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Hydraulic Pipe Diameter Calculator
Calculate the pipe bore size, fluid speed or pump flow in hydraulic system using this calculator.
You should know if you are calculating a Suction Pipe, Return Pipe or Pressure Pipe?
A guide to “normal” fluid speeds within these types of pipes are shown below. Calculated values for Fluid Speed v (m/s) should fall within these ranges.
Enter your known values and select units, enter a zero in your unknown value.
| PIPE TYPE | ALLOWABLE SPEED VALUES |
|---|---|
| SUCTION PIPE: | From 0.5 a 1 m/sec |
| RETURN PIPE: | From 1,25 a 3 m/sec |
| PRESSURE PIPE: | 3,25 m/sec for Pressure up to 100 Bar |
| PRESSURE PIPE: | From 3,5 to 5 m/sec for Pressure up to 150 Bar |
| PRESSURE PIPE: | From 5,25 to 7 m/sec for Pressure up to 200 Bar |
| PRESSURE PIPE: | From 7,25 to 9 m/sec for Pressure up to 350 Bar |
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