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原文
Temperature control valve installation tips: 1, check whether the defect and loose machine parts. Harmful to human health, the use of media, must be strength, sealed, leak and accuracy testing. 2, prior to installation of piping and valve cleaning, removal of impurities and oil. Especially where oil ban, the user can make specific cleanliness requirements. Selection of lubricant, the working medium must be considered a taboo, to avoid accidents. 3, valve and pipe flange connections, pay attention to concentricity. Mounting flange on the valve cover plate and the cold box as far as possible around the nature of connections between. Import pump valve 4, the installation site should consider the safety of personnel and equipment, both easy to operate, and it helps disassembly and maintenance. 5, the valve should be upright, vertical installation in horizontal pipelines, installation of last resort can tilt the valve or vibration from large vertical occasions, you must use a fixed support frame. 6, the flow of media should be consistent with the arrow points on the body. Air should be dry and free of oil. Valve should be at ambient temperature between -30 ~ 60 ℃ role. 7, for the automatic control system malfunction or repair the valve was still continuous production, should be set to bypass. Bypass valve flow characteristics and travel options consistent with the original valve.
原文来自：http://www.tiaojiefa.org

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译文：
低温调节阀的安装技巧： 1、检查整机零件是否缺损与松动。对使用有害人体健康的介质，必须进行强度、密封、泄漏与精度测试。 2、在安装前对管道与阀进行清洗，清除杂质与油脂。特别是禁油的场合，用户可提出具体的清洁度要求。选用润滑剂，必须考虑工作介质的禁忌，避免事故的发生。 3、阀体与管道的法兰连接，要注意同轴度。上阀盖上安装法兰的连接板与冷箱之间尽可能采用绕性连接。进口泵阀门 4、安装场地应考虑人员与设备的安全，既便于操作，又有利于拆装与维护。 5、阀门应正立、垂直安装在水平管道上，不得已时可倾斜安装，阀自垂直较大或有振动的场合，必须要用支撑架固定。 6、介质流向应与阀体上箭头指向一致。气流应干燥、无油。阀门应在环境温度-30～60℃之间作用。 7、为使自控系统失灵或检修阀门时仍能连续生产，应设置旁路。旁路阀的流量特性与行程要与原来阀选择一致。

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