07242016Sun
Last updateFri, 22 Jul 2016 4pm

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What Internal Best Practices Can Do for Valve Selection

As time goes by, technology moves forward, lessons are learned and industry requirements evolve. Personnel come and go, and facilities are bought and sold. The by-products of this evolution are changes to both industry best practices and corporate requirements.


The Limits of Standard Manual Globe Valves for Throttling

A common practice in process services is to use manual globe valves with hand wheels for regulating flow. These valves are relatively simple, rising stem devices that use a screwed stem to drive a disk into a seat horizontal to the flowing stream. For the most part, this practice has been effective. However, significant instances have occurred where these valves failed, particularly when they are used as maintenance bypass valves around control valves. Standard manual globe valves should be used with caution.

Mistakes and Misconceptions in Valve Leak Testing

Normally, valves are pressure tested by the factory to check for leaks before they’re shipped. The type and method of testing conforms to one or more of many different standards. The purpose of these tests and the expected results are often misunderstood and misapplied, resulting in unnecessary delays and unanticipated costs.

Cybersecurity: Protecting Critical Infrastructure

It’s hard to imagine an issue more front-and-center on most people’s minds today than cybersecurity—in particular, what will happen if the world’s infrastructure systems are attacked. Dr. Curtis Levinson of the Center for Strategic Cyberspace + Security Science, opened his remarks at a recent symposium by pointing out, “the water supply, dams, tunnels, the power grid and highways are all vulnerable to cyberattacks. This is not a national issue, it is international. The grids are interconnected. Imagine trying to survive and recoup from a concerted cyberattack on infrastructure.”

Changing the Way Americans Think About Manufacturing Careers

The Valve Manufacturers Association is focusing a major effort on developing a solution to a problem that plagues this industry as well as most of the industrial world: how to find and attract talented new workers. While VMA can help in forming a solution, the association can’t do it alone—industrial companies themselves need to rethink recruiting methods and ways to improve the image of manufacturing and heavy industry.

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