Internal oil pipe diameter (d)
Diameter (
d
)
mm
Fluid Speed (
v
)
m/sec
Pump Flow (
Q
)
l/min
Result
Calculate
Q
Calculate
d
Calculate
v
Pipe/connection Type
Speed
Possible Speed values
Suction Pipe
v
from
0,5
to
1
m/sec
Return Pipe
v
from
1,25
to
3
m/sec
Pressure Pipe
v
3,25
m/sec for Pressure up to
100
Bar
Pressure Pipe
v
From
3,5
to
5
m/sec for Pressure up to
150
Bar
Pressure Pipe
v
From
5,25
to
7
m/sec for Pressure up to
200
Bar
Pressure Pipe
v
From
7,25
to
9
m/sec for Pressure up to
350
Bar