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Ball Valve
Flow Control
4
Chemical Engineering
Professional
10/27/2015
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Term
Ball Valve
Construction
 Definition
Consists of a Chromium plated Brass sphere.
Circular hole cut through the axis/
Term
Ball Valve
Operation
 Definition
The sphere /ball is located in a nylon seat which gives a gas seal,when the valve is turned OFF
Term
Ball Valve
 Definition
The valve is operated by turning a spindle,which either has a screwdriver slot or handle attached
Term
Ball Valve
Purpose
 Definition
Commonly used to isolate appliances
Also used as ECVs
Maintenance free,cannot be repaired,must be replaced if defective
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