What exactly does the term “guidance” mean in the context of control valve types?
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What exactly does the term \"guidance\" refer to in the types of control valves? For example, seat-top guidance, single-seat (double-seat) upper guidance (cover guidance), lower guidance, sleeve guidance, seat guidance, and so on
The guidance should be to prevent the axis of moving components from deviating upward or downward.
Guidance means directing the direction so that it doesn’t wander off.
As the name implies, guidance is used to direct the valve core in the correct direction
Guidance ensures that the moving parts move along a specified trajectory.
Guidance serves to prevent left-right oscillation as the valve core moves up and down, and it is installed along the upper and lower paths