力士乐Rexroth单向阀R900989095 Z2FS10-5-34

工业液压元件：

 液压泵（轴向柱塞泵、径向柱塞泵、外啮合齿轮泵、内啮合齿轮泵、叶片泵），马达（轴向柱塞马达、外啮合齿轮马达），开/关阀（单向阀、电磁阀、换向阀、溢流阀、减压阀、流量控制阀、二通插装阀），高频响比例伺服阀 （比例方向阀、比例溢流阀、比例流量阀、高频响应阀、方向伺服阀、比例插装阀、压力补偿器），电子元件（比例阀放大器、液压泵放大器、控制轴放大器、比例阀七芯插头、传感器插头、电磁阀插头），传感器和信号发生器（压力传感器、电子压力开关、压力继电器、摆角传感器、压力表）；蓄能器（液压蓄能器、隔膜式蓄能器、皮囊式蓄能器），过滤器（油路过滤器、过滤器滤芯）；

力士乐Rexroth、本特利Bently、安沃驰Aventics、威格士VICKERS；迪普马Duplomatic、阿托斯ATOS、派克Parker、油研YUKEN；爱尔泰克AIRTEC、世格ASCO、SMC、费斯托Festo、贝加莱B&R、西门子Siemens、光洋KOYO、欧姆龙Omro

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单向阀又称止回阀或逆止阀，用于液压系统中防止油流反向流动,或者用于气动系统中防止压缩空气逆向流动。

单向阀工作原理

单向阀依靠介质本身流动而自动开、闭阀瓣，用来防止介质倒流，泵及驱动电动机反转，以及容器介质的泄放。单向阀可用于给其他压力升至超过系统压的辅助系统提供补给的管路上

单向阀的作用是只允许介质向一个方向流动，而且阻止反方向流动。通常这种阀门都是自动工作，在同一个方向流动的流体压力作用下，阀瓣打开；流体反方向流动时，流体压力和阀瓣的作用于阀座，从而切断流动。