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Anonymous asked in 科學工程學 · 2 decades ago

管路儀錶流程圖中PI 與 PG 有何差別?

管路儀錶流程圖中PI(Pressure Indicator)與PG(Pressure Gauge)二者有何不同??

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  • jeky
    Lv 7
    2 decades ago
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    PRESSURE INDICATOR不一定是現場有指示的標示

    可能是有壓力傳輸信號到中控室

    PRESSURE GAUGE就是直接在現場有壓力錶指示

    Source(s): 閥類經營者---我
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