These control gate valves are available with 3-position pneumatic actuator, and with stepper motor for controlling and isolation. A valve in combination with an adaptive pressure controller.
2
图3显示了实现三位置控制器更有效的方法。
Figure 3 shows a more efficient way to implement a three-position controller.
3
最通用的例子是三位置控制器。
The most common example is the three-position controller.
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