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Control valve Flow characteristic. How the equal percentege
curve form?
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Answer Posted / www.islamqa.com
x-axis is %valve stroke
y-axis is %flow rate
we have 3 versatile characteristics:
====================================
linear: flow rate is linearly proportional with valve stroke
equal percentage: flow rate increases slowly with valve
stroke
quick opening: flow rate is increasing dramatically with
small valve stroke
Regards,
Ahmed Sabry
Control and Instrumentation Engineer
GPC - General Petroleum Company
CELL.: 00 2 0121367310
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