Metal seal ball valve 进口金属硬密封球阀
Metal-seated ball valve 金属密封球阀
metal hard sealing ball valve 金属硬密封球阀
The project background of the researching metal ball-valve was introduced in this paper.
通过对金属座球阀项目背景进行介绍，阐述了进行项目研制开发的意义。
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。
Ball and valve seat rings are metal materials, sealing pressure than the large, rely on the media itself can not seal the pressure has reached the requirements to be imposed by external forces.
球体和阀座密封圈都采用金属材料制造，密封比压很大，依靠介质本身的压力已达不到密封的要求，必须施加外力。
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