Explosive atmospheres - Part 49: Flame arresters - Performance requirements, test methods and limits...
ISO/IEC 80079-49:2024 specifies the requirements for flame arresters that prevent flame transmission when explosive gas-air or vapour-air mixtures are present. It establishes uniform principles for the classification, basic construction and information for use, including the marking of flame arresters, and specifies test methods to verify the safety requirements and determine safe limits of use…
Explosive atmospheres - Part 49: Flame arresters - Performance requirements, test methods and limits...
ISO/IEC 80079-49:2024 specifies the requirements for flame arresters that prevent flame transmission when explosive gas-air or vapour-air mixtures are present. It establishes uniform principles for the classification, basic construction and information for use, including the marking of flame arresters, and specifies test methods to verify the safety requirements and determine safe limits of use…
Internal combustion engines — Piston rings — Part 4: General specifications
This document specifies the general characteristics of piston rings for reciprocating internal combustion engines for road vehicles and other applications (the individual dimensional criteria for these rings are given in the relevant International Standards). It also provides a system for ring coding, designation, and marking. It is applicable to all such rings of a nominal diameter from 30 mm up…
Fibre optic communication system design guidelines - Part 14: Determination of the uncertainties of ...
IEC TR 61282-14:2024 RLV contains both the official IEC International Standard and its Redline version. The Redline version is available in English only and provides you with a quick and easy way to compare all the changes between the official IEC Standard and its previous edition.
IEC TR 61282-14:2024, which is a Technical Report, establishes a detailed analysis and calculations of the…
Electric motor-operated hand-held tools, transportable tools and lawn and garden machinery - Safety ...
IEC 62841-2-7:2024 EXV contains both the international standard and its extended version (EXV). This extended version of the official IEC Standard is available in English only and provides the user with a comprehensive content of the Standard. IEC 62841-2-7:2024 EXV includes the content of the references made to IEC 62841-1:2014.
IEC 62841-2-7:2024 deals with the safety of electric motor-…
Standard for Exhaust Hoods for Commercial Cooking Equipment
Scope
1.1 These requirements cover Type I commercial kitchen exhaust hoods intended for placement over
commercial cooking equipment. Exhaust hoods with and without exhaust dampers are covered by these
requirements.
1.2 Exhaust hoods with and without exhaust fire actuated fire dampers are covered by these
requirements.
1.3 Exhaust hoods are evaluated relative to minimum exhaust air flow…
Innovation management — Tools and methods for innovation operation measurements — Guidance
This document provides guidance for the definition, implementation, evaluation, and improvement of the measurements necessary to effectively manage innovation activities in an organization. It establishes the fundamentals of innovation operation measurements and guides their application towards four areas:
—    measurements for establishing and launching innovation initiatives;
—    …
This document specifies the compositional ranges of a series of filler metals used for brazing. The filler metals are divided into seven classes, related to their composition but not necessarily to the major element present.
NOTE 1       For the major element(s) present, see Annex A.
In the case of composite products, such as flux-coated rods, pastes or plastics tapes, this document covers only…
Optical fibres - Part 1-41: Measurement methods and test procedures - Bandwidth
IEC 60793-1-41:2024 RLV contains both the official IEC International Standard and its Redline version. The Redline version is available in English only and provides you with a quick and easy way to compare all the changes between the official IEC Standard and its previous edition.
IEC 60793-1-41:2024 describes three methods for determining and measuring the modal bandwidth of multimode optical…