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Actuators Blog
2 posts
Updated over 6 years ago
Regulators - Blog
52 posts
Updated 8 months ago
Valve Controllers & Positioners Blog
48 posts
Updated 13 days ago
Valves Blog
186 posts
Updated 4 months ago
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Jim Cahill
28 Nov 2018
What to Look for in Control Valve Technology to Positively Impact Your Bottom Line
Author: Vincenzo Sipala How Plant Downtime Effects Your Bottom Line Due to improper control valve selection, the valve trim pictured above was damaged by solids from the fluid, which was originally specified as clean. Keeping an intricate process plant at maximum productivity for multiple decades is no easy feat. Operations downtime caused by unscheduled maintenance issues continues to be a major cause of concern...
Jim Cahill
28 Nov 2018
What to Look for in Control Valve Technology to Positively Impact Your Bottom Line
Author: Vincenzo Sipala How Plant Downtime Effects Your Bottom Line Due to improper control valve selection, the valve trim pictured above was damaged by solids from the fluid, which was originally specified as clean. Keeping an intricate process plant at maximum productivity for multiple decades is no easy feat. Operations downtime caused by unscheduled maintenance issues continues to be a major cause of concern...
Jim Cahill
26 Nov 2018
Hydraulic Actuators for Regulating Large and Quick-Stroking Time Valves
Author: Stefano Belletti Process plants, not only in the oil and gas sector, are becoming increasingly complex in a competitive environment. Therefore, the performance of regulating and modulating valves is also an area where we need to focus our attention to improve the process and optimize costs. Precision, reliability, speed of operation, and fail-safe capabilities are among the most critical aspects of the...
Jim Cahill
26 Nov 2018
Hydraulic Actuators for Regulating Large and Quick-Stroking Time Valves
Author: Stefano Belletti Process plants, not only in the oil and gas sector, are becoming increasingly complex in a competitive environment. Therefore, the performance of regulating and modulating valves is also an area where we need to focus our attention to improve the process and optimize costs. Precision, reliability, speed of operation, and fail-safe capabilities are among the most critical aspects of the...
Jim Cahill
19 Nov 2018
Proper Valve Selection and Control Strategies in Food and Beverage Processes
Temperature control is a critical factor for many food & beverage processes. In a Flow Control magazine article, Selecting Valves for Food and Beverage Applications , Emerson’s Blake Coleman highlights the importance of the right valves and proper tuning to get optimum performance. Blake opens with what poor control may mean: …the best-case result would be lost efficiency, with worst case a completely unusable...
Jim Cahill
19 Nov 2018
Proper Valve Selection and Control Strategies in Food and Beverage Processes
Temperature control is a critical factor for many food & beverage processes. In a Flow Control magazine article, Selecting Valves for Food and Beverage Applications , Emerson’s Blake Coleman highlights the importance of the right valves and proper tuning to get optimum performance. Blake opens with what poor control may mean: …the best-case result would be lost efficiency, with worst case a completely unusable...
Jim Cahill
16 Nov 2018
Prevent Valve Delamination in Conventional Power Plants
Author: Paolo Tomaini Conventional power plants are being disrupted by an increasing demand for renewable energy. The priority in providing energy to the grid associated with the intermittent intrinsic nature of the renewable energy output is creating a shift from base-load power down to cycling in traditional plants and causing failures. The demand for renewables is only expected to grow over the next few decades...
Jim Cahill
16 Nov 2018
Prevent Valve Delamination in Conventional Power Plants
Author: Paolo Tomaini Conventional power plants are being disrupted by an increasing demand for renewable energy. The priority in providing energy to the grid associated with the intermittent intrinsic nature of the renewable energy output is creating a shift from base-load power down to cycling in traditional plants and causing failures. The demand for renewables is only expected to grow over the next few decades...
Jim Cahill
16 Oct 2018
Stabilizing Pressure Regulator Performance
In many areas of the industrialized world, natural gas transmission and distribution companies provide gas to commercial and industrial users, as well as many of us in our residences. For commercial users, such as apartment complexes, and industrial users, stable pressure is critical for operations. A 6-page whitepaper, Solving Instability Issues in Commercial and Industrial Natural Gas System Applications, explores...
Jim Cahill
16 Oct 2018
Stabilizing Pressure Regulator Performance
In many areas of the industrialized world, natural gas transmission and distribution companies provide gas to commercial and industrial users, as well as many of us in our residences. For commercial users, such as apartment complexes, and industrial users, stable pressure is critical for operations. A 6-page whitepaper, Solving Instability Issues in Commercial and Industrial Natural Gas System Applications, explores...
Jim Cahill
2 Oct 2018
Preventing Boiler Overpressure Conditions
At the 2018 Emerson Exchange conference, Emerson’s David Tuttle presented Preventing Overpressure Disasters in Supercritical Steam Generation. David comes to Emerson from the Crosby brand of valves that joined Emerson as part of the Pentair Valves & Controls acquisition. Boiler safety valves are the last line of defense against a catastrophic overpressure event. A safety valve opens at a preset pressure and discharges...
Jim Cahill
2 Oct 2018
Preventing Boiler Overpressure Conditions
At the 2018 Emerson Exchange conference, Emerson’s David Tuttle presented Preventing Overpressure Disasters in Supercritical Steam Generation. David comes to Emerson from the Crosby brand of valves that joined Emerson as part of the Pentair Valves & Controls acquisition. Boiler safety valves are the last line of defense against a catastrophic overpressure event. A safety valve opens at a preset pressure and discharges...
Jim Cahill
21 Sep 2018
Optimizing Pressure Relief Valve Lifecycle Management
Kevin Simmons Marcelo Dultra Pressure relief valves (PRVs) are critical safety and equipment protection devices to prevent overpressure conditions. They need ongoing maintenance to assure that they operate as designed for their intended applications. In a Valve magazine article, Lifecycle Management of Pressure Relief Valves , Emerson’s Kevin Simmons and Marcelo Dultra describe considerations for effective and...
Jim Cahill
21 Sep 2018
Optimizing Pressure Relief Valve Lifecycle Management
Pressure relief valves (PRVs) are critical safety and equipment protection devices to prevent overpressure conditions. They need ongoing maintenance to assure that they operate as designed for their intended applications. In a Valve magazine article, Lifecycle Management of Pressure Relief Valves , Emerson’s Kevin Simmons and Marcelo Dultra describe considerations for effective and efficient PRV sizing, selection...
mark.nymeyer
19 Sep 2018
Selecting Valves for Food & Beverage Applications: Flow Control - September 2018
Control of fluid flows and temperatures in food & beverage plants presents a number of challenges, most of which can be addressed with correct selection and application of control valves. Blake Coleman, the Global Chemical Industry Manger for Emerson’s Fisher product line, says temperature control is a very important variable in the food and beverage industry. His article, Selecting Valves for Food & Beverage...
mark.nymeyer
19 Sep 2018
Selecting Valves for Food & Beverage Applications: Flow Control | September 2018
Control of fluid flows and temperatures in food & beverage plants presents a number of challenges, most of which can be addressed with correct selection and application of control valves. Blake Coleman, Key Account Manager for Emer...
Jim Cahill
12 Sep 2018
Weathering the Storm: Equipping Wastewater Treatment Plants with Flood-Proof Actuators
Author: Steve Poling As we approach the 6 th anniversary of Hurricane Sandy and just passing the 1 st anniversary of Hurricane Harvey, the anxieties of facing another superstorm weighs on the minds of every coastal wastewater treatment operator. And with Hurricane Florence approaching the U.S. Carolinas , this string of major storms continues. Are we prepared? By design, most wastewater facilities are in low...
Jim Cahill
6 Sep 2018
What are Valve I/P Transducers?
As we continue to see a generational shift in the manufacturing industries, I like to highlight educational videos developed across the Emerson business groups. Our group managing Fisher Valves & Instruments products has recently posted a 2:51 YouTube video, What are I/P Transducers? This video, developed by the Valves, Actuators & Regulators educational services team, opens by defining the “I” and the “P”. The...
mark.nymeyer
20 Aug 2018
Power Engineering Aug 2018, Cold Start: Improving Turbine Bypass Valve Reliability—By Mary Barker
As often as four times a year during winter months, a power plant in Wisconsin would miss a scheduled start of its combined cycle power plant due to malfunctions of the turbine bypass valves. When there is an issue with the bypass system, the plant can’t start up, and it can’t shut down properly. Mary Barker, Senior Sales Engineer at Emerson and the Global Midstream Oil & Gas/LNG Industry Manager for Emerson, says...
mark.nymeyer
10 Aug 2018
Article info: LNG Industry, Aug 2018, Optimizing Performance
The efficiency and availability of a plant’s compressors have a direct impact on the profitability of a liquified natural gas (LNG) facility. Downtime can affect the plant’s mixed refrigerant loops and lead to reduced LNG production, along with substantial contractual penalties. One cause of unexpected downtime is often poorly performing anti-surge valves. Joe DeMonte, Global Midstream Oil & Gas/LNG Industry...
mark.nymeyer
10 Aug 2018
Article: Control Engineering Europe, Jun 2018, Butterfly Valves Take Control
Subject: Butterfly valves are lighter, smaller and weigh less than other kinds of control valves—making them the best choice for regulating flow in many applications. This article looks at the advantages and limitations of high performance butterfly valves, and then describes developments making them more suitable for flow control. Standard butterfly valves have traditionally been used for automated on/off applications...
Jim Cahill
9 Jul 2018
Components in a Butterfly Valve
The team managing education services for the Fisher brand of valves and instrumentation has a lot of really good videos on valve basics. You’ll find these on Emerson’s Fisher Valves & Instruments YouTube channel. For example, a recently posted video, What are the Components of a Butterfly Valve? , provides an under 2-minute look at what makes up a butterfly valve and differences in types of valve. It opens describing...
Jim Cahill
15 Jun 2018
How to Setup Keystone Actuator Mechanical Limits
As part of Emerson’s acquisition of the Pentair Valves and Controls business , the Keystone brand of valves and actuators joined the final control area of Emerson Automation Solutions. Over on the Bettis YouTube channel, is a great series of videos in setting up Keystone EPI2 electric actuators . I’ll recap a few points made in the first video, Keystone EPI2 Setup & Commissioning Video 1 Setting Mechanical Limits...
Jim Cahill
4 May 2018
Improving Pressure Relief Valve Fugitive Emissions
In an earlier post, Creating Pressure Relief Valve Fugitive Emissions Testing , we described the advancement of this effect to create standards in this area. I joined Emerson’s Dr. Amr Gado and Calvin Deng as they presented this work in an Offshore Technology Conference (OTC) technical track, Striving Toward Safety Excellence in Offshore and Subsea Environments . Manufacturers and producers are seeking ways to...
Jim Cahill
3 May 2018
Filling Gaps in Global Safety Standards
A safety instrumented function (SIF)’s purpose is to reduce the risk of a specific hazard. For example, an upset condition in an oil and gas production separator may cause a series of SIFs within a safety instrumented system (SIS) to shut in the wells feeding the separator. A SIF contains a sensor, logic solver and final control element—often an emergency shutdown valve. As a mechanical component of this safety loop...
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