Thank you everybody for your great advice.
In my case the customer rejected the internal floating roof in the beginning of the project. And his design team turned to P/V valve. Gas blanketing is out of budget so for us is not an option.
The information about flame arresters supplied is very...
Hi 302Hugo
I think you have to evaluate posible ingition sourses. API suggest the flame arrestors for above ground storage tanks because usually tank farms are located in open spaces with no high structures around. So, the tank roof is close to be a shortcut for lighting to strike to ground...
Hi, I'm building 3 ethanol storage tanks, and need some advice for venting design.
The tanks were design by API 650 without internal floating roof.
The designer required a PVR valve to keep the tank isolated from water vapor in air. The site is very humid we reach normally 80 - 90% RH trouhg...