Calculate flush velocity, flow rate, and time for hydraulic system pipe cleaning
Input Parameters
Results
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Required Velocity
ft/s
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Flush Flow Rate
gpm
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Reynolds Number
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Estimated Flush Time
hours
Reference
Turbulent flow required: Re > 4000
Velocity typically 10-20 ft/s for effective flushing
Each NAS class reduction ≈ 3 system volume passes
Filter during flush: 3 micron absolute minimum