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Gibraltar A-105

 

Gibraltar A-105 Compressor Oil is a high-quality petroleum lubricant formulated with solvent-refined, mid-continent paraffin base stocks and an additive package designed specifically for use in reciprocating compressors subjected to sour, wet, high-pressure gases found in chemical and fertilizer plants, gas-gathering services, and refineries.

QUALITIES:

  • Gibraltar A-105 Compressor Oil was intentionally made a multi-grade oil having cold-weather flow characteristics of a SAE 2OW oil but still having the same viscosity as a SAE 6OW oil would have at 300°F. This is the highest viscosity of well-refined petroleum oils without adding ''bright stock'' which is known to produce carbon deposits.
  • Compressor cylinder lubrication is a once-through application. This oil is heavily fortified with a combination of additives to cover a wide range of protection and is designed to be the sacrificial component for protection of the metal parts in sour gas applications.

ADDITIVE SELECTION:

The water-displacing, metal-wetting, anti-corrosion, anti-foam, anti-emulsion, and viscosity index improver additives are chemically stable and compatible with the base stock. The function of the various additives will:
  • Combat corrosive attacks by hydrogen sulfide, wet carbon dioxide, and other sour-gas components.
  • Resist washing of entrained water by using an organic metal-wetting and water-displacing additive (no lard oil).
  • Promote rapid glazing of metal surfaces, even with abrasive scratching.
  • Allow quick release of entrained gases by an anti-foam additive.
  • Resist catalyst poisoning effect generally associated with compounded oils.
  • Eliminate sluging and deposit formation on compressor discharge valves, piping, and aftercooler tubing.
  • Permit easy separation of oil from gas stream.
  • Provide a high-viscosity index oil for better viscosity at the extremes of cold and hot temperatures.

VISCOSITY CHARACTERISTICS:

The multi-viscosity feature will:

  • Provide a thick oil film between sliding metal parts.
  • Resist the dilution effects of liquid hydrocarbons.
  • Counteract reduction of viscosity due to gas absorption at high pressures.
  • Provide an oil of sufficient body at high operating temperatures.
  • Allow a flat viscosity curve for maximum body at high temperatures as well as best flowability in cold weather.
  • Provide low temperature pumpability in winter operations.

APPLICATION:

Gibraltar A-105 Compressor Oil is a superior lubricant which has proven to be most effective in high-pressure C0² and H²S services, urea fertilizer compression, high-pressure syn-gas compression, refinery tail-gas compression, wellhead gas compression, and high-temperature S0² services.

AVAILABILITY:

  • 55-gallon drums - F.O.B. warehouse
  • Bulk quantities - F.O.B. blending plant
Please contact us for the physical properties of this product and other necessary technical information.
 

Problem areas!

Do you have problems in these areas?

  • Pressure breaker ring failures in packing
  • "Soft pump" lubricator problems
  • Leaking compressor cylinder check valves
  • “Hour glass” shaped liner failures on forged steel cylinders
  • Piston wear ban failure problems
  • Piston and packing rings having uneven wear patterns
  • Packing and cylinder lubrication feed rates
  • Piston and packing ring metallurgy
  • Ring material temperature and pressure limitations

GLS logo can help you solve these problems!

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