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Last updateTue, 25 Apr 2017 6pm

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Industry Headlines

Wind Energy Growing Nine Times Faster Than Overall Economy

Tuesday, 25 April 2017  |  Chris Guy

American wind power added jobs over 9 times faster than the overall economy amid robust growth for another year, according to the American Wind Energy A...

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Industry Headlines

Key Bellevillles Celebrating 50th Anniversary

14 HOURS AGO

Key Bellevilles, widely considered to be the largest manufacturer of bellevilles in the world, is celebrating its 50th anniversary in 2017. The Pittsburgh Tribune-Review recently sat down with founder and president Robert J. Key, and others, for a feature article on the company.

“Key Bellevilles In...

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Spirax Sarco Awarded for Top Safety Records

15 HOURS AGO
Spirax Sarco Awarded for Top Safety Records

Spirax Sarco was recently presented with a Commendation of Excellence award for exemplary top safety records at its two sites, Carolina Pines and Northpoint, located in Blythewood, SC.

These awards from the South Carolina Chamber of Commerce , which represents more than 18,000 businesses and more than ...

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Wind Energy Growing Nine Times Faster Than Overall Economy

10 HOURS AGO

American wind power added jobs over 9 times faster than the overall economy amid robust growth for another year, according to the American Wind Energy Association (AWEA), which just released its annual report. Installing over 8,000 MW of new wind power for a second straight year, the U.S. industry inv...

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Natural Gas Inventories Above Five-Year Average

1 DAY AGO

Working natural gas in storage as of March 31, the traditional end of the heating season, totaled 2,051 billion cubic feet, or almost 15% above the five-year average according to EIA 's Weekly Natural Gas Storage Report . The total inventory of U.S. natural gas in storage tends to follow seasonal patter...

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Texas Manufacturing Expansion Continued in April

15 HOURS AGO

Texas factory activity increased for the 10th consecutive month in April, according to business executives responding to the Texas Manufacturing Outlook Survey . The production index, a key measure of state manufacturing conditions, moved down three points to 15.4, suggesting output growth continued b...

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Are Women the Key to Closing U.S. Skills Gap?

1 DAY AGO

The Manufacturing Institute, Deloitte and APICS have just released, “Women in Manufacturing: Stepping up to make an impact that matters.” The joint study is the result of more than 600 survey responses from women professionals in the manufacturing industry, along with nearly 20 manufactu...

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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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