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The objective of the project is to analyze the venting needs and maximum allowable  working pressure of fifteen (15) storage tanks for the selection of new P/V valves.

Firstly, the inbreathing and outbreathing rates were obtained in accordance with API STD 2000 Seventh Edition; then, the maximum working pressure was obtained according to API STD 650 Twelfth Edition, Add. 3 of 2018.

Tanks evaluated have fixed roof, with diameters ranging from 55m to 8m, with heights from 22m to 10m respectively.