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Safety Relief Valve FAQs

Safety Relief Valve FAQs

Companies that repair, test, maintain or...

An Update on U.S. Valve-Related Standards

An Update on U.S. Valve-Related Standards

It takes much time and effort by many pe...

Diagnostics for Commissioning and Startup

Diagnostics for Commissioning and Startup

Many facilities have found value in perf...

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Safety Relief Valve FAQs

Safety Relief Valve FAQs

Monday, 14 August 2017  |  Lyndon Garrick

Companies that repair, test, maintain or supply valves routinely receive inquiries from end users about safety-relief valves. Here are a few questions...

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Industry Headlines

Forum Energy Technologies Acquires Multilift

2 DAYS AGO

Forum Energy Technologies, Inc. has acquired the stock of Multilift from Pelican Energy Partners, a Houston-based oilfield services focused private equity fund, and management. Based in Houston, Multilift manufactures the patented SandGuard and the Cyclone completion tools; products that extend the ...

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ValvTechnologies Names Teele Director of Global Quality Management

4 DAYS AGO

ValvTechnologies, Inc. has appointed Michael Teele director of global quality management. Based in Houston, Teele will be responsible for setting and maintaining global quality standards, systems and processes, as well as serving as a leadership champion of continuous improvement. With a deep technic...

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Executive Order to Speed Up Infrastructure Project Approval

1 DAY AGO

President Trump signed an executive order intended to roll back “rules regarding environmental reviews and restrictions on government-funded building projects in flood-prone areas as part of his proposal to spend $1 trillion to fix aging U.S. infrastructure,” Reuters reports .

“Trump's...

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DuPont and Dow Chemical Set Closing Date for Merger

2 DAYS AGO

DuPont and The Dow Chemical Company announced that all required regulatory approvals and clearances have been received, that all conditions to closing of their merger of equals have been satisfied, and that their merger of equals will close after the market closes on August 31, 2017.

“The compa...

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U.S. Factory Output Declined in July

1 DAY AGO

Manufacturing output edged down 0.1% in July. The index for durables decreased 0.5%. Among durable manufacturing industries, with the indexes for primary metals and for furniture and related products each dropped more than 1%. The index for other manufacturing (publishing and logging) moved down 0.4%....

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Empire State Manufacturing Index Highest in Nearly Three Years

3 DAYS AGO

Business activity grew strongly in New York State, according to firms responding to the August 2017 Empire State Manufacturing Survey. The headline general business conditions index climbed fifteen points to 25.2, its highest level since September 2014. The new orders index rose seven points to 20.6 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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