Evolved lubricant for refrigeration compressors
Shell Refrigeration Oil S4 FR-F is a synthetic refrigerator lubricant based on polyol esters. It has been developed for use with R134a and other HFC fluids.
Shell Refrigeration Oil S4 FR-F is suitable for use in hermetic, semi-open compressors opened in domestic, commercial and industrial refrigeration systems. It can be used in both rotary and alternative compressors
Compatibility with fluids
Shell Refrigeration Oil S4 FR-F is suitable for use with R 134a and other types of HFC fluids.
Compatibility with gaskets
Shell Refrigeration Oil S4 FR-F is compatible with all sealing materials normally used in refrigeration systems operating with HFC.
Specifications and Approvals
Shell Refrigeration Oil S4 FR-F meets the requirements of DIN 51503 KD.
In the Technical Data Sheet