Types of Oils and Lubricants
Shell Refrigeration Oil S2 FR-A
Refrigerator Compressor Lubricant: 
- Reliable Performance 
- Compatible with NH3

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 minimise system deposits and
provide long service life
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