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Normas BSI – AENOR
BS EN ISO 9090:2019

BS EN ISO 9090:2019

Gas tightness of equipment for gas welding and allied processes

2019-11-27 /Definitive
Equivalencias internacionales:

EN ISO 9090

ISO 9090

Relación con otras normas BSI:

Reemplaza a: BS EN 29090:1992


This document specifies the maximum external gas leakage rates which are acceptable for equipment used for welding, cutting and allied processes and provides the procedures of measurement.

It applies to individual components which are used in the gas supply to a blowpipe from the connecting point of the hose (outlet of the cylinder valve or connecting point to a gas supply plant). It does not apply to gas supply plant.


Specific requirements on the test method and conditions/procedure for measurement of the maximum external leakages can be given in individual standards, e.g. ISO 9012 for air-aspirated hand blowpipes. Concerning the method and the conditions to be applied, the individual standard takes precedence over this document. The maximum external leakages according to this document apply.

Pressure testing, Flow rates, Gas-welding equipment, Test equipment, Components, Leak tests, Gas flow, Error correction, Thermal cutting equipment, Test pressure, Welding equipment
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