1. What is Pump Head to PSI Conversion?

The pump head to PSI conversion calculates the pressure in pounds per square inch (PSI) based on the pump head in feet for water systems. This is particularly important for pool pump systems to ensure proper pressure and flow rates.

2. How Does the Calculator Work?

The calculator uses the simple formula:

Where:

• \( PSI \) — Pressure in pounds per square inch
• \( H \) — Pump head in feet
• \( 0.433 \) — Conversion factor for water (psi/ft)

Explanation: The conversion factor 0.433 psi/ft comes from the specific weight of water at standard conditions (62.4 lb/ft³) divided by 144 in²/ft².

3. Importance of PSI Calculation

Details: Proper PSI calculation helps in selecting the right pool pump, ensuring adequate water flow through filters and cleaning systems, and preventing damage to pool equipment from excessive pressure.

4. Using the Calculator

Tips: Enter the total dynamic head (TDH) of your pool pump system in feet. This includes all vertical lift and friction losses in the piping system.

5. Frequently Asked Questions (FAQ)

Q1: What is pump head in pool systems?
A: Pump head is the total resistance the pump must overcome, including vertical lift and friction losses in pipes, filters, and other components.

Q2: What is a typical PSI range for pool filters?
A: Most pool filters operate between 10-25 psi when clean, with a maximum typically around 50 psi depending on the filter type.

Q3: Does this conversion work for other liquids?
A: No, the 0.433 factor is specific to water. For other liquids, use their specific weight divided by 144 in²/ft².

Q4: How often should I check my pool pump pressure?
A: Check at least weekly when the filter is clean to establish a baseline, then monitor for increases that indicate filter clogging.

Q5: What if my actual pressure differs from calculated?
A: Significant differences may indicate issues like clogged filters, incorrect pump sizing, or measurement errors in determining total head.