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The rate of flow would not be affected by turning the pressure knob. If a little pressure reduction valve change does not result in the building's desired water flowrate.
While increasing pressure alters the fluid's velocity, it also reduces flow or output. The volumetric performance of the pump as well as the slower motor speed are the two causes of the flow reduction. By reducing outlet and flow rate, PRVs successfully serve multiple purposes, including lowering excessive water use and noise from the plumbing system. The control of flow rates is not a function of pressure regulators. While pressure controllers used in systems that flow naturally have an impact on the flow by regulating the level, they are not intended to control the flow. Generally speaking, rotating the screw or knob in a clockwise direction raises the water pressure whereas doing the opposite usually lowers the pressure. Since this is the reverse of how faucets function, it may seem counterintuitive at first.
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