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• Measure of Pressure to Head . ANSWER: Pressure x 2.31 = Head
• Measure of Head to Pressure . ANSWER: Head x 0.434 = Pressure
• Pump Capacity (GPM . ANSWER: = Total gallons used divided by 7 times
• Total Suction Lift is calculated by adding the following: . ANSWER: Static water
level
Drawdown
Friction Lose
Elevation of pump (jet pumps only)
• Static Discharge . ANSWER: it is the elevation of the highest water level above
the top of the well in an open discharge system
• Friction Loss . ANSWER: Friction increases as pipe diameter decreases
• Total pumping head is expressed in . ANSWER: Feet of head (foh) or (psi)
Calculated by
Total suction
static discharge head
discharge system friction lose