Please support our sponsor ASCO, the following papers are provided with their compliments.
Considering Valve Specification & Installation, Flow Control - Best Practices & Technology to Ensure Long-Term Performance - Matt Migliore - When specifying valves for a given application, it is important to first determine the intended function. A lack of functional understanding is often where valve performance issues begin. The user, rather than fully considering the application in which the valve will operate finds later on that the valve isn’t all that well suited to meet the needs of the job it is being asked to do. Thus it is worthwhile answering a few simple questions when considering a valve purchase.
Solenoid Valve Technology,Technical Characteristics Function, Terminology and Construction types -A very useful overview of solenoid operation, construction, terminology and operating parameters.
How New Low-Power Solenoid Valve Technology Changes The Game - Fabio Okada, Jack Haller, and Manny Arceo - Process plants worldwide often place considerable reliance on low-power solenoid valves. They are used as pilot valves to open and close larger ball or butterfly valves, or on control valves (installed between positioner and actuator) for fail-safe air release if there’s a loss of power. They work by pressurizing or depressurizing associated actuators. A new generation of even lower-power valves is now changing the rules of the power consumption game. These products are of interest to designers working for original equipment manufacturers (OEMs) and valve assemblers, as well as for end-user engineers anyone who specifies solenoid valves for projects in refining, upstream oil and gas, chemicals, pharmaceuticals and life sciences, food and beverage, and power. This report taps the expertise of manufacturers at the forefront of low-power solenoid valve technology. It shows how innovation is offering new possibilities — and challenges — via topics such as integrated solutions, clogging and other reliability issues, usefulness in point to point and bus networks, other cost savings, remote applications, and relevant industry standards. Finally, it suggests which characteristics buyers should seek out in selecting the newest — and most consistently dependable — low-power valve technologies.
How New Lead-Free Regulations Will Impact Your Selection Of Potable Water Valves - Paola Gutierrez - Recent legislation in several states has tightened regulation of lead content in the components of potable (drinkable) water treatment systems. Other states may well be considering similar moves. This pace of regulation seems unlikely to slacken. The message from regulators is clear: Get the lead out. However, what options are open to construction end users and original equipment manufacturers (OEMs) of these systems? Construction managers don’t make the equipment they install. And OEMs often assemble most of their systems from already manufactured components. Of compliant components they can specify, which currently meet their requirements for price, reliability, and performance? This report examines the choices facing specifiers and purchasers of small solenoid valves for potable water systems. It weighs the advantage and disadvantages of brass, plastic, and stainless steel designs. Finally, it suggests the solutions that smart planners should consider for current and future use.
Functional Safety Solutions for the Process Control Industry - ASCO solenoid pilot valves are an integral part of the final control element for any safety instrumented system (SIS) or critical application. ASCO offers 3 solenoid pilot valve solutions that are widely used in the process control industry; individual 3-way pilot valves, manual reset valves, and redundant pilot valve systems. Each of these solutions are proven in use as a pilot valve in critical applications and in safety instrumented systems. Certified pilot valves per IEC 61508 Parts 1 and 2 are rated SIL3 capable for domestic and international markets (ATEX). ASCO understands the need to keep your process running, but also understands that the process must shut down when commanded.
Frequently Asked Questions about Solenoid Valves - Have a question regarding solenoid valves? This excellent resource may well have the answer.
10.11
Current
Concerns How Some Supervisory and Leakage Currents Can Affect Today’s
Low-Power Solenoid Valves - Manny Arceo and Jack Haller -
As fluid automation users embrace the advantages of new devices that draw
unprecedentedly low levels of power, a few users are experiencing application
issues that don’t occur with older, higher-power-consumption equipment. These
issues center around supervisory and leakage currents generated by input/output
(I/O) control systems. Such currents can cause problems when interacting with
new low-power components such as solenoid valves and sensors. This paper will
review concerns that can arise when applying low-power and electronically
enhanced solenoid valves within certain control systems. It will outline the
limited set of cases where problems can exist, and explain how to identify such
cases. Finally, it will provide tips and suggestions for possible workarounds or
solutions that users might consider after consulting I/O system manufacturers or
their manuals.
10.11The
Insider’s Guide To Applying Miniature Solenoid Valves -
Equipment designers frequently must incorporate miniature solenoid valves into
their pneumatic designs. These valves are important components of medical
devices and instrumentation as well as environmental, analytical, and similar
product applications. However, all too often, designers find themselves
frustrated. They face compromise after compromise. Pressure for increasingly
miniaturized devices complicates every step of the design and valve selection
process. And missteps can wreak havoc. How do designers balance the needs for
reliability, extended service life, and standards compliance against
often-contradictory performance requirements such as light weight, high flow,
and optimum power use? This report consolidates the expert views of designers
and manufacturers with wide experience applying miniature solenoid valves for
myriad uses across multiple industries. It presents a true insider’s guide to
which requirements are critical for common applications. It also highlights new
valve technologies that may lessen or eliminate those troubling compromises.
Valve Configuration Goes Next Generation - Today’s Online Tools Ease the Valve Selection Process - Matt Migliore - The process of fluid handling systems design, like many engineering tasks, has changed drastically with the emergence of Internet-based business over the past 10-15 years. And perhaps nowhere is this evolutionary trend more evident today than in the area of valve specification, as the era of massive binders full of product data sheets makes way for a new generation of online tools aimed at streamlining the valve selection process.
Optimizing Power Management in Solenoid Valves -By Stephen Glaudel -Vice President, Engineering ASCO Valve, Americas -This paper covers the basic operation of solenoid valves, including useful techniques and technology for optimizing performance, power consumption, and cost of operation, in either AC or DC powered applications.
Understanding Applications, Uses Key to Solenoid Valve Selection, Plant Engineering - David Zolobinski, William Mudd and Gregory Byrne - This paper covers common applications and issues associated with solenoid valves. It also has a very useful trouble shooting guide plus a section on new developments - Thanks to ASCO and www.plantengineering.com
Solenoid Pilot Valves for Valve Actuation - Bill Reeson - This paper helps users select the correct pilot valve construction for an application - Thanks to ASCO and valve magazine.
Not Your Father's Valve - "The Old Iron Workhorse Gets a Makeover" - Matt Migliore - This article highlights how microprocessors are enabling the development of smaller and faster solenoid valves.
How to Install, Troubleshoot and Maintain Solenoid Valves- Good Installation and Maintenance Tips.
Solenoid Valve Engineering Information- This excellent engineering information sheet details most of what you need to know in regards to selecting a solenoid valve. It details maximum/minimum pressures and temperatures, viscosity, response times, valve seat tightness and degrees of protection provided by electrical enclosures (IP code)
KV Calculation from ASCO -This program helps you calculate the Kv, the flow rate and the differential pressure of a valve or solenoid valve. (Pressure, lenght and temperature unit conversion integrated in the program). This program operates with Excel™ software(Microsoft™).
10.11
Valve
Sizing Calculator from ASCO - This calculator provides
options for liquid, gas and steam and also has conversion tools.
10.11
Fluid
Automation:The Unsung Contributor to
Plant Economic Performance - A
Management Brief From ASCO Numatics - Wherever goods and materials are
manufactured, processed, or packaged, the process often depends on fluid
automation components. These include fluid control products such as solenoid
pilot valves, angle body piston valves, linear valve position indicators,
redundant control systems, and pressure sensors. They also comprise fluid power
products, which provide pneumatic and motion control. Examples: valve manifolds;
filters, regulators, lubricators (FRLs); actuators or cylinders; grippers;
slides; and gantries. New technologies and forward-thinking business
developments have made these offerings faster and more reliable than ever
before. Managers across the spectrum, from OEMs to end users, have begun to
appreciate how often these fluid automation components play quiet but critical
roles in total plant economic performance. Making even small changes in their
performance can change the whole rhythm of the operation. So you prevent losses
and drive gains throughout the business.
Please support our sponsor ASCO, more free literature and their comprehensive catalogue can be found on this link.
10.11
ASCO
Introduces Stainless Steel Pilot Valves for Offshore Applications
- The series’ unique design eliminates the dormancy or “sticking”
problems that can occur in control valves installed in the pneumatic logic
panels that control monitoring safety systems in offshore oil and gas production
facilities.
Need Solenoid Valve Information? - This website a comprehensive source of solenoid valve information Direct-acting, semi-direct acting, pilot-operated, pinching-type, latching-type, normally open, and normally closed valves are all different types (or sub-types) of solenoid valves. Knowing the basics about each type will help you to choose the correct one for your application.
To Repair or Replace? - Solenoid Valve Maintenance & Troubleshooting Strategy - Michael D’Amato - The small yet robust solenoid valve is a powerful electromechanical gatekeeper. It has the important task of controlling the flow of liquid, air, gases or particles for a larger system. Yet even the most reliable of valves can fatigue or become inoperable, thus shutting down or affecting a system’s performance. As with any mechanical apparatus, proactive maintenance of a solenoid valve can extend life and ensure consistent operation - from flowcontrolnetwork.com.
Understanding Solenoid Valves - Solenoid valves are highly engineered products that can be used in many diverse and unique system applications. A brief overview of the components and functional varieties of solenoid valves - from achrnews.
Solenoid Valve Engineering Information from Spartan Scientific
Solenoid Valves Trouble Shooting Guide & FAQ - A useful troubleshooting guide from solenoidvalvesuk.
Solenoid Valve Common Symbols - From Connexion Developments Ltd
Solenoid
Valve Seal Basic Guide - Selecting the correct sealing
material for your solenoid valve requires an understanding of available sealing
materials. Seals are usually the most limiting factor of a solenoid valve. The
seal selection should take the following items into consideration;
- Chemical properties of the media
- Temperature of the media
- Pressure to be used
From solenoidvalvesuk
How to Specify Solenoid Valves for a Particular Safety Integrity Level - S.A. Nagy - Selection must be done with care and understanding of safety and reliability standards to avoid the risks associated with an operational failure of a critical plant system - thanks to chem.info