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PSV Inspection: Test Only, or Full Inspection and Overhaul?

In today’s ever-changing, fast-paced world, uptime is at a premium, while remaining in compliance with governmental and plant regulations is a requirement. With increasing demands placed on plants to produce, it is necessary to look at different ways to perform inspections on pressure relief devices and minimize plant downtime. Many plants in the United States have opted to modify their plant PSM (process safety management) programs to allow a “test only” on each pressure relief device in lieu of a complete disassembly and “VR” overhaul. The intent of this article is to explain the pro’s and con’s of both methods, while balancing additional demands of productivity, cost, safety and environmental issues.


The Case for OEM Certified Valve Repair

In today’s competitive business environment, myriad challenges face the owner/operator of an industrial process plant. With economic pressures to get more out of invested assets, a steady progression toward truly global supply chains and end-user markets, and more stringent regulatory constraints, the industrial world is increasingly complex. To prosper in this environment, owner operators are relying more on equipment suppliers and business partners to ensure compliance to regulatory standards and to leverage the latest developments in technology. Add to this mix elevated criticality of safety in the process arena, and it is clear industry must make the most of every opportunity to effectively manage complexity and mitigate risks.

Check Valves: Repair or Replace?

In today’s environment of shorter outage windows and shrinking maintenance budgets, the maintenance team should explore all available options when faced with a decision to repair or replace a valve.

As an example, let’s consider the choices when a damaged seat is discovered in a large bore, high-pressure swing check and/or reverse current valve in a typical steam system. Due to the difficulty in making a successful seat repair on this type of valve, the traditional approach has been to “limp” along until a replacement valve is available and an extended outage window is planned to allow the project.

Effective Valve Field Service

The field service repair industry offers a number of on-site options for production plants needing regular or emergency maintenance. From valve repair and diagnostics to fugitive emissions solutions, on-site field service is a fast, cost-effective, and efficient way to help maintain production and reduce downtime.

Grease for Motor Actuator Maintenance

Maintaining the right amount of grease inside motor actuators that use grease for lubrication is a vital part of valve maintenance, and can save time and money by preventing problems before they happen. Inadequate lubrication is often the culprit in a malfunctioning motor actuator, and understanding how to effectively manage grease in motor actuators can be a simple way to keep costs down and to keep actuators out of the repair shop.

Motor actuators must have the correct amount and type of grease in the gear case to provide for trouble-free operation.

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