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Mandatory properties for steam & gas turbine oil

Updated: Feb 24, 2022

1. Steam 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:

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