ISO 17420-4:2021 Respiratory protective devices — Performance requirements —Part 4: Requirements for supplied breathable gas RPD

标准简介

Respiratory protective devices — Performance requirements —Part 4: Requirements for supplied breathable gas RPD是国际标准化组织(International Organization for Standardization，简称ISO)于2021-01发布的ISO标准，适用于全球。

标准截图

 

标准文档说明

标准文档类型为Respiratory protective devices — Performance requirements —Part 4: Requirements for supplied breathable gas RPD高清PDF版本（文字版），标准文档内可进行搜索，可以复制原文，可粘贴。

标准部分原文

INTERNATIONAL STANDARD ISO 17420-4:2021(E)

Respiratory protective devices — Performance requirements —

Part 4: Requirements for supplied breathable gas RPD

1 Scope

This document specifies requirements for the performance and testing of supplied breathable gas respiratory protective devices (RPD) in accordance with their classification and for use in the workplace to protect the wearer from hazardous atmospheres and/or environments.

2 Normative references

The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.

ISO 9227, Corrosion tests in artificial atmospheres — Salt spray tests

ISO 10297:2014, Gas cylinders — Cylinder valves — Specification and type testing

ISO 10297:2014/Amd 1:2017, Gas cylinders — Cylinder valves — Specification and type testing — Amendment 1: Pressure drums and tubes

ISO 12209, Gas cylinders — Outlet connections for gas cylinder valves for compressed breathable air

ISO 13341, Gas cylinders — Fitting of valves to gas cylinders

ISO 16900-1:2019, Respiratory protective devices — Methods of test and test equipment — Part 1: Determination of inward leakage

ISO 16900-2, Respiratory protective devices — Methods of test and test equipment — Part 2: Determination of breathing resistance

ISO 16900-5, Respiratory protective devices — Methods of test and test equipment — Part 5: Breathing machine, metabolic simulator, RPD headforms and torso, tools and verification tools

1)

ISO 16900-6:— , Respiratory protective devices — Methods of test and test equipment — Part 6: Mechanical resistance/strength of components and connections

ISO 16900-7:2020, Respiratory protective devices — Methods of test and test equipment — Part 7: Practical performance test methods

ISO 16900-9, Respiratory protective devices — Methods of test and test equipment — Part 9: Determination of carbon dioxide content of the inhaled gas

ISO 16900-12, Respiratory protective devices — Methods of test and test equipment — Part 12: Determination of volume-averaged work of breathing and peak respiratory pressures

ISO 16900-13, Respiratory protective devices — Methods of test and test equipment — Part 13: RPD using regenerated breathable gas and special application mining escape RPD: Consolidated test for gas concentration, temperature, humidity, work of breathing, breathing resistance, elastance and duration

1) Under preparation, Stage at the time of publication ISO/DIS 16900-6:2020.

ISO 17420-4:2021(E)

ISO 16900-14, Respiratory protective devices — Methods of test and test equipment — Part 14: Measurement of sound pressure level

ISO 16972, Respiratory protective devices — Vocabulary and graphical symbols

ISO 17420-1:2021, Respiratory protective devices — Performance requirements — Part 1: General

EN 144-2, Respiratory protective devices — Gas cylinder valves — Part 2: Outlet connections

EN 388:2016, Protective gloves against mechanical risks

CGA V-1, Compressed Gas Cylinder Valve Outlet and Inlet Connections

JIS B 8246, Valves for high pressure gas cylinders

IEC 60068-2-27:2010, Environmental testing — Part 2-27: Tests — Test Ea and guidance: Shock

IEC 60068-2-64, Environmental testing — Part 2-64: Tests — Test Fh: Vibration, broadband random and guidance

IEC 60721-1:2002, Classification of environmental conditions — Part 1: Environmental parameters and their severities

IEC 60721-3-2:2018, Classification of environmental conditions — Part 3-2: Classification of groups of environmental parameters and their severities — Transportation and Handling

IEC 61000-6-2, Electromagnetic compatibility (EMC) — Part 6-2: Generic standards — Immunity standard for industrial environments

3 Terms, d efinitions , abbreviations and symbols

3.1 Terms and definiti ons

For the purposes of this document, the terms and definitions given in ISO 16972 and the following apply.

ISO and IEC maintain terminological databases for use in standardization at the following addresses:

— ISO Online browsing platform: available at https:// www. iso .org/ obp

— IEC Electropedia: available at http:// www.e lectropedia. org/ 3.1.1

RPD in as worn state

RPD where all components are connected and assembled in the way that it is intended to be used (e.g. worn by the wearer, adapted to an RPD headform or RPD headform and torso or suitable holder)

Note 1 to entry: All of the various components (e.g. for an SCBA: gas cylinder, respiratory interface, demand valve, harness etc.) have been completely assembled and then connected (RI connected to the demand valve) together in accordance with the information supplied by the manufacturer.

3.1.2

RPD in ready for use state

RPD ready to be donned as described by the manufacturer

Note 1 to entry: In line with the information supplied by the manufacturer for donning the RPD, further actions can be necessary, such as connections of components as part of the donning process.

网盘链接

百度网盘：https://pan.baidu.com/s/1WIY6HM-ZDi_rrBSJoZ30lA
提取码：2ikd