Difference between a throttle valve and a flow restrictor or orifice plate
Thread Content
I would like to ask everyone, what is the difference between a throttle valve and a flow restriction orifice plate? What are their respective features, and how should one make a choice?
A throttle valve is a valve that controls the flow rate of fluid by changing the throttling cross-section or throttling length. It offers a wide range of flow regulation with stable pressure difference. The pressure difference before and after the flow restriction orifice plate is quite significant
The throttle valve can be adjusted at any time, but the orifice plate cannot; to make adjustments, the orifice plate has to be replaced. ——But on the other hand, what prevents arbitrary adjustments is still the orifice plate safety device. For a orifice plate (referring to a single-orifice plate), the flow pattern at its outlet should be relatively uniform and evenly distributed, thereby preventing localized erosion in the pipelines downstream. When the valve is opened to a small degree, the fluid at the outlet will flow to one side; leakage easily occurs in such situations where the medium erodes the pipeline or the valve.