GB/T 39095-2020 English PDF

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GB/T 39095-2020: Aerospace - Hydraulic fluid components - Expression of particulate contamination levels
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 39095-2020	184	Add to Cart	3 days	Aerospace - Hydraulic fluid components - Expression of particulate contamination levels	Valid

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Basic data

Standard ID: GB/T 39095-2020 (GB/T39095-2020)
Description (Translated English): Aerospace - Hydraulic fluid components - Expression of particulate contamination levels
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: V39
Classification of International Standard: 49.080
Word Count Estimation: 10,147
Date of Issue: 2020-09-29
Date of Implementation: 2021-04-01
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 39095-2020: Aerospace - Hydraulic fluid components - Expression of particulate contamination levels

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Aerospace - Hydraulic fluid components - Expression of particulate contamintion levels ICS 49.080 V39 National Standards of People's Republic of China Aerospace hydraulic fluid parts Expression of particle pollution degree (ISO 12584.2013, IDT) 2020-09-29 released Implementation on 2021-04-01 State Administration for Market Regulation Issued by the National Standardization Management Committee

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. The translation method used in this standard is equivalent to ISO 12584.2013 "Particle Pollution Degree of Aerospace Hydraulic Fluid Parts The expression of ". The Chinese documents that have a consistent correspondence with the international documents cited in this standard are as follows. ---GB/T 18854-2015 Hydraulic fluid automatic particle counter calibration (ISO 11171.2010, MOD) ---GB/T 20110-2006 The cleanliness of hydraulic transmission parts and components is related to the collection, analysis and data reporting of pollutants Inspection documents and guidelines (ISO 18413.2002, IDT) This standard was proposed and managed by the National Aircraft Standardization Technical Committee (SAC/TC435). Drafting organizations of this standard. Shanghai Mingxing Kaicheng Ultrasonic Technology Co., Ltd., Shanghai Suying Clean Technology Development Co., Ltd., Air China Institute of Comprehensive Technology, China Aero Engine Research Institute, China Aerospace Science and Industry Corporation Shanghai Pudong Development Center, China Aerospace Science and Technology Corporation have Co., Ltd. Eighth Research Institute 806 Research Institute, National Defense Science and Technology Industry Particle Measurement Station, China Aviation Development Shenyang Engine Research Institute, China Aviation Development Shenyang Liming Aviation Engine Co., Ltd., China Aviation Development Xi’an Aviation Engine Co., Ltd., China Aviation Development Guizhou Liyang Airlines Aerodynamics Co., Ltd., China Aviation Development South Industries Co., Ltd., Aviation Industry Changhe Aircraft Industry (Group) Co., Ltd., Shanghai Communications University, Nanchang Hangkong University. The main drafters of this standard. Zhong Jiancheng, Liu Bo, Lian Fengqi, Xu Qunhui, Xu Pengguo, Han Song, Zhai Wenrong, Liu Yunfeng, Li Ping, Jin Tao, Shi Jundong, Ma Yanling, Yang Zhuoyong, Fan Guofu, Ye Bo, Li Zhiyong, Zhang Zhinan, Yan Qingsong. Aerospace hydraulic fluid parts Expression of particle pollution degree

1 Scope

This standard specifies the expression and reporting method for the cleanliness or particle contamination level of aerospace fluid system components. This standard also specifies a code system that allows when expressing particle contamination level measurement results or detailing cleanliness requirements Characterize cleanliness data in a short or complete manner.

2 Normative references

The following documents are indispensable for the application of this document. For dated reference documents, only the dated version applies to this article Pieces. For undated references, the latest version (including all amendments) applies to this document. ISO 11171 hydraulic fluid power-calibration of automatic particle counting counter (Hydraulicfluidpower-Calibrationof automaticparticleforliquids) ISO 18413 Inspection documents and criteria related to cleanliness of hydraulic transmission components and extraction, analysis and data reporting of pollutants (Hydraulicfluidpower-Cleanlinessofcomponents-Inspectiondocumentandprinciplesrelatedto contaminantextractionandanalysis, anddatareporting)

3 Terms and definitions

The following terms and definitions apply to this document. 3.1 Component Including a part, a component, or a larger component assembled from several components used in an aerospace fluid system. 3.2 Component cleanliness The status of parts and components characterized by particle pollution level. 3.3 Component cleanliness code componentcleanlinesscode CCC Letters and numbers that indicate the cleanliness level of measured parts or fluid circuits. 3.4 Particulatecontamination All bad particles on the inner and outer surfaces of the parts. 3.5 Wettedsurfaces AC The surface of the component in contact with the system fluid. Example. hydraulic gear pump (see Figure 1). ......

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