Draining IBC

JimS

Member
How long does it take for an IBC container to drain by gravity feed through a 100 foot 3/4 inch hose?
 
The person who can answer this will also need to know the height difference between the water surface / inlet and the outlet of the hose.
 
IBCs are 4x4x4 and hold 275 gallons and have a 2" exit valve that is actually a little closer to 1 1/2" but allowing for 2" outlet into a 100 foot long 3/4 hose would suffice.
 
How about this; I know that opening that 2" valve with no hose it will take about 10-12 minutes for the tank to drain. A 3/4 inch opening by area is 7.11 times smaller than a 2" opening's area. Multiply the increased time by 7 and it will take roughly 70 minutes for the tank to drain? Of course this does not account for the increase resistance of the smaller hose or the friction loss of the 100 feet of 3/4 inch hose so it is a safe bet that it will take an hour and a half or more to drain a 275 gallon IBC tote (4x4x4) through a 2" valve into a 3/4 inch hose 100 feet long?
 
I use an ICB double stacked and drive my little 300 L spray tank under to fill it with a hose.
So I’m down to 700 L and the I left it open when I went to spray.
Tank was empty by the time I can back for a refill... was gone half hour +- 10 min. When did it run out?? Who knows.

Sorry that was the best I can do for you. Sorry.
What are you hoping to achieve?
Grant
 

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