GB/T 28285-2025 English PDF

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GB/T 28285-2025: Terminology for oxygen system of airplane
Status: Valid

GB/T 28285: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 28285-2025	689	Add to Cart	5 days	Terminology for oxygen system of airplane	Valid
GB/T 28285-2012	649	Add to Cart	5 days	Terminology for oxygen system of airplane	Valid

Similar standards

GB/T 45847   GB/T 45739   GB/T 28285   

Basic data

Standard ID: GB/T 28285-2025 (GB/T28285-2025)
Description (Translated English): Terminology for oxygen system of airplane
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: V44
Classification of International Standard: 49.090
Word Count Estimation: 34,364
Date of Issue: 2025-08-01
Date of Implementation: 2026-02-01
Older Standard (superseded by this standard): GB/T 28285-2012
Issuing agency(ies): State Administration for Market Regulation, Standardization Administration of China

GB/T 28285-2025: Terminology for oxygen system of airplane

---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GBT28285-2025
ICS 49.090 CCSV44 National Standard of the People's Republic of China Replaces GB/T 28285-2012 Aircraft Oxygen System Terminology Released on August 1, 2025 Implementation on February 1, 2026 State Administration for Market Regulation The National Standardization Administration issued

Table of Contents

Preface III 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 3.1 System Terminology 1 3.2 Equipment Terminology 3 3.3 Professional Terminology 11 3.4 Test terminology 16 Index 18 Preface This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1.Structure and drafting rules for standardization documents" Drafting. This document replaces GB/T 28285-2012 "Aircraft Oxygen System Terminology". Compared with GB/T 28285-2012, except for the structural adjustment and In addition to editorial changes, the main technical changes are as follows. --- Deleted the synonymous terms "oxygen candle" (see 2.1.11 of the.2012 edition), "pressurized mask" (see 2.2.49 of the.2012 edition), "full face mask" (see 2.2.60 of the.2012 edition), "oxygen candle" (see 2.1.11 of the.2012 edition), "pressurized mask" (see 2.2.49 of the.2012 edition), "Type breathing mask" (see 2.2.52 of the.2012 edition), "protective helmet" (see 2.2.59 of the.2012 edition), "partial pressure suit" (see 2012 edition), “Pressure vests” (see.2012 edition, 2.2.61), and “Physiological evaluation of oxygen equipment” (see.2012 edition, 2.2.64). 2.4.2 of the.2012 edition), deleted the repeated terms "portable oxygen system, portable oxygen supply device" (see 2.1.21 of the.2012 edition), "Chemical oxygen supply" (see 2.2.37 of the.2012 edition), "closed pressure helmet" (see 2.2.57 of the.2012 edition) and "open pressure Helmets” (see 2.2.58 of the.2012 edition); --- Changed the term name, changed "finished product and component terms" to "equipment terms" (see 3.2, 2.2 of the.2012 edition), "test and "Equipment term" is changed to "Test term" (see 3.4,.2012 edition 2.4), "parachute oxygen subsystem" is changed to "parachute oxygen system "oxygen filling valve" is changed to "oxygen filling connector" (see 3.2.3,.2012 edition). 2.2.3), "oxygen disconnect, personal equipment disconnect" is changed to "oxygen disconnect" (see 3.2.32, 2.2.31 of the.2012 edition) and "Personal equipment connection plate" (see 3.2.33,.2012 edition 2.2.31), "oxygen supply socket" changed to "oxygen use socket" (see 3.2.46,.2012 edition 2.2.43), "pressurized helmet, closed oxygen supply helmet" changed to "closed helmet" (see 3.2.60,.2012 edition 2.2.56 of the.2012 edition), "small residual pressure exhalation valve" is changed to "safety residual pressure exhalation valve" (see 3.2.77 of the.2012 edition) 2.2.75), "pressurized helmet tensioning mechanism" is changed to "enclosed pressurized helmet tensioning mechanism" (see 3.2.81,.2012 edition) 2.2.79); --- Added "Crew oxygen system" (see 3.1.26), "Passenger oxygen system, crew oxygen system" (see 3.1.27), "Portable oxygen system" Equipment” (see 3.1.28), “oxygen distribution system” (see 3.1.29), “electronic oxygen supply anti-load regulator” (see 3.2.17), “gas source treatment device” (see 3.2.39), “flushing device” (see 3.2.43), “smoke mask” (see 3.2.56), “external oxygen indicator” (see 3.2.84), "oxygen distribution device" (see 3.2.85), "emergency oxygen unit" (see 3.2.86), "altitude pressure switch" (see 3.2.87), "high "Degree selection switch" (see 3.2.88), "smoke goggles" (see 3.2.89), "closed loop control" (see 3.3.4), "pure oxygen" (see 3.3.51), "Mixed oxygen" (see 3.3.52), "Minimum oxygen supply" (see 3.3.53), "Pulse oxygen supply" (see 3.3.54), "Centralized Terms and definitions for "oxygen supply" (see 3.3.55) and "decentralized oxygen supply" (see 3.3.56); --- Changed the "aircraft oxygen system" (see 3.1.2), "oxygen source" (see 3.1.7), "full pressure suit" (see 3.2.62), "bladder high altitude compensation" Definitions of the terms “oxygen administration” (see 3.2.65) and “pressurized oxygen” (see 3.3.7). Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents. This document was proposed and coordinated by the National Technical Committee for Standardization of Aircraft (SAC/TC435). This document was drafted by. Hefei Jianghang Aircraft Equipment Co., Ltd., Xi'an Aircraft Design and Research Institute of China Aviation Industry Corporation, Shenyang Aircraft Industry (Group) Co., Ltd., China Aviation Technology Research Institute, AVIC General Aviation South China Aircraft Industry Co., Ltd., Chengdu Aircraft Industry (Group) Co., Ltd., Shaanxi Aircraft Industry Co., Ltd. The main drafters of this document are. Liu Wenbiao, Fang Ling, Yang Bao, Wang Bing, He Wang, Li Xiaofeng, Wu Houtian, Pan Xin, Ren Xiujun, Hou Lihua, Li Sheng, Xia Yan, Wei Weidong, Cui Huabao, Ren Haitao, Tian Hong, Dai Ying, Wan Dabo, Li Weihan, He Zhiying, and Liu Jinwu. This document was first published in.2012 and this is the first revision. Aircraft Oxygen System Terminology 1 Scope This document defines common terms and definitions for aircraft oxygen systems. This document applies to the design, manufacture, testing, use, maintenance, teaching and management of aircraft oxygen systems. 2 Normative references This document has no normative references. 3 Terms and Definitions 3.1 System Terminology 3.1.1 Oxygen equipment oxygenquipment Provides oxygen and protection for personnel on board, during parachuting, landing, or entering the water to prevent harm from hypoxia, low air pressure effects, and positive vertical overload. A general term for various systems, devices, and accessories that may cause harm to personnel. 3.1.2 A protection system used to prevent harm to personnel caused by high-altitude hypoxia, low pressure effects, positive vertical overload, smoke, harmful substances, etc. Note. The aircraft oxygen system mainly includes three parts. oxygen source system, oxygen supply system, and oxygen supply personal protective equipment. 3.1.3 gasoxygensystem Oxygen system using a gaseous oxygen source. 3.1.4 Liquid oxygen systemliquidoxygensystem Oxygen system using liquid oxygen source. 3.1.5 Oxygen system using molecular sieve onboard oxygen source. 3.1.6 Oxygen source system oxygen source system A device that produces or stores oxygen and provides it to the oxygen supply system at a certain pressure, flow rate, and concentration. Note. Oxygen source systems are generally divided into gaseous oxygen source, liquid oxygen source and airborne oxygen source. 3.1.7 gasoxygensource A device for storing oxygen. Note. The oxygen source is divided into low-pressure oxygen source with a maximum working pressure of less than 2.9 MPa, high-pressure oxygen source with a maximum working pressure of 2.9 MPa~14.7 MPa and high-pressure oxygen source with a maximum working pressure of The working pressure is an ultra-high pressure oxygen source of more than 14.7 MPa. The oxygen source generally consists of a container for storing oxygen (oxygen cylinder), an oxygen filling nozzle, a connecting tube, a one-way It consists of a valve, oxygen switch, oxygen pressure gauge and safety valve. ......

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