Spring 2008
Back to Basics: Control Systems
By Jim Casey
The author first wrote about control valves in a back to basics article in summer 2008. Now he expands on that topic by discussing other elements of the “cruising” control system.
Specialized Designs for Pipeline Valve Actuation
By Mark Clark
The expansion of oil and gas production into increasingly remote and inhospitable areas challenges actuator manufacturers to produce rugged, reliable and often specialized products.
Building an Acceptable Manufacturers List
By Patrick A. Toensmeier
What’s involved in developing an acceptable manufacturers list (AML)? And why is having an AML so critical when sourcing valves from china?
Automated Valve Packages
By Jack DiFranco
Advanced controllers have revolutionized automated valve packages by offering greater intelligence and diagnostic data than conventional methods.
Special Valve Catalog Preview: Who Makes What?
The 8th edition of North American Valve Catalog is now available, both in print and online. Included in this special preview from the catalog is the VMA member Product Matrix, where you can find out “who makes what” from 75 companies that manufacture valves, actuators and controls.
WINTER 2008
Process Control Goes Green
By John Mangan
Reduce emissions—and increase revenue—by using environmentally responsible products such as high-bleed pneumatic pressure and level control devices.
Valve Magazine Features a 5-year Index
Missed something? Looking for information on a particular topic? You’ve come to the right place. Check out our index of feature articles published during the past five years. Plus, learn how you can order copies of past articles as well as back issues.
Get Ready for the Corn Rush!
By Eric Fillion, Brian Bombard and Bob Mulcahy
Learn proper selection strategies for choosing valves for use in the rapidly growing ethanol processing and transportation industry.
The Cold Facts about Cryogenic valves
By Raphael Couturier
To help users better understand the world of cryogenic valves, we discuss their origins, where they are used, how they are tested and relevant design standards.
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