Shell Omala S4 WE 220 is an advanced synthetic polyalkylene glycol-based gear oil engineered for industrial worm drives, delivering long oil life, excellent wear protection, and proven energy efficiency improvements.
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Shell Omala S4 WE 220

Old product name: Shell Tivela S

Shell Omala S4 WE 220 is an advanced synthetic polyalkylene glycol-based gear oil engineered for industrial worm drives, delivering long oil life, excellent wear protection, and proven energy efficiency improvements.

Category:

Shell Omala S4 WE 220

( Previously named: Shell Tivela S )

High-performance synthetic gear oil for worm drive systems

  • Polyalkylene glycol (PAG) formulation for superior worm gear performance

  • Outstanding thermal and oxidation stability for extended oil drain intervals

  • High resistance to micro-pitting and wear under shock loads

  • Demonstrated energy savings: up to 15% vs. mineral oils, 11% vs. synthetic hydrocarbons

  • Suitable for splash-lubricated bearings and enclosed gear systems

  • Formerly known as Shell Tivela S

  • Not compatible with aluminium components or mineral oil systems

Global Product Code: 001D7857



Application:

Shell Omala S4 WE 220 is a fully synthetic industrial gear oil specifically developed for enclosed worm gear systems operating under severe load and temperature conditions. It utilizes high-quality polyalkylene glycol (PAG) base fluids and advanced additives to provide energy-efficient operation, superior wear protection, and extended service life. Previously branded as Shell Tivela S.

Performance Features & Benefits:

  • Long Oil Life: Excellent thermal and oxidative stability enables significantly extended maintenance intervals while minimizing sludge and deposit formation.
  • Superior Wear Protection: Exceptional resistance to wear and micro-pitting ensures longevity of gear and bearing components even under shock loads.
  • Energy Efficiency: Offers verified energy savings of up to 15% over mineral oils and 11% over synthetic hydrocarbon lubricants in worm gear testing.

Main Application Areas:

  • Enclosed industrial worm gear systems under severe conditions
  • Installations with long service intervals or inaccessible components (e.g., wind turbine yaw gears)
  • Circular and splash-lubricated bearing systems
  • Note: Not recommended for aluminium or aluminium alloy components, or use with mineral oils or incompatible synthetics

Specifications & Approvals:

  • DIN 51517-3 (CLP)
  • Approved by Bonfiglioli

Environmental & Safety Information:

  • Use impervious gloves when handling used oil; avoid prolonged skin contact.
  • Dispose of used oil at approved collection points; do not discharge into soil, drains, or water.
  • Safety Data Sheet (SDS) available via inquiry

Technical Specifications:

Property Typical Value Method
ISO Viscosity Grade 220 ISO 3448
Kinematic Viscosity @ 40 °C 222 mm²/s ISO 3104
Kinematic Viscosity @ 100 °C 34.4 mm²/s ISO 3104
Viscosity Index 203 ISO 2909
Flash Point (COC) 278 °C ISO 2592
Pour Point -39 °C ISO 3016
Density @ 15 °C 1074 kg/m³ ISO 12185
FZG Load Test (A/8.3/90) >12 DIN 51354-2

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