刀型闸阀

PZ943H-电动单夹式刀型闸阀 刀型闸阀

PZ543-伞齿轮单夹式刀型闸阀 刀型闸阀

PZ973电动对夹式刀型闸阀 刀型闸阀

PZ673气动式刀型闸阀 刀型闸阀

PZ573伞齿轮对夹式刀型闸阀 刀型闸阀

PZ43手动刀型闸阀 刀型闸阀

PZL73链轮式刀型闸阀 刀型闸阀

Z434FH、Y、D手动带导流孔平板闸 板闸