CORENA S4 R 68

Shell Corena S4 R 68 is a high-performance synthetic air compressor oil formulated to provide exceptional lubrication for rotary sliding vane and screw air compressors. Designed for demanding applications, it ensures optimal protection and efficiency in compressors operating under high pressures and temperatures.

Key Features and Benefits:

  • Extended Oil Life: Offers oil change intervals up to 10,000 hours, extendable to 12,000 hours under certain conditions, even at discharge temperatures exceeding 100°C.
  • Outstanding Wear Protection: Incorporates an advanced ashless anti-wear system that enhances the longevity of critical components such as bearings and gears.
  • Maintained System Efficiency: Features rapid air release without excessive foaming, ensuring reliable start-up and continuous compressed air availability. Its low volatility reduces oil evaporation and carryover, minimizing top-up requirements and improving air quality.
  • Excellent Water Separation: Demonstrates superior water-separating properties, maintaining efficient compressor operation even in the presence of water.

Applications:

  • Rotary Sliding Vane and Screw Air Compressors: Ideal for oil-flooded or oil-injected single or two-stage compressors operating at pressures exceeding 25 bar and discharge temperatures over 100°C.
  • Severe Service Conditions: Suitable for environments with exceptionally high ambient temperatures or humidity.
  • Bearing and Circulating Oil: Appropriate for applications requiring a synthetic bearing and circulating oil or R&O oil (ISO VG 32-68), offering increased resistance to deposit formation and improved low-temperature fluidity.

Specifications:

  • Viscosity: ISO VG 68
  • Kinematic Viscosity at 40°C: 68 mm²/s
  • Kinematic Viscosity at 100°C: 10.2 mm²/s
  • Viscosity Index: 135
  • Density at 15°C: 848 kg/m³
  • Flash Point (COC): 248°C
  • Pour Point: -48°C
  • Air Release: 4 minutes
  • Water Separation: 10 minutes at 54°C

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