Pressure regulators play an important role in fluid systems for a variety of applications by reducing inlet pressure to a lower outlet pressure and keeping outlet pressure stable when inlet pressure fluctuates. Various factors need to be considered when selecting a pressure regulator, the most important of which include: flow, pressure, temperature, media and sensing mechanism.
The size of a pressure regulator is determined by the system flow. Selecting a properly sized pressure regulator facilitates its functional performance, and usually a larger pressure regulator allows for more reliable pressure control at higher flows. The following questions should be considered when selecting a pressure regulator: What is the maximum flow required? What is the flow variation range?