Answer :
Final answer:
The device that protects the pipeline by decreasing pressure is the Pressure Safety Valve, which opens at set pressure levels to relieve excess pressure. This prevents potential ruptures or failures in the pipeline system. Other devices like the inlet block valve and pressure bladder do not serve this function.
Explanation:
Understanding Pressure Regulation in Pipelines
In pipeline systems, safety is crucial, and one of the key devices used to maintain safe pressure levels is the Pressure Safety Valve
This device is designed to automatically open when the pressure inside the pipeline reaches a preset level, allowing excess pressure to be relieved safely. Once the pressure reduces below this preset value, the valve will close again, thus protecting the pipeline from overpressure situations which could lead to possible ruptures or failures.
Pressure safety valves are commonly used in various industries including oil and gas, water treatment, and chemical manufacturing, highlighting their essential role in maintaining system integrity.
Comparison with Other Devices
- Inlet Block Valve: This is primarily used to shut off the flow, not to regulate or relieve pressure.
- Pressure Bladder: Generally used for dampening pressure fluctuations rather than actively relieving excess pressure.
- Pressure Safety Low Pilot: This device might trigger actions when the pressure is too low, which is the opposite of what the question describes.
In summary, the Pressure Safety Valve is the critical device that protects pipelines by decreasing pressure when it reaches unsafe levels.
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