This structured approach transforms the spreadsheet from a simple calculator into a powerful and auditable design tool.
): The residual pressure required at the final delivery point (e.g., fixture requirements). Velocity Head ( Hvcap H sub v
In Excel, the is highly preferred for its accuracy across all fluid types: booster pump head calculation xls
Determine the peak water demand. For commercial buildings, use or fixture units to estimate peak flow in Liters per Second (L/s) or Gallons per Minute (GPM). Step 2: Calculate Static Head Measure the physical vertical distance.
(Residual/Final Pressure): The pressure you want at the highest outlet (typically 40–60 PSI for homes). Hsupplycap H sub s u p p l y end-sub This structured approach transforms the spreadsheet from a
Furthermore, major pump manufacturers like Grundfos or Xylem offer proprietary software and Excel-integrated macros that are linked directly to their product catalogs. This allows you to punch in your calculated TDH and instantly receive a list of optimized pump models that fit your system requirements. Let me know:
For large projects (hotels, hospitals, industrial plants), your spreadsheet should include: For commercial buildings, use or fixture units to
The pressure needed at the final outlet for fixtures to operate correctly. 2. The Core TDH Formula
Convert valves, tees, and elbows into equivalent lengths of straight pipe to simplify calculations. Step 4: Establish Residual Pressure Requirements