How to choose a steam pressure regulator
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The process requires a constant steam pressure; is it appropriate to use a flow integrator to control the interlock between the pressure transmitter and the pneumatic control valve (air-actuated valve) at this time? Are there any good solutions?
There’s absolutely no problem with the plan. For medium and high-pressure steam, higher requirements are placed on valves, and care must be taken when selecting them. Additionally: interlocking (not chaining), and interlocking and regulation are two distinct concepts.
Pressure single-loop control regulating valve; a higher-quality sleeve valve should be used for the regulating valve. If flow needs to be controlled, a control valve must be added.
Pressure-regulating pneumatic control valve; thank you for the correction.
Look at the pressure difference, flow rate changes, and pressure stability accuracy; if the accuracy is high, then more than one valve needs to be used for regulation
This post was last edited by Abing on 2019-2-27 at 15:31. For pressure stabilization, you just need to form a single-loop control system using the pressure transmitter and the control valve; it has nothing to do with flow meters! If a constant flow rate is still required, cascade control is used, combining the flow rate, pressure, and control valve
Dual control is also a good option!