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SECTION 14: Appendix
Horizontal
Pipe Run
Pump
Setting
Service
Pressure
Friction
Loss
Head
Standing
Water
Level
Submergence
Drawdown
Elevation
Figure 12-1: Common Pump Terminology
14.3 Sizing Submersible Pump, Motor,
and Tanks
Sizing a Submersible Pump
The following steps should be taken relative to properly
sizing the system.
1. Determine gpm of system and well.
2. Size of well casing and type.
3. Determine service pressure requirements.
4. Determine voltage and phase.
5. Determine discharge pipe size.
6. Calculate friction head loss.
7. Determine (total discharge) head.
8. Select the submersible pump for the above criteria,
and appropriate controls for the pump.
9. Select the proper size tank for minimum one minute
pump run time.
10. For starting frequency, refer to Section 5.10.
11. Determine the distance from the service entrance
panel to the pump motor.
12. Determine the size wire required based on the motors
maximum load amps and the distance from the
service entrance to the motor.
14.4 How to Select the Correct
Pumping Equipment
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