Can a stop valve prevent the medium from flowing back?
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A check valve can prevent the medium from flowing back. Can a globe valve prevent the medium from flowing back?
No, unless it’s a check valve.
“\"Can a stop valve prevent the medium from flowing back?\" — Yes. But if it closes in a big way. There is no automatic shutdown function. Or it can be controlled by an actuator with an automatic interlock function; also, “May I ask if a stop valve can prevent the medium from flowing back?” Hehe, this question should actually address things like the structural principle of globe valves, their scope of application, and so on. With this understanding, it’s no longer a problem.
If it is not turned off, backflow of the medium cannot be prevented.
It has a direction, but it cannot prevent the medium from flowing back; it does not have that function.
A stop valve can prevent the flow of the medium, but it cannot prevent backflow.
None can prevent backflow 100%
No, there is a one-way stop valve that needs to be ordered separately