力士乐REXROTH比例阀0811402070

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力士乐REXROTH比例阀0811402070  比例阀 阀对流量的控制可以分为两种：

一种是开关控制：要么全开、要么全关，流量要么、要么小，没有中间状态，如普通的电

 

磁直通阀、电磁换向阀、电液换向阀。

另一种是连续控制：阀口可以根据需要打开任意一个开度，由此控制通过流量的大小，这类阀有

 

手动控制的，如节流阀，也有电控的，如比例阀、伺服阀。

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。

力士乐比例阀控制器VT-DFP-A-21/G24K0/0/V R900703811

 

R900702586 VT-DFPE-A-2X/G24K0/2A0F/V-017

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R901135219 VT-DFPE-A-2X/G24K0/2A1E/V-014

R901103981 VT-DFPE-A-2X/G24K0/0B1F/V

R901073290 VT-DFPE-A-2X/G24K0/1D0V/V-019

R901040690 VT-DFPC-A-2X/G24K0/2A0V/V-001

R901036937 VT-DFPE-A-2X/G24K0/0A0C/V-018

R901031176 VT-DFPE-A-2X/G24K0/2D0V/V-019

R901029624 VT-DFPE-A-2X/G24K0/0A1E/V-014

R900979959 VT-DFPC-A-2X/G24K0/0A0C/V

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R900781524 VT-DFPE-A-2X/G24K0/1A0V/V

R900775570 VT-DFPE-A-2X/G24K0/0A1F/V

R900772810 VT-DFPE-A-2X/G24K0/2A0V/V-002

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R900750037 VT-DFPE-A-2X/G24K0/2A2V/V

R900730233 VT-DFPE-A-2X/G24K0/2A1C/V

R900724232 VT-DFPE-A-2X/G24K0/2A0C/V

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R900720216 VT-DFPE-A-2X/G24K0/0A1V/V-014

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R900720202 VT-DFPC-A-2X/G24K0/2A0F/V

R900718705 VT-DFPE-C-2X/G24K0/2A1C/V

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R900709949 VT-DFPC-A-2X/G24K0/0A0F/V

R900709145 VT-DFPC-A-2X/G24K0/1A0F/V

R900709023 VT-DFPE-A-2X/G24K0/0A0C/V

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R900703811 VT-DFP-A-2X/G24K0/0/V

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R900724228 VT-DFPE-A-2X/G24K0/0B0C/V

R900703811 VT-DFP-A-2X/G24K0/0/V

R900608753 VT-DFPE-A-2X/G24K0/0A0V/V

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