Shell Refrigeration Oil S4 FR-F 46 is a premium synthetic polyol ester (POE) lubricant formulated for use with HFC refrigerants, offering reliable wear protection and long service life in refrigeration compressors.
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Shell Refrigeration Oil S4 FR-F 46

Old product name: Shell Clavus Oil R

Shell Refrigeration Oil S4 FR-F 46 is a premium synthetic polyol ester (POE) lubricant formulated for use with HFC refrigerants, offering reliable wear protection and long service life in refrigeration compressors.

Category:

Shell Refrigeration Oil S4 FR-F 46

( Previously named: Shell Clavus Oil R )

Synthetic POE-based lubricant for HFC refrigeration compressor systems

  • Developed for use with HFC refrigerants including R134a

  • Excellent thermal and oxidation stability for extended maintenance intervals

  • Provides enhanced wear protection for pistons and bearings in reciprocating compressors

  • Suitable for rotary and reciprocating compressors in domestic, commercial, and industrial refrigeration systems

  • Fully miscible with HFC refrigerants over the full temperature range

  • Compatible with standard sealing materials used in HFC systems

  • Formerly known as Shell Clavus Oil R

Global Product Code: 001D8395



Application:

Shell Refrigeration Oil S4 FR-F 46 is an advanced synthetic compressor lubricant based on polyol ester (POE) technology. Designed specifically for compatibility with R134a and other HFC refrigerants, it is suitable for open, semi-hermetic, and hermetic refrigeration compressors in industrial, commercial, and domestic systems. This product was formerly marketed as Shell Clavus Oil R.

Performance Features & Benefits:

  • Long Oil Life: Excellent oxidation and thermal stability support long service intervals, even under high compressor discharge temperatures.
  • Wear Protection: Minimizes wear in bearings and pistons, enhancing compressor reliability.
  • Full Refrigerant Compatibility: Fully miscible with R134a and other HFC refrigerants across the entire range of refrigeration operating temperatures.

Main Application Areas:

  • Refrigeration compressors: open, semi-open, and hermetic
  • Rotary and reciprocating compressor systems
  • Commercial, industrial, and domestic HFC refrigeration systems

Specifications & Approvals:

  • DIN 51503 KD

Environmental & Safety Information:

  • Use impervious gloves and avoid prolonged or repeated skin contact with used oil.
  • After contact with skin, wash immediately with soap and water.
  • Do not release into drains, soil, or water; dispose of used oil at authorized collection points.
  • Safety Data Sheet (SDS) available via inquiry

Technical Specifications:

Property Typical Value Method
ISO Viscosity Grade 46 ISO 3448
Refrigerator Oil Group KD DIN 51503
Kinematic Viscosity @ 40 °C 42 mm²/s ISO 3104
Kinematic Viscosity @ 100 °C 6.2 mm²/s ISO 3104
Density @ 15 °C 973 kg/m³ ISO 12185
Flash Point (COC) 230 °C ISO 2592
Pour Point -48 °C ISO 3016
Neutralisation Number (TAN) 0.06 mg KOH/g ASTM D664
Floc Point with R134a -30 °C DIN 51351
Refrigerant Stability @ 250 °C 96 °C DIN 51393
Miscibility Miscible over the full range of typical refrigeration temperatures —

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