EATON Vickers ‘E’ Series Piston Pumps V-PUPI-TM010-E December 2009 28
Application Data
Fluid Cleanliness
Proper fluid condition
is essential for long
and satisfactory life of
hydraulic components and
systems. Hydraulic fluid
must have the correct
balance of cleanliness,
materials, and ad ditives for
protection against wear
of components, elevated
viscosity, and inclusion of
air. Fluid contamination
levels according to ISO4406
should not exceed 21/18/13
for PVE Piston pumps.
Essential information on the
correct methods for treating
hydraulic fluid is included
in Eaton publication 561
“Eaton Guide to Systemic
Contamina tion Control”
available from your local
Eaton distributor or by
contacting Eaton Hydraulics.
Recommendations on
filtration and the selection
of products to control fluid
condition are included in 561.
Recommended cleanliness
levels, using petroleum oil
under common conditions,
are based on the highest
fluid pressure levels in the
system and are coded in
the chart below. Fluids
other than petroleum,
severe service cycles, or
temperature extremes are
cause for adjustment of
these cleanliness codes.
See Eaton publication 561
for exact details.
Eaton products, as any
com ponents, will operate
with apparent satisfaction
in fluids with higher
cleanliness codes than
those described. Other
manufacturers will often
recommend levels above
those specified. Experience
has shown, however,
that life of any hydraulic
component is shortened
in fluids with higher
cleanliness codes than
those listed below. These
codes have been proven to
provide a long, trouble-free
service life for the products
shown, regardless of the
manufacturer.
Fire resistant fluids
Water glycol, phosphate
ester and polyol ester fluids
may be used with PVE
pumps. With the PVE012
and PVE19, system
pressure and input speed
should not exceed 140 bar
(2000 psi) and 1800 r/min.
System temperature
should not exceed 54°C
(130°F). Inlet vacuum
should not exceed 101,6
millibar (3 in. Hg.).
Hydraulic fluids and
temperature ranges
Use antiwear hydraulic
oil, or automotive type
crankcase oil designations
SC, SD, SE or SF per SAE
J183FEB80.
Select a viscosity grade
that will allow optimum
viscosity, between 40 cSt
(180 SUS) and 16 cST (80
SUS), to be achieved within
the optimum performance
envelope shown.
For further information, see
Eaton Hydraulic Hints and
Trouble Shooting Guide.
Ordering procedure
Order PVE pumps by the
full model designation.
Pump displacement,
mounting flange type,
direction of rotation, pump
configuration, shaft end
type, seals, pressure
adjustment range, specific
control functions are all
specified in the full model
code.
(28 pages)
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