SIEMENS 6ES7431-7KF00-6AA0
1.管道支架：如果管路中有振動(dòng)，則應(yīng)加支撐。
2.安裝方面：如果管路中充滿液體，則雷諾數(shù)大于2×104，則管道可作垂直安裝或傾斜角度安裝。
3.閥門(mén)的位置和直管段長(zhǎng)度
A.一般情況下，把流量計(jì)安裝在閥門(mén)的上游。流量前后直管長(zhǎng)度分別為＞20D和＞5D。
B.把閥門(mén)安裝在流量計(jì)的上游：對(duì)于使用活塞式或或羅茨式鼓風(fēng)機(jī)、壓縮機(jī)的空氣管道或使用活塞式、柱塞式泵上午高壓液體管（約大于1Mpa）可能會(huì)產(chǎn)生液體振動(dòng)。在這些情況下，可將閥門(mén)安裝于流量計(jì)的上游。此時(shí)流量計(jì)與閥門(mén)間的直管長(zhǎng)度應(yīng)大于20D，流量計(jì)下游直管長(zhǎng)度應(yīng)大于5D。
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