IS 17458 : 2024/ISO 6826 : 2022 Reciprocating Internal Combustion Engines - Fire Protection
NATIONAL FOREWORD
This Indian Standard (First Revision) which is identical to ISO 6826 : 2022 'Reciprocating Internal Combustion Engines - Fire protection' issued by International Organization for Standardization (ISO), was adopted by the Bureau of Indian Standards on the recommendations of Automotive Prime Movers, Transmissions Systems and Internal Combustion Engines Sectional Committee and approval of the Transport Engineering Division Council.
This standardwas originallypublished in 2018. The original standard was identical with ISO 6826 : 1997. The first revision of this standard has been brought out to align it with the latest version of ISO 6826.
The major changes that has been incorporated in this revision are as follows:
a) Additional applied fields, including engines used to propel agricultural tractors, road construction and earth-moving machines, have been covered;
b) Referenced standards have been updated;
c) Additional requirements on flammable gases have been added;
d) Additional requirements on flame-retardant characteristics of non-metal components,including hose and plastic components, have been added;
e) Additional requirements on ground connection as well as protection of electricalcomponents have been added;
f) Additional requirements on after-treatment system for exhaust gas have been added;
g) Requirements of piping for flammable liquids or gases are included in basic class; and
h) Detailed requirements for marine engines have been added.
The text of ISO standard has been approved as suitable for publication as an Indian Standard without deviations. Certain terminologies and conventions are, however, not identical to those used in Indian Standards. Attention is particularly drawn to the following:
a) Wherever the words 'International Standard' appear referring to this standard, theyshould be read as 'Indian Standard'; and
b) Comma (,) has been used as a decimal marker, while in Indian Standards, the currentpractice is to use a point (.) as the decimal marker.