Final Draft
International StandardISO/FDIS 5175-3
Gas welding equipment — Safety devices — Part 3: Decomposition blockers for low-pressure acetylene
Reference number
ISO/FDIS 5175-3
ISO/FDIS 5175-3
Edition 1
© ISO 2025
Proyecto final Norma internacional
ISO/FDIS 5175-3
87598
Este borrador está en fase de aprobación.
Resumen
This part of ISO 5175 specifies the general requirements and tests for decomposition blockers for acetylene downstream of pressure regulators in manifold systems. Decomposition blockers can be used in the low pressure section up to 0,15 MPa (see ISO 14114) e.g. in pipelines, outlet points or for the protection of low pressure sections in big pipe systems. Decomposition blockers can only be used in sections with pure acetylene. The possible backflow of oxygen or air into the section there the decomposition blocker is installed, must be prevented by a non-return valve, downstream of the decomposition blocker.
Informaciones generales
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Estado: En desarrolloEtapa: Envío de la prueba a la secretaría o inicio de la votación del FDIS: 8 semanas [50.20]
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Edición: 1Número de páginas: 6
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Comité Técnico :ISO/TC 44/SC 8ICS :25.160.30
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