德国力士乐伺服阀R901382312?4WRPEH6C3B12L-3X\/M\/24A1

德国力士乐伺服阀R901382312 4WRPEH6C3B12L-3X/M/24A1

?力士乐比例阀 　电液比例阀简称比例阀。普通液压阀只能通过预调的方式对液流的压力、流量进行定值控制。但是当设备机构在工作过程中要求对液压系统的压力、流量参数进行调节或连续控制，例如.要求工作台在工作进给时按慢、快、慢连续变化的速度实现进给，或按一定精度模拟某个控制曲线实现旅力控制.普通液压阀则实现不了。这时可以用电液比例阀对液压系统进行控制。

电液比例阀是一种按输入的电信号连续地、按比例地控制液压系统的液流方向、流量和压力的阀类。它山电-机械比例转换装置和液压控制阀本体两大部分构成.前者将输入的电信号连续地按比例地转换为机械力和位移输出，后者在接受这种机械力和位移之后、按比例连续地输出压力和流量.

电液比例阀的发展主要有两个途径一是用比例电磁铁取代传统液压阀的手动调节装置或取代普通电磁铁发展起来的;二是由电液伺服阀简化结构、降低精度发展起来的。下面介绍的比例阀均指前者，它是当今比例阀的主流。与普通液压阀可以互换。

型号优势：

Bosch Rexroth比例阀R901382331? 4WRPEH6C4B12L-3X/M/24F1?

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力士乐液压元件: 柱塞泵A10VSO、电磁阀4WE、溢流阀DBW、节流阀Z2S、Z2F、叶片泵PV7、齿轮泵PH2,PH4,PGF、压力继电器HED、博世放大器 阀0811、0820 、齿轮泵0510、减压阀DR、ZDR、4WREE、4WRPE等系列优势供应

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力士乐比例阀,比例流量阀 液压阀

带位置反馈的先导式比例方向阀有10通径和35通径两种规格，高工作压力350 bar，大流量3000 L/min.

特点：

先导控制二级比例方向阀；阀用于控制液流的方向和大小；

通过比例电磁铁控制；

使用电位置反馈；

主阀芯弹簧对中；

先导控制为单级比例方向阀；

内置放大器。

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