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Simmons Synthetics
Gas Compressor Oils
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ALGP Series Synthetic Blend Natural Gas Compressor Oils

ALGP Series Compressor Oils are synthetic blends formulated from highly refined hydrogenated paraffinic petroleum and high temperature synthetic base stocks. The addition of SYNTHOLATE inhibits the formation of varnish and carbon and provides superior thermal and oxidative stability. Utilizing the superior base stocks fortified with SYNTHOLATE extends the life of ALGP Series compressor oils compared to that of conventional mineral oils.

Benefits

  • Reduces lubricant consumption - Extended drain intervals and lower vapor pressures reduce lubricant consumption.
  • Reduces maintenance - SYNTHOLATE reduces carbon and varnish formation thus extending the time interval between overhauls.
  • Excellent lubricity - Provides improved wear protection for bearings and other moving parts.
  • Good compatibility - The base stocks and special additive package provide excellent compatibility with system components and inhibit against hydrogen sulfide corrosion.
  • Improves safety - Higher flash points provide a greater margin of safety inspection results.

Physical Properties

 

Products

ALGP-32

ALGP-68

ALGP-100

ALGP-150

ISO Grade

32

68

100

150

Viscosity

@ 40°C, cSt

@ 100°C, cSt

@ 100°F, SUS

@ 210°F, SUS

-

32

5.4

165

44

-

67

10

343

61

-

95

13.1

488

72

-

150

18.6

774

95

Viscosity Index

103

137

136

140

Specific Gravity

0.878

0.870

0.872

0.876

Density

@ 60°F, g/mL

@ 185°F, g/mL

0.869

0.824

0.868

0.824

0.871

0.827

0.875

0.831

Pour Point, °F (°C)

-27(-33)

-27(-33)

-25(-32)

-25(-32)

Flash Point, °F (°C)

440(227)

470(243)

440(227)

435(224)

Four Ball Wear Test, mm

0.60

0.51

0.72

0.58

Thermal Characteristics:

  Specific Heat            Thermal Conductivity                   
BTU/lbm - °F BTU/hr - ft2 and °F/inch
140°F = 0.476 0°F = 0.94
160°F = 0.485 200°F = 0.88
180°F = 0.494 400°F = 0.83