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How to Increase Water Pressure in a Submersible Pump?

Published in Pump Pressure Improvement 3 mins read

To increase water pressure from a submersible pump, you can either reduce the discharge pipe size or add a booster pump. Here's a breakdown of how to approach it:

Methods to Increase Submersible Pump Water Pressure

1. Reducing Discharge Pipe Diameter

  • How it works: By reducing the diameter of the discharge pipe exiting the pump, you increase the water's velocity. This increased velocity results in higher pressure at the point of discharge, similar to putting your thumb over the end of a garden hose.
  • Effect on volume: This method does not increase the overall volume of water being pumped; it only increases the pressure of the water exiting the pump. The volume remains the same but is pushed through a smaller opening.
  • Practical Application: This is a simple and cost-effective solution if you need higher pressure for specific purposes without requiring a higher volume flow rate.

2. Adding a Booster Pump

  • How it works: A booster pump is installed in-line with your existing submersible pump, giving the water an extra push and raising both the pressure and volume. It’s essential for scenarios where higher pressure and a greater flow are needed.
  • Effect on volume: Unlike reducing the pipe diameter, adding a booster pump increases both the water pressure and the volume of water being delivered.
  • Practical Application: A booster pump is ideal for situations such as watering large gardens, irrigating, or providing consistent high pressure to multiple outlets.
  • Considerations: When choosing a booster pump, ensure it is compatible with your current system and can deliver the desired flow rate and pressure.

Summary Table

Method Increases Pressure? Increases Volume? Complexity Cost Best Use
Reduce Discharge Pipe Size Yes No Low Low Higher pressure, same volume
Add Booster Pump Yes Yes Medium Medium Higher pressure and volume

Important Notes

  • Before implementing any changes, ensure your pump system and pipes can withstand the increased pressure.
  • Consult a professional if you are unsure about making these modifications.
  • Always prioritize safety when working with plumbing and electrical equipment.

By understanding these two main methods, you can effectively increase water pressure from your submersible pump to meet your specific needs.

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