20V5A叶片泵

液压系统冲洗，可以按如下步骤进行：
在未安装敏感元件(如伺服阀等)之前，将管道及对污染物不敏感元件先装配起来，并将管子端部密封严实。
用跨接线代替敏感元件，将液压回路连接起来，并充液加压，进行冲洗，达到规定的清洁度为止。
选择的冲洗回路应跳过敏感元件，并尽可能减少流动阻力。冲洗时应避免脏油通过已经冲洗干净的管道，对于较复杂的系统，可选择回路先从支路冲洗到主管道，然后将支路与主管道隔开，再冲洗主管道，在冲洗回路的回油路上，装设滤油器或滤网，冲洗初期由于杂质较多，一般采用80目滤网，冲洗后期改用150目以上的滤网。
为了提高冲洗效果，在冲洗过程中的液压泵以间歇运动为佳，其间歇时间一般为10～30分钟，可在这一间歇时间内检测冲洗效果。在冲洗过程中，为了有利于管内壁上的附着物脱落，可以用木棒或橡皮锤等非金属锤轻轻敲击管道，可连续或间歇地敲击。
冲洗介质的选用通常是实际使用的液压油或试车油。避免使用酒精、蒸气等，以防腐蚀液压元件、管道、油箱及密封件等。
冲洗液的用量一般以油箱工作容量地60%～70%为宜，冲洗时间不要太长，一般为2～4小时，在特殊情况下不**过10小时。冲洗效果以回路过滤网上无污染杂质为标准。冲洗后的液压油需要经过质量检测才能确定能否继续使用。
冲洗过程中还应该注意：
(1) 油箱要封闭，减少现场空气中颗粒进入油箱的机会;
(2) 相油箱中加入冲洗油时应使用带过滤器的加油小车，以滤除桶装油中的污染物;
(3) 更换滤芯时暂停冲洗泵，注意不要带入杂质;
(4) 对排空和排污要定期进行，以确保系统充满，并及时排出气体和污染物。
(5) 在冲洗的前期，油中水分蒸发很重要，在冲洗油箱上应有蒸汽逸出的窗口。
(6) 冲洗合格后在抽出冲洗油、管线使用前要注意保护，以免污染物进入系统。

20V2A   叶片泵
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20V4A
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20V5A
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20V6A
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20V8A 
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20V9A
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20V10A 
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20V11A
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20V14A
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25V12A 
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25V14A
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25V15A
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25V17A
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25V19A
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25V21A 
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35V25A
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35V32A 
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35V35A
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35V38A
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45V45A
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45V66A 
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45V76A 
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2520V双联    
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4535V双联
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