| 新型气动放大器在阀门定位器上的应用 |
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| 引用本文： | 余少华.新型气动放大器在阀门定位器上的应用[J].自动化信息,2009(11):62-63. |
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| 作者姓名： | 余少华 |
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| 作者单位： | 吴忠仪表宁夏银星能源股份有限公司,宁夏吴忠751100 |
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| 摘 要： | 该文介绍了一种新型气动放大器的结构和工作原理及其在阀门定位器上的应用。它具有体积小、寿命长、安装方便、高低压工作通用性强等特点，其性能显著优越于传统的气动放大器。
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| 关 键 词： | 比例式气动放大器 阀门定位器 膜片 弹簧 背压 |
Application of a New-style Pneumatic Amplifier on Valve Positioner |
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| YU Shao-hua.Application of a New-style Pneumatic Amplifier on Valve Positioner[J].Automation Information,2009(11):62-63. |
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| Authors: | YU Shao-hua |
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| Affiliation: | YU Shao-hua (Ningxia Yinxing Energy Co., Ltd., Wuzhong Instrument Company, Wuzhong Ningxia 751100, China) |
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| Abstract: | The paper describes the structure and working principle of a new pneumatic amplifier and its application in intelligent valve positioner. The amplifier is characterized with the advantages of small volume, long life, easy installation, workability at high pressure and low pressure and others. Its performance is obviously superior to its traditional counterparts. |
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| Keywords: | Proportional Pneumatic Amplifier Valve Positioner/ Diaphragm Spring Back Pressure |
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