07262016Tue
Last updateTue, 26 Jul 2016 4pm

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Basics of Elastomeric Seal Design

Basics of Elastomeric Seal Design

Engineers need critical design informati...

Wastewater Treatment

Wastewater Treatment

Society’s desire for a clean envir...

Controlling Our Water Systems, Part II

Controlling Our Water Systems, Part II

To better understand the actuators and c...

Controlling Our Water Systems

Controlling Our Water Systems

Actuators and controls are a critical pr...

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Industry Headlines

Crane Co. Reports Second Quarter 2016 Results

3 HOURS AGO

Crane Co. reported second quarter 2016 GAAP earnings of $1.15 per diluted share, compared to $0.95 per share in the second quarter of 2015. Excluding Special Items, second quarter 2016 earnings per diluted share were $1.21, compared to $1.06 per share in the second quarter of 2015.

Second quarter 2016 ...

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Emerson Exploring Acquisition of Pentair Valves & Controls

1 DAY AGO

Reuters UK has spoken to sources that confirm Emerson has made an offer to acquire Pentair Valves & Controls. Pentair Plc added the Valves & Controls division after its merger with Tyco Flow Control in 2012.

“Pentair has received offers for the valves and controls business from companies o...

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Chemical Activity Barometer Grows for Fourth Consecutive Month

4 HOURS AGO

The Chemical Activity Barometer (CAB) expanded 0.4% in July following a revised 0.7% increase in June, 0.8% increase in May and 0.6% increase in April. All data is measured on a three-month moving average. Accounting for adjustments, the CAB remains up 2.6% over this time last year, an improvement ove...

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SABIC, ExxonMobil Evaluating Joint Venture on U.S. Gulf Coast

4 HOURS AGO

SABIC and an affiliate of Exxon Mobil are considering the potential development of a jointly owned petrochemical complex on the U.S. Gulf Coast. If developed, the project would be located in Texas or Louisiana near natural gas feedstock and include a world-scale steam cracker and derivative units.

Befo...

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Sharpest Rise in U.S. Manufacturing Production Since November

1 DAY AGO

July data signaled a further rebound in business conditions across the U.S. manufacturing sector, led by a robust expansion of incoming new work and the fastest upturn in production volumes for eight months. Job creation also strengthened in July, with the latest increase in payroll numbers the fast...

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Texas Manufacturing Activity Stabilizes

1 DAY AGO

Texas factory activity held steady in July, according to business executives responding to the Texas Manufacturing Outlook Survey . The production index, a key measure of state manufacturing conditions, came in near zero after two months of negative readings, suggesting output stopped falling this mon...

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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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