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3. Pressure Regulating Valves While similar to relief valves, these devices serve to maintain a preset pressure rather than simply relieving excess pressure.

These devices operate using a simple principle they adjust the flow of the inlet medium based on the downstream pressure. When the downstream pressure rises above the setpoint, the regulator will restrict the flow to maintain the desired pressure. Conversely, if the downstream pressure drops, the regulator allows more flow to compensate. This automatic adjustment ensures stable operational conditions.

Conclusion

There are several techniques and instruments used for measuring gases, each with its advantages and limitations. Some of the most common methods include

Applications of Shut-Off Valves