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Last updateFri, 22 Jul 2016 4pm

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Wastewater Treatment

Wastewater Treatment

Society’s desire for a clean envir...

Controlling Our Water Systems, Part II

Controlling Our Water Systems, Part II

To better understand the actuators and c...

Controlling Our Water Systems

Controlling Our Water Systems

Actuators and controls are a critical pr...

Hardfacing Alloys and Processes for Advanced Ultra-Supercritical

Hardfacing Alloys and Processes for Advanced Ultra-Supercritical

Cobalt-based Stellite 6 has been the wor...

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Basics of Elastomeric Seal Design

Basics of Elastomeric Seal Design

Wednesday, 20 July 2016  |  Kate Kunkel

Engineers need critical design information when choosing a seal for a particular valve application. This includes:

  • Operating temperature and pressure r...

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Industry Headlines

Pentair Valves & Controls Rolls Out Customer Education Program

3 DAYS AGO

Pentair Valves & Controls has introduced the Pentair University customer education program for past, present and prospective clients and industry leaders in various locations throughout the world. Pentair University’s invitation-only seminars are free to attend. In some regions of the worl...

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Watson Valve Names Bob White New President

3 DAYS AGO
Watson Valve Names Bob White New President

Watson Valve Services Inc. has named Robert “Bob” White as its new president. The current president, John M. Watson, will remain as the company’s CEO.

Bob has served as executive vice president, and ownership, of Watson Valve Services since its inception in 2002. He has continued to p...

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Canadian Oil & Gas Earnings Signal Industry Recovery

2 DAYS AGO

The Canadian oil and gas earnings season began yesterday with “signs of an industry recovery as Encana Corp and Precision Drilling Corp outlined plans to boost activity,” Reuters reports .

Analysts say “the uptick in optimism might be mirrored by some U.S. shale companies like Pioneer ...

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U.S. Lower 48 Sustains $150B in Cuts by Upstream Developers

3 DAYS AGO

Out of the more than $370 billion in global capital expenditure cut by upstream developers across 2016 and 2017, $150 billion was slashed in the U.S. Lower 48 alone — more than three times any other single country. Largely due to responsiveness and flexibility in the unconventional space, spen...

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STEM Jobs in the U.S. Growing Faster Than Other Fields

3 DAYS AGO

The U.S. Department of Commerce estimates that jobs in STEM will grow 17% by 2018—that’s 55% faster than non-STEM jobs over the next decade. Several reports have linked STEM education to the continued scientific leadership and economic growth of the U.S. However, economic projections also ...

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IMF Cuts Global Growth Forecast After Brexit Vote

4 DAYS AGO

The International Monetary Fund (IMF) cut its forecasts for global economic growth this year and next as the unexpected U.K. vote to leave the European Union creates a wave of uncertainty amid already-fragile business and consumer confidence.

The global economy is projected to expand 3.1% this year a...

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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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