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Castrol AIRCOL 229 RANGE

Castrol AIRCOL 229 RANGE

Product description

The Aircol 229 range of refrigeration oils are formulated from selected polyalphaolefin base stocks.

Features & Benefits:

The Aircol 229 range is designed to have low miscibility and solubility with R22. This characteristic gives significant advantages in screw type compressors where refrigerant absorption can adversely affect volumetric efficiency and reduce lubricant viscosity to unacceptably low levels.


They are specifically designed for use in refrigeration systems using screw type compressors combined with very low evaporator temperatures. They may also be specified for certain systems using reciprocating compressors with high compression ratios and discharge temperatures.

The very low pour points enable the Aircol 229 range to be used in systems where evaporator temperatures are extremely low.

However because of their low miscibility with R22 the Aircol 229 range oils are not suitable for use in refrigeration systems using flooded evaporators, unless efficient oil separators or some other method of oil recovery is provided.

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