Shell Refrigeration Oil S4 FR-V 68 is an advanced synthetic alkylated benzene-based lubricant engineered for use in refrigeration compressors with a wide range of refrigerants excluding HFCs.
High-performance synthetic lubricant for refrigeration systems
Alkylated benzene formulation ensures high solvency for system cleanliness
Compatible with refrigerants including R717 (ammonia), R744 (CO₂), R12, R22, and R290 (propane)
Extended oil drain intervals due to excellent deposit and sludge control
Outstanding thermal and oxidation stability under high discharge temperatures
Fully miscible with mineral, PAO-based, and alkylated benzene lubricants
Can serve as a flushing fluid in turbine systems
Suitable for rotary and reciprocating compressor types
Formerly known as Shell Clavus Oil AB
Global Product Code: 001D8400
Shell Refrigeration Oil S4 FR-V 68 is a synthetic refrigeration compressor lubricant based on alkylated benzene technology. It is designed to meet the lubrication needs of compressors operating with most refrigerants—excluding HFCs—and is suitable for domestic, commercial, and industrial applications. Formerly marketed as Shell Clavus Oil AB, this product ensures optimal system operation and long maintenance intervals.
| Property | Typical Value | Method |
|---|---|---|
| ISO Viscosity Grade | 68 | ISO 3448 |
| Refrigerator Oil Group | KAA, KC | DIN 51503 |
| Kinematic Viscosity @ 40 °C | 68 mm²/s | ISO 3104 |
| Kinematic Viscosity @ 100 °C | 6.2 mm²/s | ISO 3104 |
| Density @ 15 °C | 871 kg/m³ | ISO 12185 |
| Flash Point (COC) | 190 °C | ASTM D92 |
| Pour Point | -39 °C | ASTM D97 |
| Neutralisation Number (TAN) | 0.04 mg KOH/g | ASTM D664 |
| Floc Point (R12/R22/R290) | -30 °C | DIN 51351 |
| Refrigerant Stability @ 250 °C (R12/R22/R290) | 96 °C | DIN 51393 |
| Miscibility | Miscible across the full refrigeration temperature range | — |