GB/T 12578-1990
ActiveLubricating oils--Determination of flow ability--U-tube method
润滑油流动性测定法 (U 形管法)
Application Summary AI generated
This standard specifies a U-tube method for determining the flow ability of lubricating oils at low temperatures. It is applied in the petroleum industry for quality control and testing of lubricating oils, particularly to assess their pumpability and performance in cold environments. The method is relevant for manufacturers, laboratories, and users evaluating oils for engines, machinery, or equipment operating under low-temperature conditions.
Related Standards
GB/T 7631.2-2003
Lubricants，industrial oils and related products(class L)--Classification--Part 2: Family H(Hydraulic systems)
GB/T 7631.17-2003
Lubricants，industrial oils and related products(class L)--Classification--Part 17:Family E(Internal combustion engine oils)
GB/T 12579-2002
Determination of foaming characteristics of lubricating oils
GB/T 2433-2001
Petroleum products--Lubricatingoils and additives--Determination of sulphated ash
GB/T 7631.16-1999
Lubricants and related products(class L)--Classification--Part 16:Family P (Pneumatic tools)
GB/T 12583-1998
Standard test method for measurement of extreme-pressure properties of lubricating fluids(four-ball method)
GB/T 7631.15-1998
Lubricants and related products(class L)--Classification--Part 15:Family N (Insulating liquids)
GB/T 7631.14-1998
Lubricants and related products(class L)--Classification--Part 14:Family U (Heat treatment)
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