What is a major disadvantage of direct operated regulators?

Direct operated regulators are designed to control pressure in a straightforward manner. However, a significant disadvantage of these regulators is poor sensitivity. This means that they may not respond well to small changes in pressure, resulting in an inability to maintain precise control in applications where minor adjustments are crucial. This lack of sensitivity can lead to fluctuations in pressure, which can be problematic in systems that require stable and consistent pressure delivery.

In contrasting characteristics, cost-effectiveness, high efficiency, and simple installation are generally considered benefits of direct operated regulators. They are typically less expensive, often require fewer components, and can be easier to install compared to other types of regulators. However, the acceptable trade-off for these advantages is their sensitivity to pressure variations, which underscores why poor sensitivity is recognized as a primary disadvantage. Understanding this aspect is critical for selecting the appropriate regulation system based on the specific needs of a given application.