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BS EN ISO 3821:2019
Gas welding equipment. Rubber hoses for welding, cutting and allied processes- This is the most recent version of this document.
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DIN EN ISO 3821
Gas welding equipment - Rubber hoses for welding, cutting and allied processes (ISO 3821:2019)- This is the most recent version of this document.
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
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ISO 3821:2019
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Gas welding equipment - Rubber hoses for welding, cutting and allied processes- Most Recent
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ISO 3821:2008
Gas welding equipment - Rubber hoses for welding, cutting and allied processes- Historical Version
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ISO 3821:1998
Welding - Rubber hoses for welding, cutting and allied processes- Historical Version