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Human Factors Can Cause a Disaster—or Prevent One

Human Factors Can Cause a Disaster—or Prevent One

Process industry plants are complex and ...

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...

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Industry Headlines

Industry Headlines

Powell Valve Approves Flotech as Authorized Repair Facility

1 DAY AGO

The Wm. Powell Company recently approved Flotech as an authorized modification and repair facility for Powell Valves.

“Flotech has been manufacturing and repairing valves for over 40 years. Adding another high quality valve manufacturer to the list of valve companies Flotech represents speaks vol...

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CIRCOR Reports Fourth Quarter 2016 Financial Results

1 DAY AGO

CIRCOR International, Inc. reports revenue of $158 million, GAAP EPS of ($0.12) and adjusted EPS of $0.48 in the fourth quarter of 2016 . CIRCOR had an operating cash flow of $20 million and free cash flow of $17 million for the quarter. Cost control and restructuring actions continued to drive bottom...

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Southern California Updating Natural Gas Pipeline Infrastructure

1 DAY AGO

Southern California Gas Company (SoCalGas) will upgrade or replace 50 to 60 pipeline valves in 2017 to further enhance the safety of its system. The effort is part of SoCalGas' Pipeline Safety Enhancement Plan (PSEP), a multi-billion-dollar program that tests and updates the natural gas pipeline infra...

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

7 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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Empire State Manufacturing Expands at Fastest Rate Since 2014

1 DAY AGO

Business activity expanded at a solid clip in New York State, according to firms responding to the February 2017 Empire State Manufacturing Survey. The headline general business conditions index rose twelve points to 18.7, its highest level in more than two years. The new orders index climbed to 13.5,...

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Philly Fed Manufacturing Conditions Continued to Improve in February

6 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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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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