Hydraulic system piping diameter selection table
1.Suction piping
1.2~1.3 m/s
2.Return piping
1.7~4.5 m/s
3.Pressure oil piping
<25 bar 2.5~3 m/s
<50bar 3.5~4 m/s
<100bar 4.5~5 m/s
<200bar 5~6 m/s >200bar 6~7.6 m/s
Pump flow rate and recommended oil pipe diameter
