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Oil Pipes - Recommended Flow Velocities

Oil pipes flow velocities should be kept within certain limits.

The table below can be used when designing oil pipes:

Oil Pipes - Recommended Flow Velocities
Oil ApplicationOil Flow Velocity
m/sft/s
Suction lines for pumps < 0.5 < 1.6
Suction lines for pumps at low pressures 0.1 - 0.2 0.3 - 0.65
Discharge lines for booster pumps 1.0 - 2.0 3.3 - 6.5
Discharge lines for burner pumps < 1.0 < 3.3

Values depends on the viscosity of the oil - typical qualities like benzol, gas oil ..

Heavier oils with higher viscosities requires lower velocities - but can be compensated with heating and heat tracing.

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