Air Compressors

Product	Description	Main Applications	Technical Specifications
Shell Corena Oil S4 P Corena S4 P68 Corena S4 P100	Shell Corena Oil S4 P100 (ex. Corena AP) products are an advanced reciprocating air compressor lubricant and is based on specially selected synthetic ester fluids. It incorporates the latest additive technology to provide high possible performance.	All industrial reciprocating air compressors, in particular up to and above air discharge temperatures of 220°C with continuous high delivery pressures. Breathing air compressors – Shell Corena S4 P products may be used in breathing air compressors, provided subsidiary clean-up apparatus is used to ensure that the air produced is fit for breathing.	DIN 51506 VDL; ISO/DP 6521-L-DAB – medium duty; ISO 6743-3:2003 DAB – severe duty; EN 12021. Compatibility and Miscibility Seal compatibility – Shell Corena S4 P products, in common with other ester-based lubricants, is not compatible with all seal materials, and some older compressors may need to have the seals changed before they can be run on the new grades.
Shell Corena Oil S4 R Corena S4 R32 Corena S4 R46 Corena S4 R68	Shell Corena Oil S4 R (ex. Corena AS) products are an advanced air compressor lubricant, capable of giving high performance in many oil-flooded air compressor of screw or vane design. Based on selected synthetic base fluids, Shell Corena S4 R products provide long oil life and effective lubrication in machines working in extremes of temperature and working conditions.	Rotary sliding vane and screw air compressors – Oil flooded single and two-stage compressors, in particular those operating with higher output pressures of up to 20 bar and with air discharge temperatures higher than 100°C (including intermittent operation under these conditions). Equipment running under arduous conditions, where exceptionally high ambient temperatures are found, when the oil temperature cannot be reduced to normal levels. ABB Turbochargers fitted to low and medium speed diesel engines used in marine and power generation applications.	ISSO 6743-3A-DAJ. Shell Corena S4 R68 fulfils the requirements of ABB VTR 184.714 “Special low friction synthetic oil” with a maximum oil change interval of 5000 hours (HZTL 90617, List 3). Compatibility and Miscibility Miscibility – Shell Corena S4 R products are fully miscible with mineral oils, although dilution with mineral lubricants will markedly reduce its performance. Care must be taken to ensure that Shell Corena S4 R products are not mixed with other synthetic fluids. Seal compatibility – Shell Corena S4 R products are compatible with all sealing materials commonly used in air compressors.
Shell Corena Oil S2 P Corena S2 P68 Corena S2 P100 Corena S2 P150	Shell Corena Oil S2 P (ex. Corena P) products are a premium quality reciprocating air compressor lubricant. It is based on a blend of specially selected base oils to provide a level of performance approaching that of synthetic oils.	Industrial reciprocating air compressors operating with air discharge temperatures of up to 220°C. Shell Corena S2 P products may be used in breathing air compressors, provided subsidiary clean-up apparatus is used to ensure that the air produced is fit for breathing. Shell Corena S2 P150 is approved for use in Bauer breathing air compressors.	DIN 51506 VDL ISO 6743-3:2003 DAA Normal Duty Corena S2 P150 is approved by Bauer and is included in the “Bauer reference oil list for breathing air compressor lubricants”. Compatibility and Miscibility Seal compatibility – Shell Corena S2 P products are compatible with all sealing materials commonly used in air compressors.

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