Standard No.:	GB/T 33540.4-2017
English Name:	Lubricants for wind turbine—Part 4:Hydraulic oils
Chinese Name:	风力发电机组专用润滑剂 第4部分：液压油
Chinese Classification:	E40    Synthetic grease
Professional Classification:	GB    National Standard
Issued by:	AQSIQ,SAC
Issued on:	2017-03-09
Implemented on:	2017-10-1
Status:	valid
Language:	English
File Format:	PDF
Word Count:	5000 words
Price(USD):	80.0
Delivery:	via email in 1 business day

1 Scope This part of GB/T 33540 specifies the product variety and designation, requirements and test methods, inspection rules and marking, packaging, transportation and storage of hydraulic oils for wind turbine. This standard is applicable to the hydraulic oils for hydraulic system of wind turbine such as brake system, transmission system and variable pitch system. 2 Normative References The following documents for the application of this document are essential. Any dated reference, just dated edition applies to this document. For undated references, the latest edition (including any amendments) applies to this document. GB/T 260 Determination of Water Content in Petroleum Products GB/T 265 Petroleum Products - Determination of Kinematic Viscosity and Calculation of Dynamic Viscosity GB/T 1884 Crude Petroleum and Liquid Petroleum Products - Laboratory Determination of Density - Hydrometer Method GB/T 1885 Petroleum Measurement Tables GB/T 1995 Petroleum Products - Calculation of Viscosity Index GB/T 2433 Petroleum Products - Lubricating Oils and Additives - Determination of Sulphated Ash GB/T 2541 Petroleum Products; Computation Table for Viscosity Indices GB/T 3141 Industrial Liquid Lubricants - ISO Viscosity Classification GB/T 3535 Petroleum Products - Determination of Pour Point GB/T 3536 Petroleum Products - Determination of Flash and Fire points - Cleveland Open Cup Method

Foreword I 1 Scope 2 Normative References 3 Product Variety and Designation 4 Requirements and Test Methods 5 Inspection Rules 6 Marking, Packaging, Transportation and Storage

*GB/T 260-2016 Test method for water in petroleum products—Distillation method
*GB/T 265-1988 Petroleum Products - Determination of Kinematic Viscosity and Calculation of Dynamic Viscosity
*GB/T 1884-2000 Crude Petroleum and Liquid Petroleum Products - Laboratory Determination of Density - Hydrometer Method
*GB/T 1885-1998 Petroleum measurement tables
*GB/T 1995-1998 Petroleum products - Calculation of viscosity index
*GB/T 2433-2001 Petroleum products - Lubricating oils and additives - Determination of sulphated ash
*GB/T 2541-1981 Petroleum products;Computation table for viscosity indices
*GB/T 3141-1994 Industrial liquid lubricants－ISO viscosity classification
*GB/T 3535-2006 Petroleum products - Determination of pour point
*GB/T 3536-2008 Petroleum products - Determination of flash and fire points - Cleveland open cup method
*GB/T 4756-2015 Method for manual sampling of petroleum liquids
*GB/T 4945-2002 STANDARD test method for acid and base number of petroleum products and lubricants by--Colour-indicator titration
*GB/T 5096-2017 Test method for corrosiveness to copper from petroleum products by copper strip test
*GB/T 6540-1986 Petroleum products; Determination of colour
*GB/T 7304-2014 Standard Test Method for Acid Number of Petroleum Products by Potentiometric Titration
*GB/T 7305-2003 Standard test method for water separability of petroleum oils and synthetic fluids
*GB/T 11143-2008 Standard test method for rust-preventing characteristics of inhibited mineral oil in the presence of water
*GB/T 12579-2002 Determination of foaming characteristics of lubricating oils
*GB/T 12581-2006 Standard test method for oxidation characteristics of inhibited mineral oils
*GB/T 14039-2002 Hydraulic fluid power--Fluids--Method for coding the level of contamination by solid particles
*GB/T 14832-2008 Test methods for compatibility between hydraulic fluids and standard elastomeric materials
*DL/T 432-2007 Determination of particulate contamination in oil
*NB/SH/T 0306-2013 Assessment for Bearing Capacity of Lubricating Oil - Fzg Visual Observation
*NB/SH/T 0870-2013 Determination of Dynamic Viscosity and Density of Petroleum Products as well as Calculation of Kinematic Viscosity - Stabinger Viscometer
*SH/T 0103-2007 Standard test method for shear stability of polymer containing fluids using a european diesel injector apparatus
*SH 0164-1992
*SH/T 0209-1992 Determination of Thermal Stability of Hydraulic Oil
*SH/T 0210-1992 Hydraulic Oil Filterability Test Method
*SH/T 0301-1993 Determination method for hydrolytic stability of hydraulic liquid (glass bottle method )
*SH/T 0308-1992 Determination Method for Air Release Value of Lubricating oils
*SH/T 0565-2008 Standard test method for determination of the sludging and corrosion tendencies of inhibited mineral oils
*SH/T 0604-2000 Crude petroleum and petroleum products-Determination of density-Oscillating U-tube method
*SH/T 0787-2006 Standard test method for indicating wear characteristics of petroleum hydraulic fluids in a high pressure constant volume vane pump