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本产品的材质是碳钢铸铁，品牌是天雄，型号是南京天雄阀门有限公司，连接形式是直通，类型(通道位置)是直通式，流动方向是双向，驱动方式是气动，用途是补水，适用介质是水，压力环境是常压，规格是DN50,DN100,DN250,DN300,三联件,DN150,DN125,DN65,DN200,DN80