Learn how power plants can avoid downtime and damage by managing hydraulic actuators effectively.
Hydraulic actuators are critical for controlling gas and steam valves in power plants, ensuring efficient and safe electricity generation. These devices play a pivotal role in maintaining the required output and rotational speed by precisely regulating the flow of steam and gas. When hydraulic actuators malfunction, they can mechanically adjust the valves to a safe position, preventing disruption of flow or redirection, which is crucial for plant safety and operation.
The longevity and functionality of hydraulic actuators hinge on regular inspections and maintenance as specified by legal and manufacturer guidelines. The failure to maintain these actuators can lead to significant wear and tear, starting from the seals, which could escalate to more severe damage to other components. This negligence not only risks high repair costs but also extended downtime affecting production.
If plant operators ignore the maintenance schedules outlined in the operating and safety manuals, they risk losing SIL (Safety Integrity Level) conformity, which certifies the actuator for safety-related applications. Common issues like using contaminated hydraulic oil or improper placement can lead to failures in solenoid valves and increased wear on seals. Moreover, unsuitable environments, such as areas with high escaping steam temperatures, can lead to overheating, resulting in corrosion and other damage to critical safety components.
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