GB 2890-2022 英文版/外文版 呼吸防護 自吸過濾式防毒面具 GBT 2890-2022 英文版/外文版 GB/T 2890-2022 英文版/外文版 ? 前言 本文件按照GB/T1.1-2020《標準化工作導則第1部分:標準化文件的結(jié)構(gòu)和起草規(guī)則》的規(guī)定起草。 本文件代替GB2890-2009《呼吸防護自吸過濾式防毒面具》,與GB2890--2009相比,除結(jié)構(gòu)調(diào)整和編輯性改動外,主要技術(shù)變化如下: a)?更改了過濾件的定義、呼吸導管的名稱(見3.5、3.11，2009年版的3.5、3.10),增加了綜合過濾件的定義(見3.6); b)?更改了過濾件分類和標記(見4.3，2009年版的4.3); c)?更改了面罩一般要求,增加了測試方法(見5.1.1、6.2、6.23，2009年版的5.1.1); d)?更改了面罩可燃性要求(見5.1.3，2009年版的5.1.3) e)?將“面罩呼氣閥蓋”更改為“面罩呼氣閥保護裝置”，增加技術(shù)要求和測試方法(見5.1.4.1、6.5，2009年版的5.1.4.1); f)?刪除了全面罩呼氣閥氣密性技術(shù)要求及測試方法[見2009年版的5.1.4.2a)、6.5]; g)?更改了面罩泄漏率的技術(shù)要求及測試方法(見5.1.5、D.2，2009年版的5.1.5、6.6); h)?更改了面罩吸氣阻力的技術(shù)要求及測試方法,增加了面罩呼氣阻力的技術(shù)要求及測試方法,刪除了面罩呼氣閥阻力的技術(shù)要求和測試方法(見5.1.8、D.5，2009年版的5.1.8、6.9、6.10); i)?更改了面罩觀察眼窗的技術(shù)要求及測試方法(見5.1.9、6.11、6.12，2009年版的5.1.9、6.11); j)?增加了全面罩整體氣密性技術(shù)要求及測試方法(見5.1.12、6.15); k)將過濾件“外觀”更改為“一般要求”,增加了測試方法(見5.2.1、6.2、6.23，2009年版的5.2.1); l)?更改了過濾件通氣阻力的技術(shù)要求和測試方法(見5.2.3、E.2， 2009年版的5.2.3、7.5); m)?更改了過濾件致密性的要求(見5.2.4,2009年版的5.2.5); n)?刪除了過濾件排塵量的技術(shù)要求及測試方法(見2009年版的5.2.4.7.6); o)?刪除了過濾件強度的技術(shù)要求及測試方法(見2009年版的5.2.6、7.8); p)?將“綜合過濾件的濾煙性能”更改為“綜合過濾件顆粒物防護性能”,并修改技術(shù)要求和測試方法(見5.2.5、6.21，2009年版的5.2.7、7.9); q)?將“過濾件的標色及防護時間”更改為“過濾件標色"和“過濾件防護時間”,并修改過濾件標色和過濾件防護時間的技術(shù)要求和測試方法、刪除防護對象舉例(見5.2.6、5.2.7、表6、E.5，2009年版的5.2.8、表5、7.10); r)?更改了面罩呼吸導管測試樣品要求(見表A.1，2009年版6.14.1); s)?增加了實用性能技術(shù)要求和測試方法(見5.3、附錄F); t)?更改了面罩測試方法和過濾件測試方法為規(guī)范性附錄,增加預處理方法規(guī)范性附錄(見第6章、附錄B、附錄C、附錄D、附錄E，2009年版的第6章、第7章); u)?刪除了檢驗規(guī)則(見2009年版的第8章); v)?更改了標識的有關(guān)要求,并增加包裝要求(見第7章，2009年版的第9章)。 請注意本文件的某些內(nèi)容可能涉及專利。本文件的發(fā)布機構(gòu)不承擔識別專利的責任。 本文件由中華人民共和國應急管理部提出并歸口。 本文件所代替文件的歷次版本發(fā)布情況為: ——1982年首次發(fā)布為GB 2890- 1982 ; ——1995年第一次修訂為GB 2890- 1995; ——2009年第二次修訂時,并入了GB/T2891-1995《過濾式防毒面具面罩性能試驗方法》的內(nèi)容(GB/T 2891- 1995的歷次版本發(fā)布情況:GB 2891.1~6- 1982) .GB/T 2892- 1995《過濾式防毒面具濾毒罐性能試驗方法》的內(nèi)容(GB/T2892--1995的歷次版本發(fā)布情況: GB 2892.1~12- 1982); ——本次為第三次修訂。 呼吸防護自吸過濾式防毒面具 1?范圍 本文件規(guī)定了自吸過濾式防毒面具的分類及標記、技術(shù)要求、標識.包裝和制造商提供的信息,描述了試驗方法。 本文件適用于基于自吸過濾原理的防毒面具。 本文件不適用于缺氧環(huán)境、水下作業(yè)、逃生和消防熱區(qū)用自吸過濾式防毒面具。 2?規(guī)范性引用文件 下列文件中的內(nèi)容通過文中的規(guī)范性引用而構(gòu)成本文件必不可少的條款。其中，注日期的引用文件,僅該日期對應的版本適用于本文件;不注日期的引用文件,其最新版本(包括所有的修改單)適用于本文件。 GB/T 2428-1998?成年人 頭面部尺寸 GB 2626- 2019?呼吸防護自 吸過濾式防顆粒物呼吸器 GB/T 5703-2010 用于技術(shù)設計的人體測量基礎(chǔ)項目 GB/T10586-2006 濕熱試驗箱技術(shù)條件 GB/T 10589-2008 低溫試驗箱技術(shù)條件 GB/T 11158-2008 高溫試驗箱技術(shù)條件 GB/T 12903-2008?個體防 護裝備術(shù)語 GB/T 23465-2009 呼吸防護用品實用性能評價 GB 30864-2014 呼吸防護動力送風過濾式呼吸器 GB/T 32166.2- -2015?個體防護裝備 眼 面部防護職業(yè)眼 面部防護具第2部分:測量方法. 3?術(shù)語和定義 GB/T 12903- 2008 界定的以及下列術(shù)語和定義適用于本文件。 3.1 自吸過濾式防毒面具 non-powered air-purifying gas mask 靠佩戴人員自主呼吸克服部件阻力,防御有毒有害氣體或蒸氣、顆粒物(如毒煙、毒霧)等危害其呼吸系統(tǒng)或眼面部的凈氣式防護用品。 3.2 全面罩 full mask 與面部密合,能遮蓋住眼、面.鼻、口和下頜的面罩。 3.3 半面罩 half mask 與面部密合,能遮蓋口和鼻,或覆蓋口、鼻和下頜的面罩。 3.4 防護時間 protective time 在規(guī)定條件下,測試介質(zhì)從開始通入過濾件至測試介質(zhì)透過過濾件濃度達到限定值時的時間。 3.5 過濾件 gas filter 濾毒盒 cartridge 濾毒罐 canister 自吸過濾式防毒面具使用的,可濾除吸入空氣中有毒氣體和(或)蒸氣的過濾組件。 3.6 綜合過濾件 combined filters 可同時濾除吸入空氣中有毒氣體和(或)蒸氣及顆粒物的過濾組件。 注:防顆粒物組件可進行更換的綜合過濾件為組合式,防顆粒物組件不可進行更換的綜合過濾件為整體式。 3.7 吸氣閥 inhalation valve 只允許吸入氣體通過其進入面罩,防止呼出氣體通過它排出面罩的單向閥門。 3.8 呼氣閥 exhalation valve 只允許呼出氣體通過其排出面罩,防止吸入氣體通過它進入面罩的單向閥門。 3.9 面罩泄漏率 inward leakage; IL 在規(guī)定的條件下,受試者吸氣時泄漏入面罩內(nèi)的模擬劑濃度與吸入空氣中模擬劑濃度的比值。 3.10 死腔 dead space 從前一次呼氣中被重新吸入的氣體的體積。 注:用二氧化碳在吸入氣體中的體積分數(shù)表示。 3.11 呼吸導管breathing hose 用于連接面罩與過濾件的氣密性軟管。

Foreword

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This document is drafted in accordance with GB/T 1.1-2020?

Directives for standardization - Part 1: Rules for the structure and drafting of standardizing documents.

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This document replaces GB 2890-2009?

Respiratory protection - Non-powered air-purifying respirators

. In addition to structural adjustments and editorial changes, the following main technical changes have been made with respect to GB 2890-2009:

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a)?The definition of filter (as named in Edition 2009; renamed as gas filter hereof) and the name (Chinese name) of breathing hose are changed (see 3.5 and 3.11 hereof; 3.5 and 3.10 of Edition 2009), and the definition of combined filters is added (see 3.6 hereof);

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b)?The classification and labelling of gas filters are changed (see 4.3 hereof; 4.3 of Edition 2009);

c)?The general requirements for masks are changed and the corresponding test methods are added (see 5.1.1, 6.2 and 6.23 hereof; 5.1.1 of Edition 2009);

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d)?The flammability requirements for masks are changed (see 5.1.3 hereof; 5.1.3 of Edition 2009)

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e)?The "exhalation valve housing for mask" is replaced with the “exhalation valve protection device for mask" and the corresponding technical requirements and test methods are added (see 5.1.4.1 and 6.5 hereof; 5.1.4.1 of Edition 2009);

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f)?The technical requirements and test methods for airtightness of exhalation valves for full masks are deleted [see 5.1.4.2a) and 6.5 of Edition 2009];

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g)?The technical requirements and test methods for the inward leakage are changed (see 5.1.5 and D.2 hereof; 5.1.5 and 6.6 of Edition 2009);

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h)?The technical requirements and test methods for inhalation resistance of mask are changed, those for exhalation resistance of mask are added, and those for exhalation valve resistance of mask are deleted (see 5.1.8 and D.5 hereof; 5.1.8, 6.9 and 6.10 of Edition 2009);

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i)?The technical requirements and test methods for the observation visors for masks are changed (see 5.1.9, 6.11 and 6.12 hereof; 5.1.9 and 6.11 of Edition 2009);

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j)?The technical requirements and test methods for the overall airtightness of full masks are added (see 5.1.12 and 6.15?hereof);

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k)?The "appearance" of gas filters is changed to "general requirements" and the corresponding test methods are added (see 5.2.1, 6.2 and 6.23 hereof; 5.2.1 of Edition 2009);

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l)?The technical requirements and test methods for air penetration resistance of gas filters are changed (see 5.2.3 and E.2 hereof; 5.2.3 and 7.5 of Edition 2009);

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m)?The requirements for the compactness of gas filters are changed (see 5.2.4 hereof; 5.2.5 of Edition 2009);

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n)?The technical requirements and test methods for the dust extraction capacity of gas filters are deleted (see 5.2.4 and 7.6 of Edition 2009);

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o)?The technical requirements and test methods for the strength of gas filters are deleted (see 5.2.6 and 7.8 of Edition 2009);

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p)?The "smoke filtering performance of combined filters" is changed to “particulate protection performance of combined filters" and the corresponding technical requirements and test methods are modified (see 5.2.5 and 6.21 hereof; 5.2.7 and 7.9 of Edition 2009);

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q)?The "coloring and protective time of gas filters" is changed to "coloring of gas filters" and "protective time of gas filters”, the technical requirements and test methods for coloring of gas filters and protective time of gas filters are modified, and examples of protection objects are deleted (see 5.2.6, 5.2.7, Table 6 and E.5 hereof; 5.2.8, Table 5 and 7.10 of Edition 2009);

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r)?The requirements for testing samples of breathing hose are changed (see Table A.1 hereof; 6.14.1 of Edition 2009);

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s)?The technical requirements and test methods for practical performance are added (see 5.3 and Annex F hereof);

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t)?The test methods for masks and those for gas filters are changed into normative annexes, and the normative annex - Pretreatment methods are added (see Clause 6, Annexes B, C, D and E hereof; Clauses 6 and 7 of Edition 2009);

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u)?The inspection rules are deleted (see Clause 8 of Edition 2009);

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v)?The requirements related to labelling are changed and packaging requirements are added (see Clause 7 hereof; Clause 9 of Edition 2009).

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Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. The issuing body of this document shall not be held responsible for identifying any or all such patent rights.

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This standard was proposed by and is under the jurisdiction of the Ministry of Emergency Management of the People's Republic of China.

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The previous editions?of this document?are?as follows:

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——It was first issued as GB 2890-1982 in 1982;

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——It was first revised as GB 2890-1995 in 1995;

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——In the second revision in 2009, the contents of GB/T?2891-1995?

Performance test methods for facepiece of filter type respirator

?were incorporated (the previous editions of GB/T 2891-1995: GB 2891.1~6-1982); the contents of GB/T 2892-1995?

Performance test methods for canister of filter type respirator

?were incorporated (the previous editions of GB/T?2892-1995: GB 2892.1~12-1982);

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——This is the third revision.

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Respiratory protection - Non-powered air-purifying gas mask

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1?Scope

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This document specifies the classification and labelling, technical requirements, marking and packaging of non-powered air-purifying gas masks and the information provided by the manufacturer, and describes the test methods.

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This document is applicable to gas masks based on the non-powered air-purifying principle.

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This document is not applicable to non-powered air-purifying gas masks used in anoxic environment, underwater operations, escape and firefighting hot zones.

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2?Normative references

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The following documents contain requirements which, through reference in this text, constitute provisions of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.

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GB/T 2428-1998

Head-face dimensions of adults

GB 2626-2019

Respiratory protection - Non-powered air-purifying particle respirator

GB/T?5703-2010

Basic human body measurements for technological design

GB/T?10586-2006

Specifications for damp heat testing chambers

GB/T 10589-2008

Specifications for low temperature test chambers

GB/T?11158-2008

Specifications for high temperature test chambers

GB/T 12903-2008

Personal protective equipment terminology

GB/T 23465-2009

Respiratory protective equipment - Practical performance evaluation methods

GB 30864-2014

Respiratory protection - Powered air-purifying respirator

GB/T 32166.2-2015

Personal protective equipment - Eye and face protection - Occupational eye and face protectors - Part 2: Test methods

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3?Terms and definitions

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For the purposes of this document, the terms and definitions given in GB/T 12903-2008 and the following apply.

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3.1

non-powered air-purifying gas mask

air-purifying protective equipment that relies on the wearer's own breathing to overcome the resistance of the parts and protect against toxic and harmful gases or vapours, particulates (such as toxic fumes and mists), etc. which are harmful to the respiratory system or the eyes and face

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3.2

full mask

mask that fits snugly over the face and covers the eyes, face, nose, mouth and jaw

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3.3

half mask

mask that fits snugly over the face and covers the mouth and nose, or covers the mouth, nose and jaw

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3.4

protective time

duration required for the concentration of the test medium in mask to reach the limit once the test medium starts to be introduced in through the gas filter under the specified conditions

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3.5

gas filter

cartridge

canister

filter component used for non-powered air-purifying gas mask that filters out toxic gases and/or vapours from the inhaled air

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3.6

combined filters

filter component that simultaneously filter out toxic gases and/or vapours and particulates from the inhaled air

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Note: A combined filter with a replaceable particulate protection component is of combined-type, while a combined filter with a non-replaceable particulate protection component is of integrated type.

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3.7

inhalation valve

one-way valve only allowing inhaled air to enter the mask but preventing exhaled air from being discharged out of the mask

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3.8

exhalation valve

one-way valve only allowing exhaled air to be discharged out of the mask but preventing inhaled air from entering the mask

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3.9

inward leakage; IL

ratio of the concentration of simulant leaking into the mask when the subject inhales to the concentration of simulant in the inhaled air under specified conditions

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3.10

dead space

volume of gas that has been re-inhaled from a previous exhalation

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Note: It is expressed by the volume fraction of carbon dioxide in inhaled gas

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3.11

breathing hose

airtight hose for connecting a gas filter to the mask

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