SHELL OMALA S4 WE220

Introducing SHELL OMALA S4 WE220: Advanced Synthetic Industrial Gear Oil

For reliable performance and protection in heavy-duty worm drive gear systems, SHELL OMALA S4 WE220 is the ideal choice. This advanced synthetic oil offers outstanding lubrication under severe operating conditions, providing long service life, improved energy efficiency, and high resistance to micro-pitting.

Performance, Features, and Benefits

Long Oil Life SHELL OMALA S4 WE220 is formulated to provide excellent oxidation and thermal stability, extending lubricant life and resisting the formation of harmful oxidation products at high operating temperatures. This helps maintain system cleanliness over extended maintenance intervals and significantly extends service intervals compared to conventional industrial gear oils.

Excellent Wear Protection This oil offers excellent load-carrying capacity and a high resistance to micro-pitting, ensuring long component life even under shock loading conditions. These features provide benefits over mineral oil-based products in terms of gear and bearing component life.

Maintaining System Efficiency SHELL OMALA S4 WE220 offers improved energy efficiency and lower operating temperatures in worm gear applications. Rig testing has shown efficiency improvements of up to 15% compared to mineral oil-based products and 11% over other synthetic hydrocarbon-based lubricants. These results have been confirmed by OEM testing and field experience.

Main Applications

Enclosed Industrial Worm Gear Systems SHELL OMALA S4 WE220 is recommended for industrial worm gear reduction systems operating under severe conditions, such as high load, very low or elevated temperatures, and wide temperature variations.

Extended Life Systems This oil is particularly recommended for systems where maintenance is infrequent or systems are inaccessible, such as yaw gears in wind turbine installations.

Other Applications SHELL OMALA S4 WE220 oils are suitable for the lubrication of bearings and other components in circulating and splash-lubricated systems. It is not recommended for the lubrication of components manufactured from aluminum or aluminum alloys. For highly-loaded spur and helical gears, the Shell Omala “G” series oils are recommended. For automotive hypoid gears, the appropriate Shell Spirax Oil should be used.

Specifications, Approvals, and Recommendations

DIN 51517-3: (CLP)
Fully approved by Bonfiglioli
For a full listing of equipment approvals and recommendations, please consult your local Shell Technical Helpdesk.

Typical Physical Characteristics

Viscosity Grade: ISO 3448 220
Kinematic Viscosity @ 40°C: 222 mm²/s
Kinematic Viscosity @ 100°C: 34.4 mm²/s
Viscosity Index: 203
Flash Point (COC): 278°C
Pour Point: -39°C
Density @ 15°C: 1074 kg/m³
FZG Load Carrying Test Failure Load Stage: DIN 51354-2 A/8.3/90 >12

Health, Safety, and Environment

Health and Safety SHELL OMALA S4 WE220 is designed to be safe when used as recommended and when good personal hygiene practices are followed. Avoid skin contact by using impervious gloves when handling used oil, and wash immediately with soap and water if contact occurs. For more detailed information, refer to the Safety Data Sheet available on the Shell website.

Environmental Protection Dispose of used oil at an authorized collection point. Avoid discharging oil into drains, soil, or water to prevent environmental contamination.