ISO/TC 118/SC 4/WG 1 - Compressed air purity specification and compressed air treatment equipment
Spécification de la pureté de l'air comprimé et équipement pour le traitement de l'air comprimé
General Information
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ISO/TC 118/SC 4/WG 1 is a Subcommittee within the International Organization for Standardization (ISO). It is named "Compressed air purity specification and compressed air treatment equipment". This committee has published 1 standards.
ISO/TC 118/SC 4/WG 1 develops ISO standards in the area of Information technology. Currently, there are 1 published standards from this subcommittee.
The International Organization for Standardization (ISO) is an independent, non-governmental international organization that develops and publishes international standards. Founded in 1947 and headquartered in Geneva, Switzerland, ISO brings together experts from 170+ member countries to share knowledge and develop voluntary, consensus-based standards that support innovation and provide solutions to global challenges.
A Subcommittee (SC) in ISO operates under a Technical Committee and focuses on a specific subset of the TC's scope. Subcommittees develop standards and technical specifications in their specialized area, reporting to their parent Technical Committee. They may also have working groups for detailed technical work.
This document provides a method for sampling compressed air and a guide for choosing suitable measuring equipment to determine its particle size and concentration by number (to be referenced as "concentration" throughout this document). It also describes the limitations of the various measurement methods and describes the evaluation and uncertainty considerations. This document will report the particle size and concentration of all types of particle combined and does not aim to be able to segregate the separate solid and liquid particle fractions. When it is required that the concentration of a specific fraction is to be determined then recourse to the relevant standard method from the ISO 8573 series is recommended. NOTE 1 The test methods described in this document are those suitable for determining the purity classes given in ISO 8573‑1. NOTE 2 Particle content determined as concentration by mass is dealt with in ISO 8573‑8. NOTE 3 This document does not address instances where non-isothermal conditions exist, and separate arrangements should be made where particles may be formed by vapour condensation or lost through evaporation.
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