Views: 0 Author: Site Editor Publish Time: 2021-03-12 Origin: Site
Today the butterfly valve manufacturer tells you how to control the flow rate of the metal hard seal butterfly valve, let's take a look with the editor.
1. Among all the known valves, the sealing structure and sealing materials of the hard-sealed butterfly valve are quite excellent, so it is not suitable for use in high-temperature places. There is now an electric hard-sealed butterfly valve, which is more advanced. It has a very good conjoined structure, and has excellent temperature resistance and corrosion resistance. More and more people use it. The multi-layer sealing ring is fixed on the valve plate. Compared with the transmission valve, this valve is simple to operate. A lot of it, there will be no friction when opening and closing, and no increase in compensation seal due to the transmission mechanism when closing, which improves the service life of the valve!
2. The relationship between the valve opening and the flow rate is basically a proportional change. If it is used to control the flow rate, the flow characteristics of this kind of valve are closely related. If the valve diameter is installed between the two pipelines, Then the forms are equal. If the coefficients of the pipes are different, the flow rate will be very different!
3. When the valve is in a relatively large throttle range, cavitation is prone to occur on the back of the valve plate. At this time, if the valve is used forcibly, it will cause great damage to the valve. At this time, the valve should be closed immediately and the throttle should be adjusted. The magnitude of the flow is in use!