Adjust a Pressure Reducing Valve?

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Heiko  Getner
Heiko Getner on 25 Mar 2019
Answered: Yifeng Tang on 2 Sep 2022
Hallo,
how can I adjust some given pressure with one Valve.
The "Pressure Reducing Valve" can only adjust one pressure, but I need a Valve for adjustable pressure.
How can I do that?
Thanks for yout help and sorry for my bad english :)

Answers (1)

Yifeng Tang
Yifeng Tang on 2 Sep 2022
I am guessing, you are trying to build a valve block that will achieve any given pressure at its outlet?
I think the best way to model the "behavior" of this valve is to add some control elements to a variable orifice. The orifice will open wider if the outlet pressure is too high, and vice versa.
If the set pressure comes from a pilot pressure signal, you can also use valve actuator blocks to reference the outlet valve pressure, so at equilibrium, the outlet pressure will match the pilot command.
Sorry I am making lots of assumption with my answer. More clarification on the question would help.

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