美国派克PARKER批发方向控制阀

　　美国派克PARKER方向控制阀

　　在实际应用中，可根据不同的需要将方向控制阀分成若干类别：

　　（1）按照气体在管道的流动方向，如果只允许气体向一个方向流动，这样的阀叫做单向型控制阀，比如单向阀，梭阀等；可以改变气体流向的控制阀叫做换向阀，比如常用的2way2port，2way3port，2way5port，3way5port等。

　　（2）按照控制方式可分为电磁阀，机械阀，气控阀，人控阀。其中电磁阀又可以分为单和双电控阀两种；机械阀可分为球头阀，滚轮阀等多种；气控阀也可分为单气控和双气控阀；人力阀 可以分为手动阀，脚踏阀两种。

　　（3）按工作原理可以分为直动阀和先导阀，直动阀就是靠人力或者电磁力，气动力直接实现换向要求的阀；先导阀是由先导头和阀主体2部分构成，有先导头活塞驱动阀主体里面的阀杆实现换向。

　　（4）根据换向阀杆的工作位置可以将阀分为2way，3way阀。

　　（5）根据阀上气孔的多少来进行划分，可以分为2port，3port，5port阀。

　　销售的产品有：柱塞泵、齿轮泵、比例阀、伺服阀、伺服放大器、比例放大器、各类传感器、液压系统及附件等产品，可以满足客户zui迫切的需求。产品广泛应用于冶金、矿山、工程机械、石化、纺织、塑机等行业。

　　美国派克parker方向控制阀型号参考：

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　　美国派克PARKER方向控制阀