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Hi,
I am trying to figure out how to get the correct valve size for a uni question.
What I am struggling with is the Xt value (critical pressure differential ratio).
From what I can figure out, you need the Xt value to find the Cv/Kv value. But it says in the Emerson Control Valve Handbook that you should pick the Xt value you think is appropriate.
How do you know what Xt value will be appropriate?
Thanks
I am trying to figure out how to get the correct valve size for a uni question.
What I am struggling with is the Xt value (critical pressure differential ratio).
From what I can figure out, you need the Xt value to find the Cv/Kv value. But it says in the Emerson Control Valve Handbook that you should pick the Xt value you think is appropriate.
How do you know what Xt value will be appropriate?
Thanks