美国VICKERS威格士叶片泵45V60A1A22R叶片泵，是转子槽内的叶片与泵壳（定子环）相接触，将吸入的液体由进油侧压向排油侧的泵。叶片泵转子旋转时，叶片在离心力和压力油的作用下，尖部紧贴在定子内表面上。这样两个叶片与转子和定子内表面所构成的工作容积，先由小到大吸油后再由大到小排油，叶片旋转一周时，完成两次吸油与排油。
20V5A1C22R
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20V11A1A22R
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20V12A1A22R
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25V10A1A22R
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25V14A1A22R
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25V17A1A22R
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35V25A1A22R
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35V30A1A22R
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35V30A-1B22L
35V30A-86A22R
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45VQ60A86C20
4535V60A25 1AA22R
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4525V60A12 AA22R
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2520V17A5 1AA22R
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2520V17A8 1CC22L
2520V17A8 1CB22R
2520V17A11 86DD22R
2520V17A11 1DD22R
2520V17A14 1AA22R
2520V17A14 1CC22R
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2520V21A2 1AA22R
2520V21A2 1CC22R
2520V21A5 1AA22R
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2520V21A5 1DD22R
2520V21A8 1AA22R
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2520V21A8 1CC22R
2520V21A8 1DD22R
2520V21A11 1AA22R
2520V21A11 1BB22R
2520V21A11 1CC22R
2520V21A11-1AB22R
2520V21A11-1DA22R
2520V21A12 1AA22R
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2520V21A12 1DD22R
叶片泵的管理要点除需防干转和过载、防吸入空气和吸入真空度过大外，还应注意：
1．泵转向改变，则其吸排方向也改变叶片泵都有规定的转向，不允许反。因为转子叶槽有倾斜，叶片有倒角，叶片底部与排油腔通，配油盘上的节流槽和吸、排口是按既定转向设计。可逆转的叶片泵必须专门设计。
2．叶片泵装配 配油盘与定子用定位销正确定位，叶片、转子、配油盘都不得装反，定子内表面吸入区部分较易磨损，必要时可将其翻转安装，以使原吸入区变为排出区而继续使用。
3．拆装 注意工作表面清洁，工作时油液应很好过滤。
4. 叶片在叶槽中的间隙太大会使漏泄增加，太小则叶片不能自由伸缩，会导致工作失常。
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