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原文：
Power station valve, also known as special valves, the main fire station in a variety of systems for the management of the road, cut off or connected piping media. Nuclear power plant in the valve is in the nuclear island N1, CI and the conventional island power station auxiliaryAutomatic Control Valves facilities BOP system using the valve. From the safety level of nuclear safety is divided into grade Ⅰ, Ⅱ grade, Ⅲ grade, non-nuclear level. Ⅰ level of nuclear safety requirements among the highest. According to statistics, with two 1 million KW of a nuclear power plant units have various types of valves 30 000 units. In 2009, the state has increased investment in nuclear power field, investment 57.63 billion yuan for the nuclear power infrastructure. China's total installed capacity of up to 11 sets of 9.08 million kilowatts, nuclear power generating units in service continue to maintain safe and stable operation. Total annual volume of 69.263 billion kwh electricity, no International Nuclear Event Scale 2 and two runs over the incident, during the operation of nuclear power plant discharges of radioactive effluents is much lower than the national standard Check Valves limit, the safety of existing nuclear power generating units running performance higher than the world average. As the nuclear power plant valve is used in a large number of medium transport control equipment, is essential in the safe operation of nuclear power plants an important part. Development of China's nuclear valves started in the early 60s. Up to now, after decades of efforts, has formed a certain scale nuclear valves design, test, manufacturing and testing capability. At present, China has 19 companies received the National Nuclear Safety Administration issued its civilian nuclear pressure equipment design and production license is, can design and manufacture of nuclear valves. Which have the design and production of nuclear grade Ⅰ valves enterprises 5. Production for nuclear power plants are mostly non-nuclear level withSafety Valves the valve and nuclear Ⅱ, Ⅲ grade valve. For Nuclear Power Station Phase I, Phase II building a large number of nuclear-and non-nuclear grade valves, valves for the nuclear power domestically made important contributions. According to China's nuclear power development, good situation and the status of the development of nuclear power valve for the realization of the rapid development of nuclear power, needBalance Valves to improve our nuclear power as quickly as possible additional technical standards and norms in the valve. Existing EJ, GB, according to ASME, RCC-M standard complements the national conditions, to improve operability in order to facilitate the domestic nuclear power valve design, materials fabrication, inspection and other links on the localization can be achieved. Meanwhile, the integration of the domestic nuclear power industry valve valve test, detection and identification of equipment and capabilities, share resources and avoid Instrument Manifolds duplication of investment in redundant construction, accelerate the development of nuclear power valve speed. Nuclear safety and awareness of staff education and training, strengthening of nuclear power valve design, manufacture the entire process of quality management, improve the management level.
原文来自： http://www.nytimes.com/1981/12/26/opinion/escape-valve.html

CHELSEA OIL LEAK LINKED TO TAMPERING WITH VALVES;是由上海日美阀门制造有限公司提供的阀门新闻，中文译文仅供参考，以下提供站内导航搜索：

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译文：供核电站用的阀门大多是非核级和核Ⅱ、Ⅲ级阀门
电站阀也称电站专用阀门，主要适用于火力电站各种真空泵系统的管路上，切断或接通管路介质。核电阀门是指在核电站中核岛N1、常规岛CI和电站辅助设施BOP系统中使用的阀门。从安全级别上分为核安全Ⅰ级、Ⅱ级、Ⅲ级、非核级。其中核安全Ⅰ级要求最高。据统计一座具有两台100万消防泵 KW机组的核电站有各类阀门3万台。　　2009年，国家加大了核电领域投资力度，投资576.3亿元用于核电基本建设。大陆的11台总装机容量达908万千瓦，在役核电机组继续保持安全稳定运行。全年累计发电量692.63亿千瓦时，没有发生国际核事件分级2级及2级以上的运行事件，核电厂运行期间放射性流出物的排出量远低于国家标准限值，在役核电机组安全运行业绩高于世界平均水平。由于核电阀门在核电站中是使用化工泵数量较多的介质输送控制设备，是核电站安全运行中的必不可少的重要组成部分。　　我国核级阀门研制起步于60年代初。到目前，经过几十年的努力，已形成了一定规模的核级阀门设计、实验、制造和检测能力。目前，我国已有19个企业获得了国家核安全局颁发的民用核承压设备设计和生产资格许可证，可设计和生产核级阀门。其中具备设计生产核Ⅰ级阀门的企业有五家。生产的供核电站用阀门大多是非核级和核Ⅱ、Ⅲ级阀门。并为秦山核电站一期、二期建设排污泵提供了大量的核级和非核级阀门，为核电阀门国产化做出了重要贡献。　　根据我国核电站发展的大好形势和核电阀门发展的现状，为实现核电快速发展，需尽快补充完善我国的核电阀门的技术标准和规范。将现有的EJ、GB、按ASME、RCC-M标准补充完善，符合国情，提高可操作性，以利于国内核电阀门在设计、选材制造、检验等各个环节上能够达到国产化。同时，整合国内阀门行业核电阀门的实验、检测和鉴定的设备和能力，资源共享，避免重复投资离心泵重复建设，加快核电阀门的研制速度。并且进行核安全意识方面的职工教育和培训，加强核电阀门的设计、制造全过程的质量管理，提高管理水平。

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