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Ariel JGQ User Manual

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FOR MODELS: JGI, JGM, JGN, JGP AND JGQ SECTION 4 LUBRICATION
PAGE 4-4 9/08
Higher wax content
Viscosity Index, greater than 90
Pour point around 25°F (-4°C)
This is the most common mineral oil base stock.
NAPTHENIC OILS
Solvent refined or hydro-treated
South Louisiana crude
Lower Wax content
Viscosity Index, less than 80
Lower pour point than paraffinic oils
Better additive solvency
Synthetic Lubricants
Synthetic lubricants are man-made materials with more consistent, controlled chemical
structures than petroleum lubricants. This improves predictability of viscosity and thermal
stability that results in much higher viscosity indexes than mineral oils. Additives can be
used to modify all the common lubrication characteristics to meet or exceed the perfor-
mance of mineral oils. There are three major types of synthetic fluids used for lubrication.
They are commonly referred to as PAO, Diester, and PAG.
NOTE: Most synthetic lubricants with the proper viscosity are acceptable for use in
the compressor frame. Check with your lubricant supplier or Ariel before
using ANY lubricant, if you have any questions about the applicability of the
lubricant in the frame.
POLYALPHAOLEFINS (PAO) - SYNTHESIZED HYDROCARBONS
Compatible with mineral oils
Most of the same properties as mineral oils
Requires additives to improve detergent action and improve seal compatibility
Soluble in hydrocarbon gases
High viscosity index, approximately 150
Low pour point
High flash point
ORGANIC ESTERS - DIESTERS AND POLYOLESTERS
Compatible with mineral oils, PAO and PAG oils
Incompatible with some rubbers (O-rings), plastics, and paints; compatible with Viton
Primarily used in air compressors
Leaves a soft carbon deposit when oxidized
Breaks down in water
Higher flash point than mineral oils
Can be made only to a viscosity of approximately (85-90 cSt at 40°C)
Higher viscosity achieved with additives or blending with heavier oils
Low viscosity index, approximately 70

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Ariel JGQ Specifications

General IconGeneral
BrandAriel
ModelJGQ
CategoryAir Compressor
LanguageEnglish

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