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Steam Turbine High Pressure Fluid System Upgrade Products

Compare Hydraulic Fluids

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Description

The biggest single problem with the hydraulic fluid system is Contamination.

Biological Issues

Phosphate Ester Fluids are extremely difficult to handle,
and can at any time contribute to the following..

  • Skin and Eye irritation
  • Respiratory Problems
  • Nerve Damage if inhaled
  • Disposal Difficulty
  • Marine Pollution ( heavier than water )
  • Reacts poorly with insulation and seal material
COMPARE Hydraulic Oil Phosphate Ester Polyol Ester Polyalkylene Glycol (PAG) Bio-Syn EHC
ISO Grade 46 46 46 46 42
Viscosity Index 110 25 215 185 > 215
Specific Gravity < 1.0 1.15 < 1.0 0.99 0.92
Flash Point ( ° F ) 238 > 450 527 525 > 550
Fire Point ( ° F ) > 400 > 660 617 580 > 650
Factory Mutual SFP Approved No Yes Yes Yes Yes
Pump Wear ASTM 2882 25mg loss 20mg loss < 5mg loss < 10mg loss < 4mg loss
Toxicity No Yes No No No
Biodegradable No No Yes Yes Yes
Resistivity (G-ohm-cm) Unknown 18 35 6 55
Elastometer Compatibility All Viton,Teflon, Fluorosilicone Viton,Teflon, Fluorosilicone All All

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