A11VO260LRS/11R-NPD12N00油泵河北秦皇岛

A11VO260LRS/11R-NPD12N00油泵河北秦皇岛柱塞泵的工作原理

   柱塞泵是液压系统的一个重要装置。它依靠柱塞在缸体中往复运动，使密封工作容腔的容积发生变化来实现吸油、压油。柱塞泵具有额定压力高、结构紧凑、效率高和流量调节方便等优点，被广泛应用于高压、大流量和流量需要调节的场合，诸如液压机、工程机械和船舶中。

   柱塞泵是往复泵的一种，属于体积泵，其柱塞靠泵轴的偏心转动驱动，往复运动，其吸入和排出阀都是单向阀。当柱塞外拉时，工作室内压力降低，出口阀关闭，低于进口压力时，进口阀打开，液体进入;柱塞内推时，工作室压力升高，进口阀关闭，高于出口压力时，出口阀打开，液体排出。当传动轴带动缸体旋转时，斜盘将柱塞从缸体中拉出或推回，完成吸排油。
A11VO260LRS/11R-NPD12N00油泵河北秦皇岛河北秦皇岛A11VO260LRS/11R-NPD12N00
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A11VO40LRS/10R-NSC12N00

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一般而言，系统的阻力数在热源的分、集水器（注：对于热源的分、集水器处的调节阀，其调节对象为整个供热系统，其散热量与流量的关系也类似图3的形状）、热力站处为大，干线分支处和用户的热力入口次之。对于柱塞式、开口式和套筒式阀芯的调节阀，它们全都采用截止阀的阀体，阀芯呈流开状态。在相同的测试条件下，一般来说，套筒式调节阀阻力大，开口式其次，柱塞式是小。语优先采用不利环路权度选型法选择电动调节阀，当理论计算可以满足阀门权度和流量时，甚至可以不用水力平衡措施。

以上型号不全~可咨询~