I want to design nitrogen and vent control valve for storage tanks (Floating roof).
I calculated inbreathing and outbreathing calculations.
what i understand:
1. Nitrogen control valve max flow is based on Inbreathing
2. Vent control valve max flow design is based on out breathing.
is my understanding right? while design vent control valve- is it needed to sum outbreathing and Nitrogen flow to the tanks