I.S. EN ISO 3821:2019&LC:2021
Current
The latest, up-to-date edition.
Gas welding equipment - Rubber hoses for welding, cutting and allied processes (ISO 3821:2019)
Hardcopy , PDF
English
06-09-2021
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Abbreviated terms
5 Application
6 Hose designation
7 Materials
8 Dimensions and tolerances
9 Requirements and type tests
10 Hose colour and gas identification
Annex A (normative) Method of test for non-ignition
Annex B (normative) Method of test for resistance to n-pentane
Annex C (normative) Method of test for resistance to incandescent particles and hot surfaces
Annex D (normative) Summary of requirements and type tests
Annex E (normative) Alternative oxygen gas colour codes
Bibliography
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