What are the criteria to decide whether to provide single control valve or two control valves in parralel ?
When we go for two control valves in parallel ?
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Single Control Valve Or Two Control Valve In Parallel
Started by PENGG, Jan 07 2013 10:57 AM
1 reply to this topic
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#1
Posted 07 January 2013 - 10:57 AM
#2
Posted 09 January 2013 - 01:07 AM
Pengg,
Two control valves are provided in parallel when there is a large turndown requirement which cannot be met by a single valve alone satisfactorily.
There are also cases when two valves are provided in parallel in critical services to improve reliability.
Benoy
Two control valves are provided in parallel when there is a large turndown requirement which cannot be met by a single valve alone satisfactorily.
There are also cases when two valves are provided in parallel in critical services to improve reliability.
Benoy
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