Eni Arnica 22
Low-zinc anti-wear hydraulic oil for high-pressure systems
ISO VG 22
Eni Acer 22 is a lubricant for circulation systems and hydraulic circuits that call for anti-rust and antioxidant properties. Eni Acer 22 is recommended in particular for lubricating plain and rolling bearings, crank mechanisms and toothed couplings that need no anti-wear or EP properties, and for joints and wet clutches outside automotive use.
CETOP RP 91 H, type HL — hydraulic fluids
The recommendation of the European oleohydraulics and pneumatics committee for hydraulic fluids; type HL covers inhibited oils without antiwear additives.
BS 4231 class HSC — hydraulic viscosity grade
The British standard classifying hydraulic fluids by viscosity; classes HSA–HSE track the ISO VG grades, HSC sitting around ISO VG 32.
Hydraulic oil HL — DIN 51524, part 1
Part 1 of the standard: HL oils, additised against oxidation and corrosion but without antiwear protection. They are used where pressures are low.
Hydraulic oil, type H HL — ISO 11158
Class HL of ISO 11158: a mineral hydraulic oil additised against oxidation and corrosion but without antiwear protection — for low-pressure systems.
NF E 48-603 type HL
Class HL of the French standard: a hydraulic oil additised against oxidation and corrosion, without antiwear protection.
Morgoil — oil-film bearing oil for rolling mills
The Morgan — today Primetals — specification for the oils in the oil-film backup roll bearings of rolling mills. Its central demand is rapid water separation at tank temperature, because cooling water inevitably reaches the oil.
| Property | Typical value | Method |
|---|---|---|
| Appearance | clear | APM 27 |
| Density at 15°Ckg/m³ | 868 | ASTM D 4052 |
| Viscosity at 40°Cmm²/s | 22.0 | ASTM D 445 |
| Viscosity index | 109 | ASTM D 2270 |
| Flash point COC°C | 210 | ASTM D 92 |
| Pour point°C | -30 | ASTM D 5950 |
| Demulsibility at 54°Cmins | 15 | ASTM D 1401 |
| Rust test/B | pass | ASTM D 665 |
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