Mandatory properties for steam & gas turbine oil
a) Good Demulsibility: Means the ability to release water, This is important when the equipment is operating in humid climates or in a plant atmosphere that is wet or humid.
b) Foam Suppression and Air Release: Foam is used whenever there is a possibility of liquid fire. The Foam will mix with water and then expand over the liquid that is on fire, cool the fire, and will finally suffocate it.
c) Anti-rust protection: Rustproofing is the prevention or delay of rusting.
d) Anti-wear protection (Certain Cases): Antiwear additives (AW additives) are lubricant components that chemically react with Oil to protect metal-to-metal contact between parts of gears.
2. Gas Turbine Oil
a) Anti – Corrosion Protection: Help protect the base oil from oxidation and the metal from damage by corrosive acids.
b) Anti – Scuff (Certain Cases): Anti-scuff additives are designed to react with the parent metal surfaces to provide protection under severe loads and high temperatures where the oxide layers and chemically adsorbed anti-wear films on metal surfaces are disrupted.
c) Thermal Stability: Thermal stability is the stability of a molecule at high temperatures; i.e. a molecule with more stability has more resistance to decomposition at high temperatures. Thermal stability also describes, as defined by Schmidt, the stability of a water body and its resistance to mixing.
d) Deposit Control:
Also Read: https://www.linkedin.com/pulse/common-properties-must-haves-turbine-oil-anshuman-agrawal-mlt-1-/
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