Shell Refrigeration Oil S2 FR-A 68
Refrigerator Compressor Lubricant
Shell Refrigeration Oil S2 FR-A is a low miscibility compressor lubricant intended for use in refrigeration compressors using Ammonia refrigerant. It is formulated from specially refined paraffinic base oils in combination with additives selected to minimize system deposits and provide long service life.
Performance, Features & Benefits
- System efficiency
- Extended maintenance intervals
Main Applications
- Refrigerator compressors
Shell Refrigeration Oil S2 FR-A is recommended for use in open, semi-open and hermetic compressors in domestic, commercial and industrial refrigeration systems. It can be used in both rotary and reciprocating compressor types.
- Refrigerant compatibility
Shell Refrigeration Oil S2 FR-A is recommended for use with ammonia (R717) based refrigeration systems where it offers excellent performance, even under high compressor discharge temperatures, or down to evaporation temperatures of -30°C.
It can also be used in systems using hydrocarbons such as propane (R290).
Shell Refrigeration Oil S2 FR-A is not recommended for use with CFC, HCFC or HFC refrigerants such as R12, R22 or R134a.
- Shell Refrigeration Oil S2 FR-A meets the requirements of DIN 51503 KAA and KE.
- Seal Compatibility
Shell Refrigeration Oil S2 FR-A is compatible with all commonly used sealing materials designed for use with mineral oils.
- Lubricant Compatibility
Shell Refrigeration Oil S2 FR-A is completely miscible with mineral oil, alkylated benzene and PAO based lubricants.



