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美国PARKER比例阀,美国PARKER比例阀销售,美国PARKER比例阀供应

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美国PARKER比例阀,美国PARKER比例阀销售,美国PARKER比例阀供应 派克产品系列:轴向柱塞泵、叶片泵、齿轮泵 各种马达,各种常规液压阀、叠加阀、比例阀、伺服阀,压力继电器、压力传感器 ,用于泵、阀的电子控制器

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美国PARKER派克比例阀特点

1)可实现压力、速度的无极调节,避免了常通的开关式气阀换向时的冲击现象。

2)能实现远程控制和程序控制。

3)与断续控制相比,系统简化,元件大大减少。

4)与液压比例阀相比,体积小、重量轻、结构简单、成本较低,但响应速度比液压系统慢得多,对负载变化也比较敏感。

5)使用功率小、发热少、噪声低。

6)不会发生火灾,*。受温度变化的影响小。

所以使用比例阀或伺服阀的目的就是:以电控方式实现对流量的节流控制(当然经过结构上的改动也可实现压力控制等),既然是节流控制,就必然有能量损失,伺服阀和其它阀不同的是,它的能量损失更大一些,因为它需要一定的流量来维持前置级控制油路的工作。

PARKER齿轮泵PARKER液压泵热销中

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