Hydraulic Pressure & Flow Rate Reference Guide
Complete technical guide on Hydraulic Pressure & Flow Rate Guide - learn everything about hydraulic systems from Haichen Hydraulic experts.
Pressure Classification
- Low Pressure: 0-100 bar
- Medium Pressure: 100-250 bar
- High Pressure: 250-500 bar
- Ultra High Pressure: 500+ bar
Flow Rate Calculations
- Q (L/min) = V (cm³/rev) × N (rpm) / 1000: Basic flow calculation
- Q (gal/min) = V (ci/rev) × N (rpm) / 231: US gallons per minute
Pump Types by Application
- Gear Pumps: Low-Medium pressure, simple design
- Vane Pumps: Medium pressure, high efficiency
- Piston Pumps: High pressure, best efficiency
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