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Source: nptel.iitm.ac.in
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Last download on:
Fri May 17, 2013 06:25:44 PM
Short Desciption:
[ Ideal Characteristics ~ Effective Characteristics ]
Summary:
objectives: Explain the basic principle of operation of a pneumatically actuated control valve; Distinguish between air-to-open and air-to-close valves; Explain the constructions and relative advantages and disadvantages of single- seated and double-seated valves; Name three types of control valves and sketch their ideal flow characteristics; Sketch the shapes of the plugs for three different types of control valves; Define the term rangeability; Explain the different between ideal and effective characteristics; Explain the advantage of using equal percentage valve over using linear control valve; contents: [ Ideal Characteristics ~ Effective Characteristics ]
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"Control Valves"
Posted by ram
Thu May 05, 2011 06:47:31 PM
good
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