水泥管**增接口5 PVC哈夫节主要材料:球墨铸铁、天然橡胶。温度: -29-+300°C 对夹双瓣蝶式止回阀用于公称压力PNl.0MPa~42 0MPa、Classl50~2500;公称通径DNl5~1200mm、NPsl/2—48.工作温度一l96—540℃的各种管路上,月于防止介质剖流。通过选月不同的材质.可适月于水、蒸汽、油品、硝酸、强氧化性介质及尿素等多种介质。流体阻力]PPR管**马鞍分水卡子
DN100 x50
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