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2018-12-25View Original

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Reply #22018-12-25
Translate the following texts from chinese_simplified to french.
Reply #32018-12-26
应该不会吧,蘑菇头之后是液压油,活塞,既使在大的力,也不能推动软管变形量大呀\ud83d\ude04
Reply #42018-12-26
一般情况下是没事的,我们单位生产的隔膜泵用在东营石大胜华的进口压力是2MPa液态二氧化碳,用了五六年一点问题也没有!放心好了,他们吓唬你的。呵呵
Reply #52018-12-27
一般问题不大,带隔膜的是柱塞液压隔膜计量泵,是否会损坏隔膜看泵的设计工况。
Reply #62019-06-12
隔膜能承受的压力比出口压力大,进口压力不影响的
Reply #72020-08-19
我理解是柱塞泵壳体压力低,进口压力高了会损坏轴承密封。我在想-柱塞泵泄油压力都比较低,进口压力会不会影响泄油口出流啊?(毕竟很多都是泄油会进口油箱)
Reply #82020-08-23
进口压力越高影响越大,这和液压部分是微量补油还是定量循环有关。因为液压系统是需要润滑的,润滑就必定有回流,微量补油的形式是需要进口产生一定真空的,进口高压时随着油腔体积缩小,隔膜会走到行程极限导致破裂;而定量循环的形式可以兼容较高进口压力,这个可以去问普罗名特,他们的部分型号液压隔膜泵就是液压油定量循环。

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