06292016Wed
Last updateWed, 29 Jun 2016 5pm

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Fugitive Emissions—Issues and Opportunities

Fugitive Emissions—Issues and Opportunities

Fugitive emissions, ppm, consent decrees...

Problem-Driven Innovation

Problem-Driven Innovation

Developing Alternative Technology to Imp...

Valve Repair Takes Center Stage in Houston

Valve Repair Takes Center Stage in Houston

Attendees gathered June 2-3 in Houston t...

What Internal Best Practices Can Do for Valve Selection

What Internal Best Practices Can Do for Valve Selection

As time goes by, technology moves forwar...

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Industry Headlines

Emerson Selected to Upgrade SE Virginia Wastewater Utility

5 HOURS AGO

Emerson Process Management is replacing an outdated supervisory control and data acquisition (SCADA) system as well as remote terminal units (RTUs) used throughout Hampton Roads Sanitation District’s (HRSD) wastewater collection system. Currently, HRSD serves about 1.7 million people over an are...

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MSS Publishes Revised Standard for High Pressure Knife Gate Valves

1 DAY AGO

The Manufacturers Standardization Society (MSS) announces that recently revised Standard Practice, SP-135-2016, High Pressure Knife Gate Valves, has been approved by the American National Standards Institute (ANSI) as an American National Standard (ANS).

The first edition of MSS SP-135 was published in...

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U.S. Crude Storage Capacity Utilization Rises Even as Capacity Grows

3 HOURS AGO

Weekly U.S. commercial crude oil inventories have increased by more than 71 million barrels (15%) since the end of September, pushing crude oil storage capacity utilization to a near record high of 73% for the week ending June 10.

The U.S. Energy Information Administration (EIA) measures crude oil stor...

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Oil Sands Production Forecast to Grow by Nearly 1M bpd

1 DAY AGO

IHS, in its outlook for Canadian oil sands production through 2025, expects continued growth through the period. IHS anticipates a new phase driven primarily by the expansion of existing facilities with more attractive economics.

Oil sands production is forecast to grow by nearly one million barrels pe...

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Trump Comes Out Against Trade, Draws Pushback

5 HOURS AGO

GOP presidential candidate Donald Trump, speaking Tuesday near Pittsburgh, expressed fierce opposition to free-trade agreements and criticized Hillary Clinton for supporting them. Trump blamed Clinton and her husband for the loss of millions of manufacturing jobs and threatened to pull the U.S. out ...

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Consumer Confidence Climbs to 8-Month High

1 DAY AGO

The Conference Board Consumer Confidence Index, which had decreased in May, improved in June. The Index now stands at 98.0 , up from 92.4 in May. Those stating business conditions are “good” increased slightly from 26.1% to 26.9%, while those saying business conditions are “bad&rdquo...

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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.

vmspr12_upstream_table

 

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