• Team Basca

Tank and containers typical gravity drainage flows

An important data to know is the time and volume that a tank or container can drain liquids from the drainage valve using only the power of gravity.

Size - gallons per minute - Liter per minute


1" - 6 gpm - 22.7 lpm

1 1 /2 " - 13 gpm - 49.21 lpm

2" - 23 gpm - 87 lpm

2 1 /2 "- 35 gpm - 132.5 lmp

3" - 50 gpm - 189 lpm

4" - 91 gpm - 344.5 lpm

5" - 142 gpm - 537.5 lpm


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