Kako izračunati Pump Sizing
Kaj je Pump Sizing?
Pump Sizing Calculator helps contractors and tradespeople accurately size, spec, and estimate materials and systems.
Formula
Pump HP = (Flow GPM × Total Head ft) / (3960 × Pump Efficiency)
Navodila po korakih
- 1Calculate total head (static + friction + pressure), select pump curve
- 2Apply the formula using your project measurements
- 3Add required safety factors or waste allowances per code
Worked Examples
Vnos
50 GPM, 100 ft total head, 70% efficiency
Rezultat
HP = (50 × 100)/(3960 × 0.70) = 1.8 HP
Common Mistakes to Avoid
- ✕Not applying code-required safety factors or derating
- ✕Forgetting to account for waste and cut losses in material estimates
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