Typical Data for Tank Venting Equipment Sizing / Selection

Typical Information required to Size / Select Operating (Press/Vac) Valve and Emergency Vents

Tank Blanketed y/n
if yes normal blanket press ?
Tank Capacity
bbls or gallons
Wetted Surf Area
ft2
or Height &
ft
Dia.
ft
Product
Flash Pt
Boiling Pt
MAWP Pressure
“WC, Oz/in2, PSIG etc
MAWP Vacuum
“WC, Oz/in2, PSIG etc
Press Set
“WC, Oz/in2, PSIG etc
Vacuum Set
“WC, Oz/in2, PSIG etc
Emergency Set
“WC, Oz/in2, PSIG etc
Pump in Rate
bbls or gallons
Pump Out Rate
bbls or gallons
Overpressure
std overpressure 100% Weight Loaded  Std 10% for Pilot Operated
Note: if your application requires lower OP Refer to “C” Factor tables shown below capacity charts in Groth Products catalog.