I Water Tank Overflow Air Piston concept/question

[ScottyP99]

Hi Russ sorry for the delay. It can, but not by any major scale, so we are stuck.

But, could you confirm my calcs below IF we were to pump air from a compressor into the supply tank to force the water up the pipe:

Assume we need min 20 psi min
Tank volume is 279 cu ft
Air is incompressible

Compressor specs (values taken from commercial comp online)
PSI	40
CFM @ 40psi	15.4
Volts	230
AMPS	25
Time to fill Supply Tank (mins)	6
Power (watts/hour)	5750
KWh used	0.61

So it would take the above compressor 6 minutes at 40 psi to fill the supply tank and purge the water up thru the outlet line ?

I know there will be issues with some water not being able to purged, but the overall volume should be using these values correct ?l

 

[ScottyP99]

And I get the min 20 PSI from the weight of the water in the column/the column area (279 lb/12.2 sq in), and used a 40 psi compressor value to account for compression of air etc