Hello, everyone. What valve should be added to keep the outlet flow and pressure stable after installing a ball valve to adjust the flow in natural gas pipeline?

There is no need to install a ball valve, but the pressure stability depends on the gas pressure regulator, and the change of flow rate is caused by the change of load. In other words, the downstream users use a large amount of gas, the flow is large, and the gas consumption at night is naturally small. The flow rate should fluctuate, there is no need to limit it deliberately, and the two parameters, pressure and flow rate, cannot be confused. What do you mean you need to stabilize the flow rate?