Advanced Synthetic Refrigerator Compressor Lubricant. Shell Refrigeration Oil S4 FR-V is a synthetic refrigeration lubricant based on alkylated benzenes. It offers a universal solution to the lubrication requirements of most refrigeration compressors and is compatible with all commonly used refrigerants with the exception of HFCs.
Applications
Refrigerator compressorsShell Refrigeration Oil S4 FR-V is recommended for use in open, semi-open and hermetic compressors in domestic, commercial and industrial refrigeration systems. It can be used in both rotary and reciprocating compressor types. Because of its solvency power and compatibility with mineral oils it can be used as a flushing fluid in turbine circuits. For more information contact your local Shell representative.
Performance & benefits
System efficiencyShell Refrigeration Oil S4 FR-V has high solvency and is designed to maintain refrigerant cleanliness and efficiency.
Extended maintenance intervalsShell Refrigeration Oil S4 FR-V has excellent high temperature and oxidation stability providing long service life even where high compressor discharge temperatures are found. In addition it is formulated to provide excellent control of deposit and sludge formation resulting in extended oil drain intervals in comparison with mineral oil based refrigerator oils.
Shell Refrigeration Oil S4 FR-V meets the requirements of DIN 51503 KAA and KC
Refrigerant compatibility Shell Refrigeration Oil S4 FR-V is designed for use with most commonly occurring refrigerants: Ammonia (R717) systems where it offers excellent performance, even under high compressor discharge temperatures or down to evaporation temperatures of -33 0 C or lower. Carbon dioxide (R744) systems. CFC and HCFC systems (R12 and R22). Hydrocarbon systems such as propane (R290)
Seal compatibility Shell Refrigeration Oil S4 FR-V is compatible with all commonly used sealing materials used with mineral oils
Lubricant compatibility Shell Refrigeration Oil S4 FR-V is completely miscible with mineral oil, other alkylated benzene and PAO based lubricants
Standards & approvals
Refrigerant compatibility
Seal compatibility
Lubricant compatibility
Typical characteristics
Property
Typical value
Method
ISO viscosity grade
68
ISO 3448
Refrigerator Oil Group
KAA, KC
DIN 51503
Kinematic viscosity @40°Cmm2/s
68
ISO 3104
Kinematic viscosity @100°Cmm2/s
6.2
ISO 3104
Density @15°Ckg/m3
871
ISO 12185
Flash point (COC)°C
190
ASTM D92
Pour point°C
-39
ASTM D97
Neutralisation numbermg KOH/g
(TAN) 0.04
ASTM D664 maximum
Characteristics when used with R12 - Floc-point°C maximum
-30
DIN 51351
Characteristics when used with R12 - Refrigerant Stability @250°Cminimum
96
DIN 51393
Characteristics when used with R22 - Floc-point°C maximum
-30
DIN 51351
Characteristics when used with R22 - Refrigerant Stability @250°Cminimum
96
DIN 51393
Miscibility
Miscible over the whole
Characteristics when used with R290 - Floc-point°C maximum
-30
DIN 51351
Characteristics when used with R290 - Refrigerant Stability @250°Cminimum
96
DIN 51393
Complete documentation
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