Is the butterfly valve of the pneumatic balance control valve connected on or off with 24V DC? 2、 Electrical control. Because the requirements of industrial automation level are improved, the application of pneumatic butterfly valve will become more, and the control requirements of the butterfly valve will become higher and more complex. Therefore, its design in the field of electrical cavitation is also changing. Speaking of the overall control of the pneumatic butterfly valve, attention should also be paid to selecting the control mode of the pneumatic butterfly valve. When it comes to the need of this project, whether centralized control mode or single control mode is adopted, whether it can be linked with other equipment, sequence control or computer sequence control, there are different control principles.
、 Second, the external flushing method is actually similar to the cleaning method, except that the liquid is replaced with gas or steam, so it needs to be carried out without the pneumatic butterfly valve moving.
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