Key:flow_rate
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 flow_rate
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| Description |
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Nominal flow rate  
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| Group: properties |
| Used on these elements |
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| Useful combination |
| Status: in use |
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Use flow_rate=* for the nominal flow rate of a feature (a pipeline, a hydrant, a river).
A numeric value with its unit, in International System standard unit is m3/s.
Use with hydrants
For hydrants are preferable units like l/min (liters per minute), usgal/min (US gallons per minute), ukgal/min (UK gallons per minute), or m3/h (cubic meter per hour). e.g.: flow_rate=600 l/min
The use of usgal/min or ukgal/min instead of gpm is necessary because UK and US gallons are different.