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Pneumatic regulating valve EP converter
The author: Time:2019/8/19

     氣動(dòng)調(diào)節(jié)閥的EP轉(zhuǎn)換器
      EP轉(zhuǎn)換器是通過不同的電流信號(hào)產(chǎn)生不同的電磁力,從而改變噴嘴與擋板間的距離,進(jìn)而改變噴嘴處的氣體壓力;這部分微小的壓力信號(hào)的變化,通過壓力放大器放大后進(jìn)行輸出。
      對(duì)氣動(dòng)調(diào)節(jié)閥的EP轉(zhuǎn)換器的調(diào)節(jié),主要是通過調(diào)整噴嘴與擋板間的距離來調(diào)整零點(diǎn);通過調(diào)整調(diào)整鐵芯的插入深度調(diào)整電磁力的大小,進(jìn)而調(diào)整量程。調(diào)整至電流(4-20mA)與輸出氣壓(0.2-1bar)呈線性關(guān)系。

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