Standard No.:	GB/T 33540.4-2017
Chinese Name:	风力发电机组专用润滑剂 第4部分：液压油
English Name:	Lubricants for wind turbine—Part 4:Hydraulic oils
Professional Classification:	E40 Synthetic grease
ICS Classification:	75.120
Issued by:
Issued on:	2017-03-09
Implemented on:	2017-10-01
Status:	VALID
Language:	English
File Format:	PDF
Word Count:	6000 words
Price(USD):	180 (USD)
Delivery:	via email in 1-3 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