Valves regulation query

Avelino BarreiroHey Guys,

My Control & Automatization coleague, has an interesting query that some of you guys might answer:

Which is the top limit noise level in decibels for a Pressure regulator valve in a process plant.

I must add to ask if there is a Code or Standard for this matter?.

Thanks

Iván Fernández C.
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[Non-text portions of this message have been removed] Received on Thu May 02 15:27:00 2002