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Rotary valve current issue

2018-08-02View Original

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Help: The no-load current of the on-site rotary valve is slightly higher than the current under load. What’s going on? The rotary valve is from COPERION, and it is used for transporting powdery materials. The situation on site is like this: 4.0A when unloaded, and 3.8A when under load
Reply #22018-08-20
Engineer Sun, it’s because of your posts that I came across this.

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