Shell Omala S4 WE 220
Shell Omala S4 WE 220
Shell Omala S4 WE 220
Shell Omala S4 WE is an advanced synthetic heavy duty industrial worm drive gear oil formulated using specially
selected polyalkylene glycol base fluids and additives. It offers outstanding lubrication performance under severe
operating conditions, including improved energy efficiency, long service life and high resistance to micro-pitting.
· Long oil life - maintenance saving Recommended for industrial worm gear reduction systems
operating under severe operating conditions, such as high
Shell Omala S4 WE is formulated to provide excellent
load, very low or elevated temperatures and wide
oxidation and thermal stability, extending lubricant life and
temperature variations.
resisting the formation of harmful oxidation products at high
operating temperatures. This helps maintain system · Extended life systems
Shell Omala S4 WE is particularly recommended for certain
cleanliness over extended maintenance intervals.
systems where maintenance is infrequent or systems are
Shell Omala S4 WE offers the potential to extend service
inaccessible (eg yaw gears in wind turbine installations).
intervals significantly compared to conventional industrial
gear oils. · Other applications
micro-pitting. These features provide benefits over mineral of components manufactured from aluminium or aluminium
life. For highly-loaded spur and helical gears the Shell Omala
polyalkylene glycols will tend to attack certain conventional also be replaced. Inspect the lubricant after a few days use.
paints. Shell Omala S4 WE has been found to be Ensure that oil systems are clean and free from
Viton seals are preferred. Shell Omala S4 WE is also not miscible with some other
Flash Point 0
C ISO 2592 (COC) 278
Pour Point 0
C ISO 3016 -39
Density 0
@15 C kg/m 3 ISO 12185 1074
FZG Load Carrying Test failure load stage DIN 51354-2 >12
A/8.3/90
These characteristics are typical of current production. Whilst future production will conform to Shell's specification,
variations in these characteristics may occur.
· Guidance on Health and Safety is available on the appropriate Material Safety Data Sheet, which can be obtained from
http://www.epc.shell.com/
Additional Information
· Advice
Advice on applications not covered here may be obtained from your Shell representative.