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ISO 3821:2019

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

Standard Details

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.

General Information

Status : Published
Standard Type: Main
Document No: ISO 3821:2019
Document Year: 2019
Pages: 17
Edition: 5
  • Section Volume:
  • ISO/TC 44/SC 8. Equipment for gas welding, cutting and allied processes

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ISO 3821:2019

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