Power Generation

Below you will find published articles written by Valin's own experts and information from our suppliers.   
Submitted by Jon Irvine || Valin Corporation
Advantages of Leak Detection Technology in Power Plants

The first step to solving a problem is recognizing that one is present. An operations team cannot adequately put a sufficient maintenance plan in place if there is no awareness that maintenance is required.

Submitted by Jon Monsen || Valin Corporation

If one wants to be able to do accurate hand calculations, or construct a simple program or Excel sheet, the method described here gives answers that agree exactly with iterative calculations using the equations in the current version of the ISA and IEC standards.

Submitted by Jon Monsen || Valin Corporation
Using Control Valve Installed Gain Calculations

The availability of an easily constructed Excel worksheet that calculates and graphs control valve installed gain in conjunction with the user’s preferred control valve sizing application has prompted a new interest in the application of these calculations. Three examples are shown here.

Submitted by Greg Neneman || Valin Corporation
Marking Filtration as a Top Priority for Peaker Plants

For a power plant to run as efficiently as possible, proper filtration is a critical part of the equation.

Submitted by Corey Foster and Peter Jessee || Valin Corporation
Actuator Options for Process Automation

The process industries have control valves with actuators designed to open, close and control them.  Many people prefer pneumatic actuators given their long history, reliability and high performance.

Submitted by Peter Jessee and Rick Ferdon
Control Valve Technology. How Do I Choose?

Application requirements are paramount, but don't overspend when a less expensive option will do.

Submitted by Ryan Kraus || Valin Corporation
Watlow Circulation Heaters

In this article, featured in Process Heating Magazine, Ryan Kraus discusses the various criteria to consider when selecting a circulation heater.

Submitted by Jon Monsen || Valin Corporation
Calculating the Installed Flow and Gain of a Control Valve

A simple process method based on the principle that piping pressure losses are approximately proportional to flow squared is presented.

Averting a Gen-set Disaster

A fuel leak in any part of a generator set can potentially be a catastrophe for the operator. But the issue can be tackled.

Submitted by Corey Foster || Valin Corporation
Remote Access

As long as products have had ethernet ports, people have been asking for remote access to them. They believed they could just plug the devices into the internet, and it would all work. As more software tools became available and internet speeds increased, capable users found ways to give themselves access, however, there was a catch.

Submitted by Nathan Ehresman || Valin Corporation
Steam vs. Electric Heating — The Basics

Most facilities in the chemical process industries (CPI) require some form of heat. The amount of heat required and the necessary level of consistency can vary from process to process. Regardless of the details, engineers must decide on a heating source that works best for a particular process.

Submitted by Randy Mulvaney || Valin Corporation
Silicon-Controlled Rectifier Power Controls: Worth the Investment

In terms of what matters to most in the field today, it is safe to assume that reliability, flexibility, accuracy and cost are at the top of the list. With these factors in mind, implementing a silicon-controlled rectifier (SCR) control system for an electric heater is often an optimal approach.

Submitted by Fred Gridley || Valin
Control Panel Enclosure

Maintaining a consistent internal environment for your enclosures is critical for equipment to function properly. The National Electrical Manufacturers Association (NEMA) has defined standards for specific enclosures designed for the application and environment when correctly installed. Learn more.

Submitted by Jon Cloy || Valin Corporation
Electric Process Heaters

Reducing the amount of hydrocarbon leakage from compressor stations is not only imperative for the environment, but for your bottom line. Compressor-related emissions can be reduced by using electric heaters to heat the pressurized natural gas.

Submitted by Greg Neneman || Valin Corporation
Instrumentation Fittings for Power Plants

A lot must be reviewed prior to selecting the right fitting for power plant instrumentation applications. Among the choices are whether to use single- or double-ferrule designs; heat codes, lubrication, and corrosion resistance must also be considered.

Submitted by Frank Schollmeier || Valin Corporation
Magnetic Filtration

In many machines as much as 90% of all particles suspended in the oil can be iron or steel and can be particularly troublesome to operators. This article looks at the advantages and benefits of magnetic filtration and how it can often outperform traditional methods.

Submitted by Jay Van Horn || Valin Corporation
Installation Practices Key to Successful Heat Tracing

Laying out an effective heat tracing design requires careful attention to detail. Every aspect of the system must be meticulously considered, including both the temperature requirements of the fluids being protected as well as the physical characteristics of the equipment being heat traced.

Submitted by Greg Neneman || Valin Corporation
Instrumentation Fittings

In the world of instrumentation, there are a number of different topics discussed and analyzed.  However, one that should not be overlooked is that of instrumentation fittings. Do you know what technologies are available? Do you know the strengths and /weaknesses? Are there any new trends?

Submitted by Ray Marquiss || Valin Corporation
Pulse Control Basics for Motion Control

For automating machines that require only two to three axes of electric actuators, pulse outputs may be the simplest way to go.

Submitted by Patrick Bartell || Valin Corporation
Ammonia Vaporization

Developing a strong preventative maintenance plan for plant shutdowns and turnarounds is the best way for operators to minimize the risk of equipment failure, which can lead to unnecessary shutdowns and ultimately, higher costs.

Submitted by Brian Sullivan, Frank Schollmeier, Tim Tritch || Valin Corporation
Improving the Cleanliness of a Cleanroom

Depending on the industry and specific environment, different rooms will have different cleanroom classification requirements. There is information out there regarding how classifications are tested and determined, but not as much about how to improve a specific room's classification ranking.

Submitted by Bill Nevills || Valin Corporation
Electro-Pneumatic Pressure Control

In the last ten years, the design of pneumatic manufacturers' online tools for sizing components have evolved, the fieldbus systems are ever-changing, component designs are constantly improving, and network devices such as the Industrial Internet of Things have reshaped the industry. Learn more.

Submitted by John Brokaw || Valin Corporation
Don't Just Shelve It: Care for Spares

We think of routine care and maintenance of a system to stave off failures as standard practice, but what about preventive maintenance of the replacement parts used when the system does fail?

Submitted by Nathan Ehresman || Valin Corporation
Coal-Fired Power Plants

In today's coal-fired power generation plant, one element of critical preventative maintenance is keeping everything at a temperature that will prevent instrumentation from freezing. Learn more about the successful application of heat trace solutions in coal-fired power generation plants.

Submitted by Kevin Goodsell || Valin Corporation
The ABCs of VFDs

Inside of plants today, AC motors are becoming the industry standard. Many plants are shifting to AC motors from hydraulic motors or DC motors when powering heavy loads, which were more popular in the past. This shift can be attributed to a variety of reasons and most have to do with cost.

Submitted by Ray Herrera || Valin Corporation
Pipe and Valve Selection

When selecting the pipes and valves for a cooling system, it is important to understand the options available—and the possible outcomes associated with each selection. Many factors can impact the effectiveness, longevity and quality of the overall cooling system. Learn more.

Submitted by Bill Nevills

Contemplating an actuator for your pneumatic linear-motion system? Here are some tips on how to select the best one for the job.

Submitted by Casey Sullivan
Coal-Fired Power Plants Best Practices: Filtration and Lube

According to the United States Energy Information Administration, coal power accounted for 39 percent of the country’s electricity production last year.

Submitted by Cory Calderon

Inside power generation plants, there is a need to eliminate the dangerous oil mist produced by lubrication systems. Wherever there is significant metal on metal contact, there should be some form of lubrication system installed that will increase the lifespan of the machinery.

Submitted by Cory Calderon
Dry Resin Ion-Exchange Cartridges

Dry Resin Ion-Exchange Cartridges have become the international choice for reducing Total Acid Number (TAN) in lubricating, hydraulic and insulating oil systems.

United Electric Controls has introduced a unique new family of HART capable transmitters that provides programmable switching functionality for industrial process monitoring applications. The One Series 1XTXSW transmitter line is the first to integrate HART 7 compatible 4-20 mA output. Lean more.

Workplace Safety Still Needs a Human Component

Workplace safety is—or should be—a primary focus of every organization, regardless of whether we’re talking about a classroom, an office, a manufacturing facility, or an oil rig. Employees deserve a workspace that is as safe and secure as it can possibly be.

Submitted by Advantech
ProView Thumb

Advantech ProView Ethernet Switch is a SCADA manageable switches which are the convergence switches for process control and IT networking management.

Submitted by Jon Monsen Ph.D., PE // Flow Control Network Magazine
Part IV: Keys to Effective Valve Sizing & Selection

This is Part IV in a four-part series based on the contents of the new textbook, “Control Valve Application Technology, Techniques and Considerations for Properly Selecting the Right Control Valve.”

Submitted by Russ Rochambeau, Valin Corporation

Cavitation is the 2nd leading cause of a pump system failure. It’s for this reason that a full understanding of what cavitation is, how it is caused and how it can be prevented is critical in the fluid power industry.

Submitted by Jon Monsen Ph.D., PE // Flow Control Network Magazine
Part III: A Guide to Installed Gain | Control Valve Sizing

In order to get good control with stability throughout the full range of required flow rates, one must use a control valve that has an installed flow characteristic that is linear, or at least as close to linear as possible in most systems.

Submitted by Jamie Zachary | PROCESSWest
Multi-Megawatt Electric Heating System Solutions | PROCESSWest

Tasked with increased demand for high power output, many operators in North American sectors such as power generation, oil and gas, petrochemical and chemical have been challenged by low-voltage solutions and their associated logistical challenges.

Submitted by Jon Monsen Ph.D., PE // Flow Control Network Magazine
Part II: A Guide to Control Valves and Process Variability

This is Part II in a four-part series based on the contents of the new textbook, “Control Valve Application Technology, Techniques and Considerations for Properly Selecting the Right Control Valve.”

Submitted by Jon Monsen Ph.D., PE // Flow Control Network Magazine
Part I: A Guide to Control Valves and Process Variability

This article discusses the importance of selecting the correct flow characteristic and correctly sizing the valve in order for the valve to properly control the process.

Submitted by Jon Irvine
Best Practices in CONTROL

Considering the number of variables, gaining precise control of a process heating application can be a difficult task. In industries with a high demand for consistent quality, controlling the temperature of a substance from the start to the finish of a process is an absolute necessity. Learn more.

Submitted by Omron

An HMI that is expressive, intuitive, and easy to implement makes industrial machines more attractive and competitive. The Omron Sysmac NA Series HMI enables faster, more efficient control and monitoring - and a more natural relationship between operator and machine.

Submitted by WIKA Instrument Guru
How Gauges Can Help Prevent Costly Loss of Containment

Loss of containment is one of the costliest things that can go wrong at a plant. Accordingly, smart enterprises employ a variety of measures that ensure loss of containment just doesn’t happen – or when it does, the adverse circumstances are kept to a minimum.

Submitted by Metso Engineering Team

The noise abatement laws and health and safety legislation are becoming increasingly strict. Metso introduces Q2- Trim, the optimum solution for noise problems, that at the same time fulfills all legislative requirements and customer needs.

Submitted by Frank Schollmeier, Featured in Processing Magazine

A primary goal of many a plant manager is maintaining continuous and cost-effective operation of a plant’s turbine engines. When considering this goal, it is important for plant managers to be aware of recent advances in filter designs for turbine air intakes.

Submitted by Jon Newton, featured in Product Design & Development Magazine

Proper treatment of boiler systems when they are off line is a constant concern for those managing and overseeing the operations of a power plant. Many power plants are known in the industry as peaker plants, meaning they are not running constantly.

Submitted by John Brokaw, Featured in Plant Engineering Magazine

When using a servo motor, one should consider torque, speed, and other applications for a specific motion control application.

Submitted by Jon Monsen and Peter Jessee // Valve Magazine
Noise from Cavitation: Bad for Control Valves and Equipment

Certain frequencies of sound can play havoc on industrial equipment. When control valves are not selected appropriately, there is an increased risk for cavitation, which causes high noise and vibration levels, resulting in very rapid damage to the valve's internals and/or the downstream piping.

Submitted by Jon Monsen, Ph.D., P.E., Control Valve Technology Specialist at Valin
Rule of Thumb for Control Valve Sizing

When control valve professionals talk about "control valve sizing," they really mean the entire process of selecting the valve that will do the best job of controlling the process. Selecting the right size valve is an important part of the process, but there are other equally important considerations as well.