NF EN ISO 3821

NF EN ISO 3821

June 2010
Standard Cancelled

Gas welding equipment - Rubber hoses for welding, cutting and allied processes

ISO 3821:2008 specifies requirements for rubber hoses (including twin hoses) for welding, cutting and allied processes.ISO 3821:2008 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].ISO 3821:2008 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.ISO 3821:2008 applies neither to thermoplastics hoses nor to hoses used for high pressure [>0,15 MPa (>1,5 bar)] acetylene.

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Main informations

Collections

National standards and national normative documents

Publication date

June 2010

Number of pages

23 p.

Reference

NF EN ISO 3821

ICS Codes

23.040.70   Hoses and hose assemblies
25.160.30   Welding equipment
83.140.40   Hoses

Classification index

T47-220

Print number

1 - 04/06/2010

International kinship

ISO 3821:2008

European kinship

EN ISO 3821:2010
Sumary
Gas welding equipment - Rubber hoses for welding, cutting and allied processes

ISO 3821:2008 specifies requirements for rubber hoses (including twin hoses) for welding, cutting and allied processes.

ISO 3821:2008 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].

ISO 3821:2008 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.

ISO 3821:2008 applies neither to thermoplastics hoses nor to hoses used for high pressure [>0,15 MPa (>1,5 bar)] acetylene.

Replaced standards (1)
NF EN 559
September 2003
Standard Cancelled
Gas welding equipment - Rubber hoses for welding, cutting and allied processes

Le présent document spécifie les exigences pour les tuyaux souples en caoutchouc, y compris les tuyaux jumelés et les tuyaux pour gaz combustibles avec flux, pour le soudage, le coupage et les techniques connexes.

Standard replaced by (1)
NF EN ISO 3821
September 2019
Standard Current
Gas welding equipment - Rubber hoses for welding, cutting and allied processes

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.

Table of contents
  • Avant-propos
    iv
  • 1 Domaine d'application
    1
  • 2 Références normatives
    1
  • 3 Termes et définitions
    2
  • 4 Termes abrégés
    2
  • 5 Application
    2
  • 6 Désignation du tuyau souple
    3
  • 7 Matériaux
    3
  • 7.1 Construction
    3
  • 7.2 Fabrication
    3
  • 8 Dimensions et tolérances
    4
  • 8.1 Diamètre intérieur
    4
  • 8.2 Concentricité (lecture apparente totale)
    4
  • 8.3 Longueurs de coupes et tolérances
    4
  • 9 Exigences et essais de type
    4
  • 9.1 Généralités
    4
  • 9.2 Exigences de base
    5
  • 9.3 Exigences spéciales
    6
  • 10 Couleur du tuyau souple et identification du gaz
    8
  • 10.1 Généralités
    8
  • 10.2 Identification du gaz
    8
  • 10.3 Marquage
    9
  • Annexe A (normative) Méthode d'essai de non-inflammation
    10
  • Annexe B (normative) Méthode d'essai de résistance au n-pentane
    12
  • Annexe C (normative) Méthode d'essai de résistance aux particules incandescentes et aux surfaces chaudes
    13
  • Annexe D (normative) Résumé des exigences et des essais pour la qualification du type
    15
  • Annexe E (normative) Autres codes couleurs pour l'oxygène gazeux
    16
  • Bibliographie
    17
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