Refrigerant compressor oils

Refrigeration compressors are equipment widely used in many different industries and applications, including food preservation, HVAC and other industrial cooling systems.

Introduction

Oils designed for refrigeration compressors must perform multiple tasks. These lubricants are trusted to reduce friction and prevent unwanted wear and tear on compressor components. Refrigerant compressor oils must also provide a robust seal between the low and high pressure sides of a system and be compatible with the materials used to manufacture the components.

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Properties of refrigerant compressor oils

Thermal stability: critical because the final compression temperatures inside refrigeration compressors can often reach extreme temperatures.
Chemical stability: fundamental property to avoid any possibility of an undesirable chemical reaction with the type of coolant in use.
Solubility: refrigerant and refrigerant compressor oil mixtures can be insoluble, soluble or partially soluble. To function properly, the mixture must have a high enough viscosity to ensure satisfactory lubrication and sealing within the compressor.

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Types of refrigerant compressor oils

Fully synthetic oils that ensure optimal performance of compressors using HFC refrigerants. One example is Suniso® SL lubricants.
Superior mineral compressor oils, ideal for refrigeration and air conditioning with CFC and HCFC refrigerants. Features respected by Suniso® GS lubricants”