ISO 17420-7:2021 Respiratory protective devices — Performance requirements —Part 7: Special application marine, mining, welding, and abrasive blasting - Filtering RPD and supplied breathable gas RPD

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Respiratory protective devices — Performance requirements —Part 7: Special application marine, mining, welding, and abrasive blasting - Filtering RPD and supplied breathable gas RPD是ISO于2021-02发布的ISO标准，适用于全球范围。

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INTERNATIONAL STANDARD ISO 17420-7:2021(E)

Respiratory protective devices — Performance requirements —

Part 7: Special application marine, mining, welding, and abrasive blasting - Filtering RPD and supplied breathable gas RPD

1 Scope

This document specifies the requirements for supplied breathable gas respiratory protective device (RPD) and filtering RPD to be used for special application marine, mining, welding and abrasive blasting for use in the workplace to protect the wearer.

2 Normative references

The following documents are referred to in the text in such a way that some or all of their content constitutes requirements 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.

ISO 8031, Rubber and plastics hoses and hose assemblies - Determination of electrical resistance and conductivity

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

ISO 13506-1, Protective clothing against heat and flame — Part 1: Test method for complete garments — Measurement of transferred energy using an instrumented manikin

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

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

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

ISO 16900-10, Respiratory protective devices — Methods of test and test equipment — Part 10: Resistance to ignition, flame, radiant heat and heat

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

ISO 16972, Respiratory protective devices — Terms, definitions, graphical symbols and units of measurement

ISO 17420-7:2021(E)

ISO/TS 16975-1:2016, Respiratory protective devices — Selection, use and maintenance — Part 1: Establishing and implementing a respiratory protective device programme

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

ISO 17420-2:2021, Respiratory protective devices — Performance requirements — Part 2: Requirements for filtering RPD

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

ISO 23269-2:2011, Ships and marine technology. Breathing apparatus for ships. Self-contained breathing apparatus for shipboard firefighters

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

IEC 60068-2-64:2009, Environmental testing — Part 2-64: Tests — Test Fh: Vibration, broadband random and guidance

IEC 60079-0, Explosive atmospheres — Part 0: Equipment — General requirements

IEC 60079-11, Explosive atmospheres — Part 11: Equipment protection by intrinsic safety “i”

IEC 60079-32-1:2013, Explosive atmospheres — Part 32-1: Electrostatics hazards — Guidance

IEC 60079-32-2:2015, Explosive atmospheres — Part 32-2: Electrostatics hazards — Tests

IEC 60529, Degrees of protection provided by enclosures (IP Code)

IEC 60721-1:1990, 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

ISO 6529:2013, Protective clothing — Protection against chemicals — Determination of resistance of protective clothing materials to permeation by liquids and gases

EN 50303, Group 1, category M1 equipment intended to remain functional in atmospheres endangered by firedamp and/or coal dust

ASTM D1003:2 013, Standard Test Method for Haze and Luminous Transmittance of Transparent Plastics

ASTM D6413, Standard Test Method for Flame Resistance of Textiles (Vertical Test)

NFPA 1981:2013, Standard on Open-Circuit Self-Contained Breathing Apparatus (SCBA) for Emergency Services

3 Terms a nd 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://w ww .electropedia .org/

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