Shell Corena S4 P 68


Shell Corena S4 P 68 is an Advanced Synthetic Reciprocating (Piston) Air Compressor Oil


Shell Corena S4 P is an advanced synthetic air compressor oil incorporating synthetic ester base fluids and a unique
high performance additive system. It is designed to deliver the highest performance lubrication for high pressure
reciprocating compressors running in excess of 220 C discharge temperatures at elevated pressures.


Performance, Features & Benefits


Long oil life – Maintenance saving


  • Shell Corena S4 P is designed to provide safe, reliable an effective lubrication for extended service periods where mineral compressor lubricants are unsatisfactory.
  • Shell Corena S4 P helps ensure continued high performance of the compressor over long periods and reduces maintenance costs and shutdowns
  • Shell Corena S4 P can extend the normal valve maintenance period from typically up to 1000 hours of operation using conventional mineral oils, to 2000 to 4000 hours depending on operating conditions.


Outstanding wear protection
  • Shell Corena S4 P helps provide exceptional protection of internal metal surfaces from corrosion and wear to help prolong the life of critical parts such as bearings and gears.


Maintaining system efficiency


  • Shell Corena S4 P helps prevent the formation of carbon deposits and lacquer on valves and piston crowns at high working temperatures and pressures.
  • Shell Corena S4 P has excellent water separation to help prevent accelerated corrosion and facilitating easy draining of condensate.


Enhanced air line safety


  • In discharge air lines, the combination of rust particles, dispersed in carbonaceous deposits, coupled with heat from recently compressed air, can cause a reaction leading to the possibility of fires and explosion. Shell Corena S4 P helps to minimise the likelihood of this danger.

Main Applications

Reciprocating air compressors

Shell Corena S4 P is suitable for all industrial reciprocating air compressors, in particular those operating under severe conditions of air discharge temperatures in excess of 220C with continuous high delivery pressures.


Breathing air compressors

Shell Corena S4 P may be used in breathing air compressors, provided subsidiary clean-up apparatus is used to ensure that the air produced is fit for breathing


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