18
How canFestohelpyou to
optimiseyour application?
Select theapplicationwhich is
most similar toyours.Wehave
calculated thepotential savings
permeasureper year asa%, in
eurosand inCO
2
emissionsand
entered the resultingvalues in
theappropriate column.
General conditions:
250workingdaysper year
16hoursper day
6bar operatingpressure
Annual savings
>€1000
€500 to€1000
€100 to€500
<€100
Thepayoff
Energyefficiencymeasure
Description
Workingparameters
Number of cylinders [pcs.]
Cylinderdiameter [mm]
Stroke [mm]
Distance from cylinder tovalve [m]
Cycle rate [s]
6
2
8
4
bar/psi
Reducepressure
From6 to5bar
m
m
Correct sizing
50%of the cylinders
onesizesmaller
Reduce tubing lengths
Tubingvolume cut inhalf
(tubing50%shorter)
P
t
Δp
Reducepressure losses
Withanoptimised compressedair
network, pressure canbe reduced
at the compressor by1bar
Reduce leakages
Reduce leakages
from20% to10%
Recover energy
Energy recovery for 5%of thepneu-
maticdrives
I
P
Switchoff power
Switchoff for 3rdshift
(20% leakage)
V
t
V
Useair-saving circuit
50%of thedriveswith returnstroke
at 3bar
Annual savings
