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[dhns]

Dear all,

Am here with the issue to solve the vibration problem in gas flowing
pipeline net work.

From a common header, there are four branches with its unique flow control valve.
at earlier time only three valves are used. due to increase in gas flow rate the forth valve is used to control the gas flow rate.

When using the forth control valve. The vibration in sensenilised.
Any one could explain about this vibration issues. Both mechanical and Process
Point of view.

With anticipating warm regards,