20V4A叶片泵

20V2A   叶片泵
20V2A-1A22R
 20V2A-1B22R
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20V3A
 20V3A-1A22R
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20V3A-1C22R
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20V4A
 20V4A-1A22R
 20V4A-1B22R
 20V4A-1C22R
 20V4A-1D22R
20V5A
 20V5A-1A22R
 20V5A-1B22R 
20V5A-1C22R
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20V6A
 20V6A-1A22R
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20V6A-1C22R 
20V6A-1D22R
20V7A
 20V7A-1A22R
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20V7A-1C22R
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20V8A 
20V8A-1A22R
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20V8A-1C22R
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20V9A
 20V9A-1A22R 
20V9A-1B22R 
20V9A-1C22R 
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20V10A 
20V10A-1A22R 
20V10A-1B22R
 20V10A-1C22R
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20V11A
 20V11A-1A22R
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20V11A-1C22R
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20V12A 
20V12A-1A22R 
20V12A-1B22R 
20V12A-1C22R
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20V14A
 20V14A-1A22R 
20V14A-1B22R 
20V14A-1C22R
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25V10A
 25V10A-1A22R 
25V10A-1B22R 
25V10A-1C22R 
25V10A-1D22R
25V12A 
25V12A-1A22R
 25V12A-1B22R 
25V12A-1C22R 
25V12A-1D22R
25V14A
 25V14A-1A22R
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25V14A-1C22R
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25V15A
 25V15A-1A22R 
25V15A-1B22R
 25V15A-1C22R 
25V15A-1D22R
25V17A
 25V17A-1A22R 
25V17A-1B22R
 25V17A-1C22R 
25V17A-1D22R
25V19A
 25V19A-1A22R
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25V21A 
25V21A-1A22R
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25V21A-1C22R
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35V21A
 35V21A-1A22R
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35V21A-1C22R
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35V25A
 35V25A-1A22R
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35V25A-1C22R
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35V30A
 35V30A-1A22R 
35V30A-1B22R
 35V30A-1C22R 
35V30A-1D22R
35V32A 
35V32A-1A22R
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35V32A-1C22R 
35V32A-1D22R
35V35A
 35V35A-1A22R
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 35V35A-1C22R
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35V38A
 35V38A-1A22R 
35V38A-1B22R 
35V38A-1C22R
 35V38A-1D22R
45V42A
 45V42A-1A22R
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 45V42A-1C22R 
45V42A-1D22R
45V45A
 45V45A-1A22R
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45V45A-1C22R 
45V45A-1D22R
45V50A 
45V50A-1A22R
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45V50A-1C22R
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45V57A 
45V57A-1A22R
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45V57A-1D22R
45V60A
 45V60A-1A22R
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45V60A-1C22R 
45V60A-1D22R
45V66A 
45V66A-1A22R 
45V66A-1B22R 
45V66A-1C22R 
45V66A-1D22R
45V76A 
45V76A-1A22R 
45V76A-1B22R 
45V76A-1C22R 
45V76A-1D22R
2520V双联    
3525V双联
 20V2A-86A22R
 20V2A-86B22R 
20V2A-86C22R
 20V2A-86D22R
4535V双联
 20V3A-86A22R
 20V3A-86B22R 
20V3A-86C22R 
20V3A-86D22R
 20V4A-86A22R 
20V4A-86B22R 
20V4A-86C22R
 20V4A-86D22R
 20V5A-86A22R
 20V5A-86B22R 
20V5A-86C22R 
20V5A-86D22R
 20V6A-86A22R
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 20V6A-86C22R
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 20V7A-86A22R
 20V7A-86B22R
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 20V8A-86A22R
 20V8A-86B22R
 20V8A-86C22R
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 20V9A-86A22R
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 20V9A-86C22R
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 20V10A-86A22R
 20V10A-86B22R 
20V10A-86C22R
 20V10A-86D22R
 20V11A-86A22R
 20V11A-86B22R 
20V11A-86C22R 
20V11A-86D22R
 20V12A-86A22R 
20V12A-86B22R
 20V12A-86C22R 
20V12A-86D22R
 20V14A-86A22R 
20V14A-86B22R
 20V14A-86C22R 
20V14A-86D22R
 25V10A-86A22R 
25V10A-86B22R
 25V10A-86C22R 
25V10A-86D22R
 25V12A-86A22R
 25V12A-86B22R 
25V12A-86C22R
 25V12A-86D22R
 25V14A-86A22R
 25V14A-86B22R
 25V14A-86C22R 
25V14A-86D22R
 25V15A-86A22R
 25V15A-86B22R
 25V15A-86C22R
 25V15A-86D22R
 25V17A-86A22R
 25V17A-86B22R 
25V17A-86C22R
 25V17A-86D22R
 25V19A-86A22R
 25V19A-86B22R
 25V19A-86C22R 
25V19A-86D22R
 25V21A-86A22R 
25V21A-86B22R
 25V21A-86C22R
25V21A-86D22R
 35V21A-86A22R
 35V21A-86B22R
 35V21A-86C22R
 35V21A-86D22R
 35V25A-86A22R 
35V25A-86B22R
35V25A-86C22R
 35V25A-86D22R
 35V30A-86A22R
 35V30A-86B22R
 35V30A-86C22R
 35V30A-86D22R
 35V32A-86A22R 
35V32A-86B22R 
35V32A-86C22R 
35V32A-86D22R
 35V35A-86A22R
 35V35A-86B22R
 35V35A-86C22R
 35V35A-86D22R
 35V38A-86A22R
 35V38A-86B22R 
35V38A-86C22R
 35V38A-86D22R
 45V42A-86A22R
 45V42A-86B22R
 45V42A-86C22R
 45V42A-86D22R
 45V45A-86A22R
 45V45A-86B22R
 45V45A-86C22R
 45V45A-86D22R
 45V50A-86A22R
 45V50A-86B22R 
45V50A-86C22R 
45V50A-86D22R
 45V57A-86A22R
 45V57A-86B22R
 45V57A-86C22R 
45V57A-86D22R
 45V60A-86A22R
 45V60A-86B22R 
45V60A-86C22R
 45V60A-86D22R
 45V66A-86A22R
 45V66A-86B22R 
45V66A-86C22R
 45V66A-86D22R
 45V76A-86A22R
 45V76A-86B22R
 45V76A-86C22R 
45V76A-86D22R
不同液压系统如何正确选择使用液压油
    武汉星兴达液压气动设备有限公司专业生产液压站、液压油缸、轴向柱塞泵、叶片油泵、齿轮油泵、液压马达 、液压阀、液压元件、气动阀、气缸、气动三联件、气动元件.本公司1992成立以后，以设计、生产、代理、经营气动元件、液压元件、液压设备等为主导产品的股份制造企业，也是华中地区**业一家通过ISO9001：本公司产品质量管理体系一次性复审合格的企业，具有很强的产品设计、开发和生产能力。近几年来，通过引进国内外先进的生产加工技术、消化和改进，使本公司的产品在不断更新换代。 　　
    根据一些资料统计证明，液压系统产生故障的原因有70％～85％是由于液压油受污染变质而引起的。因为液压系统所用的各种泵、阀类元件，相对运动件之间都有光洁度很高的配合面和精密度很高的配合间隙，有些元件还设有阻尼孔、缝隙式控制阀口，如果油液中混人杂质，将会堵塞这些缝隙、小孔，阻碍油液的运动，破坏液压件的正常工作。如杂质进人阀内，就可能破坏阀芯与阀体的配合面，或卡在它们中间，造成阀的密封不严或动作不灵。如油液中污物过多，将会堵塞滤油器，使系统循环受阻，安阀常常开启，冷却不良，系统温度升高。所以，保持液压系统和液压油的清洁，是维护液压系统的关键。油液污染对系统的危害主要如下：
（1）元件的污染磨损
　　油液中各种污染物引起元件各种形式的磨损，固体颗粒进入运动副间隙中，对零件表面产生切削磨损或是疲劳磨损。高速液流中的固体颗粒对元件的表面冲击引起冲蚀磨损。油液中的水和油液氧化变质的生成物对元件产生腐蚀作用。此外，系统的油液中的空气引起气蚀，导致元件表面剥蚀和破坏。
(2)元件堵塞与卡紧故障
　　固体颗粒堵塞液压阀的间隙和孔口，引起阀芯阻塞和卡紧，影响工作性能，甚至导致严重的事故。
(3)加速油液性能的劣化
　　油液中的水和空气以其热能是油液氧化的主要条件，而油液中的金属微粒对油液的氧化起重要催化作用，此外，油液中的水和悬浮气泡显着降低了运动副间油膜的强度，使润滑性能降低。为此，应做到以下几点： 
（1）按说明书的规定，选用合适的液压油。①液压油的种类及精度要求，必须依据液压系统和元件厂家的具体规定和要求；②如果因故使用代用油时，则尽可能满足原牌号油的性能要求；③切忌不同牌号的液压油混合使用。 
（2）采用封闭式油箱，在油箱人口处安装具有一定精度的空气滤清器。 
（3）在使用过程中，应防止水分、乳化液。灰尘。纤维杂物及其它机械杂物的侵人。
（4）液压油的油量要适当。液压油箱的油量在系统管路和元件充满油后，应保持在规定的油位范围内。 
（5）元件、管路和系统在投人使用前，必须进行严格的清洗。
（6）加油时必须严格过滤。经常检查滤油器，发现脏时予以更换。