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Improving Valve Sealing Performance and Reliability

Improving Valve Sealing Performance and Reliability

From time to time, we are re-posting wel...

A Primer on Fugitive Emissions

A Primer on Fugitive Emissions

Fourscore and seven years ago, no one ha...

The State of Industrial Distribution in 2017

The State of Industrial Distribution in 2017

Key trends for the industrial distributi...

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Industry Headlines

ITT Reports 2016 Fourth-Quarter, Full-Year Results

Thursday, 16 February 2017  |  Chris Guy

On a GAAP basis, ITT Corporation delivered revenue of $588 million in the fourth quarter of 2016, reflecting a 12% decline that included a 2% negative...

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Industry Headlines

ITT Reports 2016 Fourth-Quarter, Full-Year Results

3 DAYS AGO

On a GAAP basis, ITT Corporation delivered revenue of $588 million in the fourth quarter of 2016, reflecting a 12% decline that included a 2% negative impact from foreign exchange. GAAP segment operating income decreased 12% .

In the Industrial Process segment, total revenue decreased 29% to $212 milli...

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Delta Centrifugal Rejoins VMA

3 DAYS AGO

This week VMA welcomed back associate member Delta Centrifugal Corporation of Temple, TX after a one year absence from the association.

Delta produces custom-made castings. Delta’s operations include Texas Stainless, Inc. Texas Stainless is a metals distributor and sells castings produced by Delt...

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How New U.S. Policies Will Affect the Chemical Industry

4 DAYS AGO

“In 2017, barring a recession in the U.S. and Europe or a slowdown in China, Moody’s Investor Service expects EBITDA in the chemicals industry to slip by 1 or 2% year-over-year.”

A new report from PwC predicts that the Trump administration “is likely to embrace policies that are...

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$2.2 Billion Investment Approved for Mad Dog Phase 2 Project

5 DAYS AGO

BHP Billiton has approved expenditure of $2.2 billion for its share of the development of the Mad Dog Phase 2 project in the Gulf of Mexico. During the fourth quarter of 2016, BP, which holds a 60.5% participating interest, sanctioned the Mad Dog Phase 2 project.

Mad Dog Phase 2, located in the Green...

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Philly Fed Manufacturing Conditions Continued to Improve in February

4 DAYS AGO

The index for current manufacturing activity in eastern Pennsylvania, southern New Jersey and Delaware increased from a reading of 23.6 in January to 43.3 this month and has remained positive for seven consecutive months. The share of firms reporting growth continues to increase: More than 48% of the ...

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Industrial Production Down 0.3% in January

4 DAYS AGO

Industrial production decreased 0.3% in January following a 0.6% increase in December. In January, manufacturing output moved up 0.2%, and mining output jumped 2.8%. The index for utilities fell 5.7%, largely because unseasonably warm weather reduced the demand for heating. At 104.6% of its 2012 avera...

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Triple Offset Valves in Upstream Applications

vmspr12_upstream_photo1Triple offset valves provide an efficient solution for critical and non-critical applications when positive isolation is required in upstream oil and gas operations. Their compact nature offers savings in weight and space and most importantly, cost.

Most onshore and offshore installations traditionally use ball valves and occasionally gate valves for the majority of flow isolation applications. Specifications typically call for 6D valves, but engineers seldom look beyond these specifications to other valve types with similar or better performance.

Many of these engineers are not yet aware that in many offshore isolation applications, a triple offset valve (TOV) offers benefits in terms of weight, overall dimensions and performance versus the standard ball or gate valve. A TOV can be the right choice for applications in the turret of a floating production storage and offloading vessel (FPSO), and in virtually all topside process applications of FPSOs and platforms such as separators, water treatment, gas compression and other systems.

Today’s TOVs, with pressure ratings up to ASME Class 1500 and zero leakage, cover enough applications to achieve significant savings in weight and space, as well as total cost of ownership.


HISTORY

The TOV design was introduced in the early 1970s as the next great development after the high-performance butterfly valve. The design is totally different from conventional or high-performance butterfly valves, however, offering a 90-degree non-rubbing rotation and metal-seated zero leakage.

Since the TOV was introduced, it has become a success with end users in the downstream oil and gas, process and power industries. It is recognized as a reliable, robust and valid alternative to gate and globe valves as well as ball valves.

The TOV concept is applied in a wide variety of applications from cryogenic to high temperature and from low- to high-pressure where positive isolation is required. Since its introduction, more than 500,000 TOVs have been installed worldwide with an extremely wide range of sizes and ratings and different materials—from WCB to duplex and from CF8M to titanium.

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