How are the flow characteristics of sleeve valves reflected?
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The flow characteristics of a control valve can be altered by changing the shape of the valve core. So, in the case of a noise-reducing sleeve valve, where there is a sleeve surrounding the valve core, how are different flow characteristics achieved? Is it through the shape and number of holes in the sleeve? Or what?
This is achieved through the shape of the openings in the sleeve.
Agree with what was said above. As for the shape of the openings, I’m not sure about the number of them; I’ve seen ones with four openings, but it seems there might also be ones with two or five openings. I’m not certain because such cases are not common. Ordinary control valves are used in such situations
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Does that mean that for the same valve, the flow characteristics can be changed simply by replacing different sleeves?