- Refrigeration compressors
ISO VG 32
Synthetic refrigeration compressor oil for R-12, R-22 and ammonia
Refrigeration compressor oil KC — DIN 51503
Class KC of DIN 51503: an oil for refrigeration compressors running halogenated refrigerants, with which it is miscible.
Refrigeration compressor oil KAA — DIN 51503
Class KAA of DIN 51503: a mineral oil for ammonia refrigeration compressors, not miscible with the refrigerant.
Italian military hydraulic fluid, type IV (NATO O-290 equivalent)
Italian Navy (Marina Militare) specification for low-density aviation hydraulic fluid, equivalent to NATO code O-290.
Lubricant classification DRA — ISO 6743
Class DRA of ISO 6743-3: mineral oil for refrigeration compressors with ammonia or non-miscible refrigerants.
| Property | Typical value | Method |
|---|---|---|
| Appearance | clear | APM 27 |
| Density at 15°Ckg/m³ | 842 | ASTM D 4052 |
| Viscosity at 40°Cmm²/s | 32 | ASTM D 445 |
| Viscosity index | 104 | ASTM D 2270 |
| Flash point (COC)°C | 215 | ASTM D 92 |
| Pour point°C | -48 | ASTM D 97 |
| Foaming (sequence I)cc/cc | 0/0 | ASTM D 892 |

Eni Betula S 32 is a synthetic lubricant for refrigeration compressors, recommended for hermetic (domestic) compressors, open-type industrial units and heat pumps running on standard refrigerants (R-12, R-22 and ammonia).
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