thank you,
i thought about model ED but I know that reduced trim was only for EHD,EHS.
This makes me happy, I was on right way.
Thank you again friends
My name's Lorenzo,
we have to replace an old controlvalve with a new one.
the vendor of this valve no longer exists and we have to contact another vendor.
we don't have CV of this valve but all this data:
PIGNONE SUD control valve 4" ansi 600 port diameter 2" 1/2
delta P 35 bar
flow...