原装低价美国PARKER派克齿轮泵中国一级代理

原装低价美国PARKER派克齿轮泵中国一级代理

    派克PARKER齿轮泵的主要特点就是结构简单、体积下、重量轻、转速高且范围大、自吸能力好，对油液污染不敏感、工作可靠、维护方便和价格低廉等，在一般液压传动系统中，特别是工程机械方面应用的比较广泛。由于齿轮两端面与泵盖的间隙以及齿轮的齿顶与泵体内表面的间隙很小，因此，一堆齿合的轮齿，将甭提、前后泵盖和齿轮包围的密封容积分割成左右两个密封工作腔。当原动机带动齿轮旋转时，右侧的轮齿不断推出齿合，而左侧的轮齿不断进入齿合，因呲合点半径小于齿顶圆半径，右侧推出齿合的轮齿露出齿间，其密封工作腔逐渐增大，行程局部真空，油箱中的油液在大气压力的作用下经泵的吸油口进入这个密封油腔-吸油腔。随着齿轮的转动，吸入的油液被齿间转移到左侧的密封工作腔。左侧进入齿合的轮齿使密封油箱-压油腔容积逐渐减小，把齿间油液挤出，从压油口输出，压入液压系统。这就是齿轮泵的吸油和压油过程。

原装低价美国PARKER派克齿轮泵中国一级代理

     派克齿轮泵设有差压式安全阀作为超载保护，安全阀全回流压力为泵额定排出压力1.5倍。也可在允许排出压力范围内根据实际需要另行调整。但是此安全阀不能作减压阀长期工作，需要时可在管路上另行安装。该齿轮泵泵轴端密封设计为两种形式，一种是机械密封，另一种是填料密封，可根据具体使用情况和用户要求确定。

原装低价美国PARKER派克齿轮泵中国一级代理

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