Resources and Articles

Butterfly Valves Resources

Magazine

Valve Magazine
http://www.valvemagazine.com

PM Engineer
http://www.pmengineer.com

R & D
http://www.rdmag.com

Periodical 

Valve World
http://www.valve-world.net

Books

Butterfly Valves: Torque, Head Loss and Cavitation Analysis
http://www.awwa.org/bookstore/Product.cfm?id=30049

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Butterfly Valves Related Articles

"High Performance Butterfly Valves"
http://www.valvesandactuators.com/va/hiperf.htm

"Sizing and Selection of Butterfly Valves"
http://www.sbt.siemens.com/HVP/Components/Documentation/15370192.pdf

"Iron Butterfly Valves and Related Kin"
http://www.valvesandactuators.com/va/ironbtr.htm

"What is a Valve?"
http://www.maintenanceworld.com/Articles/valvemag/whatis.html

"The Future for Triple Offset Butterfly Valves"
http://www.valveexperts.com/articles/index.cfm?action=article_story.cfm&article=8