Last updateThu, 15 Mar 2018 4pm


Safety-Relief Valve FAQ

Our company routinely receives inquiries from end users about their safety-relief valves.

Here are some of the most frequently asked questions...

Q:  What is the proper way to install a safety or safety-relief valve?

A: Safety and safety-relief valves should be installed vertically with the drain holes open or piped to a convenient location. All piping must be fully supported.


Three Golden Rules for Severe Service Valves

If you’d just bought a new high-performance sports car, you’d likely protect your investment by following the manufacturer’s instructions for breaking in the engine. You’d also probably leave the spare tire in the trunk so that a flat wouldn’t leave you stranded on the side of the road.

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.



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