06262017Mon
Last updateMon, 26 Jun 2017 5pm

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Why Air Valves are Needed in Water Applications

Why Air Valves are Needed in Water Applications

Air valves are hydromechanical devices d...

Achieving Profitability Through Maintenance Management

Achieving Profitability Through Maintenance Management

One of the distinctions between maintena...

Control Valve Positioner Performance Diagnostics

Control Valve Positioner Performance Diagnostics

There has been discussion for some years...

Are Your Safety Instrumented Systems Proof Tests Effective?

Are Your Safety Instrumented Systems Proof Tests Effective?

Many people assume that a proof test of ...

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Industry Headlines

VMA Members Lead MDM Top Industrial PVF Distributors List

-1 DAYS AGO

Modern Distribution Management (MDM) recently published its Top Distributors list for 2017. Four of the top 5 distributors in the Industrial PVF category ; MRC Global, NOW Inc., Wolseley Industrial Group and FloWorks International; are currently VMA members.

“While oil & gas markets have start...

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ITT Announces President of Industrial Process Business

3 DAYS AGO

ITT Inc. has appointed David J. Malinas as president of its Industrial Process business, reporting to Luca Savi, ITT's COO. In this role, Malinas will be responsible for delivering the strategic and operating plans of ITT's Industrial Process business, which employs about 2,500 people globally and h...

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Oil Companies Turn to Data for Better Drilling

-1 DAYS AGO

“In today's U.S. shale fields, tiny sensors attached to production gear harvest data on everything from pumping pressure to the heat and rotational speed of drill bits boring into the rocky earth,” Reuters reports .

“The industry has long used sophisticated technologies to find oil and...

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Dominion Energy Building New Hydroelectric Storage in Virginia

-1 DAYS AGO

“Dominion Energy is searching for sites in the coalfields of Southwest Virginia where it can build a pumped hydroelectric storage facility,” the Bristol Herald Courier reports .

New bills that have been signed into law “authorize electric utilities, such as Dominion or Appalachian Powe...

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Economic Indicators Index Rises for Fifth Straight Month

2 DAYS AGO

The Conference Board Leading Economic Index (LEI) for the U.S. increased 0.3% in May to 127.0, following a 0.2% increase in April, and a 0.4% increase in March.

“The U.S. LEI continued on its upward trend in May, suggesting the economy is likely to remain on, or perhaps even moderately above, its...

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U.S. Manufacturing Technology Orders Continue Strong Recovery

3 DAYS AGO

Manufacturing technology orders made year-over-year gains in April according to the latest U.S. Manufacturing Technology Orders report from The Association For Manufacturing Technology (AMT). It was also the first month that orders showed gains year to date for 2017.

Monthly orders were up 12.3% compar...

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2003 Articles

WINTER

Intelligent Electric Valve Actuators: End-User Benefits
Carl Johnson, Rotork Controls
By fully utilizing the capabilities of today’s intelligent valve actuators, users can improve efficiency, increase productivity, and enhance valve-related safety and security.

Purchasing Duplex Stainless-Steel Castings: Beyond Specifications
Dick Warda, Highland Foundry Ltd.
Duplex and super-duplex stainless steels offer the corrosion-resistant alloy industry a unique, added-value combination of corrosion resistance, mechanical properties and cost reduction.

Gas Transmission Valves, How Do You Choose?
Barret Niehus, CCI
How to optimize choice of vendors and minimize time required to specify equipment by defining performance characteristics early in the valve design process.

Control Valve Selection for Chemical Service
Dale Stepanek, DFT, Inc.
Use the “size/cost” method when facing technical overload.


SPRING


Advanced Packing Technology Minimizes Maintenance, Improves Performance of Knife Gate Valves
Al Libke, DeZURIK/SPX Valves and Controls
The brute-force ruggedness and affordability of the knife gate design, combined with the packing performance of much costlier valves can only mean broader horizons for this workhorse valve.

The Future for Triple Offset Butterfly Valves
John Furness, Curtiss-Wright Flow Control
After years of development and testing, the butterfly valve of today is now a precision-engineered product capable of being used effectively in a wide range of applications that were previously only considered suitable for gate, globe or ball valves—and at a fraction of their cost.

Guidelines for Selecting the Proper Valve Characteristic
Michael Headley, Fisher Controls International
Need to decide what valve characteristic to use? This article makes recommendations for the four basic process controlling variables: liquid level, pressure, flow and temperature.

PRODUCT FEATURE: Technological Advances from Suppliers to the  Valve & Actuator Industry
Mark Francis, VMA Staff
Suppliers play a key role in the U.S. and Canadian valve industry. They provide raw material, components and process equipment used by valve and actuator manufacturers.

Made in the USA?
Doug Clendenin, Crane Valves North America
Determining the country of origin of a particular product can lead you on a long and convoluted path. Here, a global valve manufacturer talks about what’s really important when it comes to determining a valve’s origin.


SUMMER


Preventive Maintenance on Automated Valves
Chris Warnett, Rotork Controls
If you would like to take full advantage of the benefits and capabilities of today’s actuators and software, but don’t have the time or expertise to spend on maintaining these complex products, consider having the equipment’s manufacturer handle your maintenance program.

The Enemy Within: Critical Operating Conditions in Control Valves
Ralph Herbrich, Ph.D., SAMSON AG
To avoid problems with the control valve process, the best strategy is to tailor the valve to the specific application. If unexpected problems such as cavitation and flow limitation occur, consider installing special throttling elements in standard valve bodies.

The Control Valve’s Hidden Impact on the Bottom Line (Part 1)
Bill Fitzgerald, Emerson Process Management, and Charles Linden, Omaha Public Power District
Control valves can affect your bottom line in ways you may never have considered. In the first of a two-part article, the authors discuss control valve performance issues.

PRODUCT FEATURE: Advances in Valve and Actuator Technologies
Mark Francis, Valve Magazine staff
Valve and actuator manufacturers continue to produce new and innovative products. Their goal? To help users reduce maintenance costs and simplify plant operations.


FALL


Valves and the CPI: Helping Each Other Survive
Pamela Valenzuela, ­freelance writer
In today’s challenging economic environment, solid partnerships between valve makers and CPI users have never been more critical.

The Control Valve’s Hidden Impact on the Bottom Line (Part 2)
Bill Fitzgerald, Emerson Process Management, and Charles Linden, Omaha Public Power District
The authors describe recommended maintenance practices and present several case studies.

Finally…A True Electric Fail-Safe Spring Return Actuator
Gregg Alvarado, Bernard Controls
Thanks to advancements in technology and engineering design, today’s electric fail-safe actuators are available for a wider range of critical applications.

Inside the Box
Charlie Marcum, TopWorx
To learn what makes a “smart” valve, take a look at the discrete valve controller, the device used to control and monitor automated valves.

PRODUCT FEATURE: Chem Show Product Spotlight
Mark Francis, VMA staff
If you’re going to the 2003 Chem Show in New York and want to preview some of the products on display, check out

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