MOOG servo valve d661-4577c

Proportional valve and American Moog moog Servo valve D661-4577C What are the characteristics and differences in the hydraulic system ？ Next, I'd like to say something to you .

Throttle control is realized through electronic control （ Of course , Pressure control can also be achieved through structural changes ）, And due to throttling control , So there is energy loss , And American Moog moog Servo valve D661-4577C Different from other valves , Its energy loss is relatively high , Because it requires a specific flow rate to maintain the operation of the front stage control circuit .

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The difference lies in ：

Moog, USA moog Servo valve D661-4577C The difference between and proportional valve is not strictly limited , In recent years, the performance of the proportional valve has become better and closer to the servo valve , So the proportional servo valve has appeared .

If you have to , The differences are mainly reflected in the following aspects ：

1. In the United States, Moog moog Servo valve D661-4577C There is no deadband at the median position of , There is a dead zone in the middle position of the proportional valve ;

2. Moog, USA moog Servo valve D661-4577C High frequency response （ Frequency response ）, It can be as high as about 200 Hz, The proportional valve usually has tens of Hz Higher frequency response ;

3. Moog, USA moog Servo valve D661-4577C High requirements for hydraulic oil , Must go through fine filtration , Otherwise, it will cause blockage , The proportional valve has lower requirements for hydraulic oil .

The proportional directional valve is a proportional valve that controls the flow and direction .

The above is the American Moog shared by Ningbo Sicheng He Jing moog Servo valve D661-4577C Some related contents of , I hope that's helpful , If there is any deficiency , Welcome to comment and discuss .