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About This Item

 

Full Description

ISO 3821:2019 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.

 

Document History

  1. ISO 3821:2019

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    viewing


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

    • Most Recent
  2. ISO 3821:2008


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

    • Historical Version
  3. ISO 3821:1998


    Welding - Rubber hoses for welding, cutting and allied processes

    • Historical Version