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Last updateMon, 08 Feb 2016 7pm

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Introduction to Pressure Relief Devices - Part 1

Introduction to Pressure Relief Devices - Part 1

When the pressure inside equipment such ...

Is Your Company Ready for The New Reality?

Is Your Company Ready for The New Reality?

Since August, 2015, when VMA’s 201...

Offshore Oil Extraction and Transportation

Offshore Oil Extraction and Transportation

Offshore oil facilities come to the fore...

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Industry Headlines

GE Oil & Gas and Diamond Offshore Enter Landmark Service Agreement

-1 DAYS AGO

GE Oil & Gas and Diamond Offshore Drilling, Inc. announced the offshore drilling industry’s first-of-its-kind contractual service agreement that transfers full accountability for BOP performance to GE Oil & Gas. Under this model, Diamond Offshore will compensate GE Oil & Gas only w...

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Watson Valve Announces Watson Valve Services, Australia

3 DAYS AGO

Watson Valve Services Inc. announces Watson Valve Services, Australia. Watson Valve will now have the ability to support the supply of its severe service valve products to non-U.S. domestic sites from its Australian based service agent, Process Plants International (PPi) under the name, Watson Valve...

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U.S. Oil Inventories Now at Record High

3 DAYS AGO

Several factors have played a part in pushing U.S. crude oil prices below $30 per barrel, including high inventory levels of crude oil, uncertainty about global economic growth, volatility in equity and non-energy commodity markets, and the potential for additional crude oil supply to enter the mark...

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FERC Approves $3.2B Sabal Trail Pipeline Project

3 DAYS AGO

Sabal Trail Transmission, LLC, a joint venture of Spectra Energy Partners, LP, NextEra Energy, Inc. and Duke Energy, received a certificate of public convenience and necessity from the Federal Energy Regulatory Commission (FERC) to construct and operate the Sabal Trail interstate natural gas pipelin...

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Labor Productivity Down More Than Expected in Fourth Quarter

56 MINS AGO

U.S. labor productivity decreased at a 3.0-percent annual rate during the fourth quarter of 2015, the U.S. Bureau of Labor Statistics reported, as output increased 0.1% and hours worked increased 3.3%.

Manufacturing sector labor productivity decreased 0.4% in the fourth quarter of 2015, as output i...

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U.S. Adds 151,000 Jobs, Unemployment Rate Down to 4.9%

3 DAYS AGO

Total nonfarm payroll employment rose by 151,000 in January, and the unemployment rate dropped 0.1% to 4.9%, the lowest since Feb. 2008. Job gains occurred in several industries, led by retail trade, food services and drinking places, health care and manufacturing. Employment declined in private edu...

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Emerson’s Fisher VBL Booster

emerson fisher vbl pneumatic volume boosterEmerson Process Management’s new Fisher® VBL booster incorporates a fixed deadband, internal soft seats and an integral bypass restriction that combine to eliminate the positioner problems typically caused by boosters without these design features.

 

The new booster’s enhanced performance capability proves highly important in applications where a valve positioner alone cannot provide the stroking speed needed to meet rapidly changing process conditions and demands.

The new booster design features internal soft seats that yield tight shutoff to reduce unnecessary air consumption and eliminate saturation of positioner relays.

Adding to the VBL’s superior performance is its bypass restriction that enables fast actuator response. The restriction also allows tuning valve response to follow slow signal changes or provide on/off control. This fine-tuning capability does not impact booster deadband.

Compact and lightweight in design, the VBL booster features an aluminum body with ¼ NPT input and ½ NPT connections. Internal diaphragms, upper and lower valves, and O-rings are of HNBR. Maximum input signal pressure is 10.3 bar (150 psig) with an input to output ratio being fixed at 1:1.

For more information, visit www.emersonprocess.com

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