ISO/AWI 3821
Resumen
This document specifies requirements for rubber hoses (including twin hoses) for welding, cutting and allied processes.
This document specifies requirements for rubber hoses for normal duty of 2 MPa (20 bar) and light duty [limited to hoses for maximum working pressure of 1 MPa (10 bar) and with bore up to and including 6,3 mm].
This document applies to hoses operated at temperatures −20 °C to +60 °C and used in:
— gas welding and cutting;
— arc welding under the protection of an inert or active gas;
— processes allied to welding and cutting, in particular, heating, brazing, and metallization.
This document does not specify requirements for hose assemblies; these are detailed in ISO 8207.
This document applies neither to thermoplastics hoses nor to hoses used for high pressure [>0,15 MPa (>1,5 bar)] acetylene.
Informaciones generales
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Estado: En desarrolloEtapa: Nuevo proyecto registrado en el programa de trabajo TC/SC [20.00]
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Edición: 6
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Comité Técnico :ISO/TC 44/SC 8
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Ciclo de vida
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Anteriormente
PublicadoISO 3821:2019
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Ahora
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