This standard specifies the quality criteria of mineral turbine oils used for lubrication and speed regulation of turbine, water turbine and gas turbine systems in power plants.
This standard is applicable to the quality supervision of mineral turbine oils used for lubrication and speed regulation of turbine, water turbine and gas turbine systems in power plants. It may also be referred to for the quality criteria of mineral turbine oils used for phase modifiers, water pumps and other power plant equipment.
This standard is not applicable to all kinds of synthetic liquid used for lubrication and speed regulation of turbine.
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB/T 264 Petroleum products—Determination of acid number
GB/T 265 Petroleum products—Determination of kinematic viscosity and calculation of dynamic viscosity
GB/T 3141 Industrial liquid lubricants—ISO viscosity classification
GB/T 3536 Petroleum products—Determination of flash and fire points—Cleveland open cup method
GB/T 6540 Petroleum products—Determination of colour
GB/T 7600 Determination of water content in transformer oils in service by coulometric method
GB/T 7602 Determination of T501 oxidation inhibitor content in transformer and turbine oils in service by spectrophotometric method
GB/T 7605 Determination of clemulsibility characteristics of turbine oils in service
GB 11120 Lubricating oils for turbines
GB/T 11143 Standard test method for rust-preventing characteristics of inhibited mineral oil in the presence of water
GB/T 12579 Determination of foaming characteristics of lubricating oils
GB/T 14541 Guide for maintenance and supervision of in-service mineral turbine oil used for power plants
DL/T 429.1 Determination of transparency of electric power oils
DL/T 432 Determination of particulate contamination in oil
SH/T 0308 Determination method for air release value of lubricating oil
SH/T 0193 Lubricating oils—Determination of oxidation stability—Rotating pressure vessel method
SAE AS4059F Aerospace fluid power—Contamination classification for hydraulic fluid
ASTM D6971 Standard test method for measurement of hindered phenolic and aromatic amine antioxidant content in non-zinc turbine oils by linear sweep voltammetry
3 Technical requirements
3.1 The acceptance of new turbine oils shall be carried out in accordance with GB 11120.
