Pressure and volume is not related that way, however in a home Plumbing system, 20 psi would give you very poor flow in any faucet.
50 gallons of water per minute equals 3,000 gallons per hour.
About 1.25 gallons per minute.
odoas
About 500,000 gallons of water
4.483 US gallons per minute.
150,000 gallons
96 gallons per minute = about 363.4 liters per minute.
The answer is unknown. In order to answer this question you need to know the pressure of the water.
One cubic foot per minute = 7.481 US gallons per minute.
The mean annual flow is 287,476 gallons per second
Between a 500-gallon-per-minute pump and a 2,000-gallon-per-minute pump.
50GPM