废 中文名称： 球阀.金属球阀的一般说明 英文名称： Metal ball valves; general requirements and methods of test 标准组织： 【DIN】德国标准 正文语种： 德文 国标分类：
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It wholly changes the defects of hard-sealed metal ball valves such as easy to be leaked, big torsional moment and non-corrosive seal surface.
彻底改变了金属硬密封球阀艺泄露、扭矩、密封面不耐腐蚀的缺点。
The products are included metal seated Vulcan Power Valve, General Severe Service Series metal and ceramic seated Ball Valves and Signature Series metal and ceramic seated Ball Valves.
产品包括金属座铁匠电站阀门，金属座陶瓷座全能系列球阀，金属座陶瓷座超凡系列球阀。
Now gate valves have been replaced by eccentric metal hard seal ball valves in the construction of some new unit and old unit revamping.
偏心金属硬密封球阀已在一些新装置建设和老装置改造中取代了一部分闸阀而得到应用。
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