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AGIP OSO
PROPERTIES AND PERFORMANCE
The oils are designed for energy transmission in plants requiring the use of a hydraulic fluid. The oils
also provide adequate lubrication by creating a strong lubricant film which withstands high loads
between the sliding parts of high-pressure hydraulic systems.
AGIP OSO oils have very good antiwear properties, as illustrated by typical test results:
* vane and ring wear in the Vickers test around 35 mg;
* the higher grades (OSO 46-150) passes the 12th stage of the FZG test, while,
the lowerest grades passes the 11th.
They have extremely good oxidation resistance and stability even when subjected to unusually high
thermal stresses; this property minimizes sludge and deposit formation, thus preventing blocking of
ports, valves and controls, while guaranteeing that the oil remains properly fluid. Maintenance costs
are therefore reduced and the useful service life of the oil is extended.
The high Viscosity Index of all grades minimizes changes in viscosity throughout the normal range of
operating temperatures, thus ensuring constant flow, low friction loss and good hydraulic efficiency,
while protecting against the possibility of cavitation.
They have a low pour point which allows easy start-up of hydraulic equipment even at low
temperatures, without circulation or regulation problems.
Their outstanding anticorrosion and antirust properties inhibit the oxidation of internal surfaces of
hydraulic circuits and therefore prevent operating difficulties and breakdown of the oil caused by
metallic oxides that would otherwise form within the machinery.
Their good demulsibiliy prevents the formation of a stable emulsion between the oil and any water
which enters the system through leakage or condensation. The fluids therefore maintain their
lubricating power and anticorrosion performance even under these circumstances.
Their antifoam properties and their ready release of entrained air prevent difficulties with pumps and
controls which can cause irregularities in performance and other problems arising from the
compressibility of air bubbles.
They show a very high filtrability; they are suitable for very fine filters (3 micron up to ISO VG 68)
SPECIFICATIONS
AGIP OSO products meet the requirements of the following specifications:
-
DIN 51524 teil 2 HLP
-
AFNOR NF E 48603 HM
-
CETOP RP 91 H HM
-
DENISON HF-2
-
VDMA 24318
-
BS 4231 HSD
-
ISO-L-FD (OSO 15-22)
-
ISO-L-HM (OSO 22-150)
AGIP OSO products are approved by the following manufacturers:
-
HYDROMATIC (REXROTH)
-
HORBIGER HYDRAULIC
-
LINDE
-
SAUER
-
ZF TE-ML 12
Eni S.p.A.
Divisione Refining & Marketing
Via Laurentina 449, 00142 Roma
Tel. centralino +39 06 5988.1
www.eni.it
[IN314.05.02]
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