HAWE比例调压阀技术特性，哈威比例调压阀材质寿命
Pressure regulator can be said that the basic pressure relief valve, the working principle of the valve as follows:
High-pressure medium through a small hole into a relatively large cavity to achieve decompression,
In fact, by blocking the pressure, the diaphragm or piston on both sides of the mouth is the outlet,
主要作为执行机构的预调节阀,可达19bar
此压差＝PA-PR,并与比例电磁铁的电流成比例变化.
通过出口A处的压力PA可以操纵液压执行机构,并可实现对对变量泵,比例阀等的无级调节.
比例电磁铁的功率需求非常低,
样本D78817/1,D7831/1或D7835中的EV型放大器以及D7845 FF 中的PLVC型可编程总线控制器可以作为控制装置。
P口处允许进口压力(系统压力)被限制在40bar,在较高压力情况下,
为避免惯性时间后的调节不准确以及切换跳跃,需将压力预先降低至PP＝40bar。
单阀订货实例;PM11-7-B0,6-G24/1
阀组订货实例;PMZ1A51-11/1-11/1-1-G24
One side is man-made pressure, and control the size of the stem and the diaphragm (piston) connected,
So as long as a fixed pressure, then the pressure of the outlet chamber will always be equal to this pressure,
This given pressure can be provided by a spring or air source or hydraulic source.
压力差Pmax=19 bar
流量Qmax=2 lpm
概述
PM和PMZ型调压阀为钢制直动式调压阀,由阀体,调节阀心,阀套和比例电磁铁构成。
它能将由P口处进入的不稳定的系统压力在阀出口A处降低为一个较低的,恒定的压力差。
调压阀基本可以说是减压阀，减压阀的工作原理如下：
高压介质通过一个小孔充到一个相对较大的腔里实现减压，
This differential pressure = PA-PR,
and with the proportional electromagnet current proportional change.
The pressure PA at the outlet A can be operated by the hydraulic actuator and
the stepless adjustment of the variable pump, proportional valve, etc. can be achieved.
Proportional electromagnet power requirements are very low,
HAWE比例调压阀技术特性，哈威比例调压阀材质寿命
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