FF SO on shell nozzles
FF SO on shell nozzles
(OP)
Good morning guys,
Have you ever built the tank with FF SO flange on the shell nozzles ?
In my past experiences in many countries and with many EPC contractors the shell nozzles always RFSO.
Have you ever built the tank with FF SO flange on the shell nozzles ?
In my past experiences in many countries and with many EPC contractors the shell nozzles always RFSO.





RE: FF SO on shell nozzles
I see a lot of storage tanks with manways where we install an agitator. The cost of making a raised face adapter flange is much higher than a flat face style.
RE: FF SO on shell nozzles
Yes for shell manhole is very common FF.
But how about other nozzles which will be connected to pipe line outside the tank ? Or instrument nozzles ?
RE: FF SO on shell nozzles
RE: FF SO on shell nozzles
Agree with the others - do not mix mountings. The flat face can "lose" that battle under bolt torque.
RE: FF SO on shell nozzles