This document specifies the maximum external gas leakage rates which are acceptable for equipment used for welding, cutting and allied processes and provides the procedures of measurement. It applies to individual components which are used in the gas supply to a blowpipe from the connecting point of the hose (outlet of the cylinder valve or connecting point to a gas supply plant). It does not apply to gas supply plant. NOTE Specific requirements on the test method and conditions/procedure for measurement of the maximum external leakages can be given in individual standards, e.g. ISO 9012 for air-aspirated hand blowpipes. Concerning the method and the conditions to be applied, the individual standard takes precedence over this document. The maximum external leakages according to this document apply.

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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.

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This document specifies requirements for Bourdon-tube pressure gauges normally used with compressed gas systems at pressures up to 30 MPa (300 bar) in welding, cutting and allied processes. It also covers use for dissolved acetylene and for liquefied gases under pressure. It does not cover gauges for acetylene in acetylene-manufacturing plants.

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This document defines the specifications and the type tests for quick-action couplings with shut-off valves. It applies to quick-action couplings used between the regulator and the torch in equipment for gas welding, cutting and allied processes. This document applies to cases where these couplings are used with hoses in accordance with ISO 3821 or threaded unions in accordance with ISO/TR 28821.

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ISO 14114:2017 applies to acetylene cylinder manifold systems extending from the cylinder valve or the bundle outlet connections to the outlet connection of the main shut-off valve. It specifies requirements for design, materials and testing of cylinder manifold systems for the supply of acetylene for use in welding, cutting and allied processes. ISO 14114:2017 applies to acetylene cylinder manifold systems in which acetylene single cylinders or acetylene bundles are coupled for collective gas withdrawal. NOTE National regulations exist regarding limitation of the amount of single cylinders/bundles of acetylene on a single location (e.g. in warehouse or connected to a manifold system). ISO 14114:2017 also covers a test procedure for decomposition blockers.

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ISO 5175-1:2017 specifies the general requirements and tests for safety devices for fuel gases and oxygen or compressed air incorporating a flame (flashback) arrestor used downstream of manifold, cylinder and/or pipeline outlet regulators, and upstream of blowpipes for welding, cutting and allied processes. ISO 5175-1:2017 does not specify the location of these devices in the gas system. ISO 5175-1:2017 is not applicable to safety devices not incorporating a flame arrestor, covered by ISO 5175‑2. ISO 5175-1:2017 does not apply to the use of safety devices incorporating flame arrestors for applications with premixed oxy/fuel or air/fuel gas supply systems, e.g. downstream of gas mixers or a generator to produce hydrogen/oxygen mixture by electrolytic decomposition of water.

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ISO 5175-2:2017 specifies the general requirements and tests for safety devices for fuel gases and oxygen or compressed air which do not incorporate a flame (flashback) arrestor used downstream of manifold, cylinder and/or pipeline outlet regulators, and upstream of blowpipes for welding, cutting and allied processes. ISO 5175-2:2017 does not specify the location of these devices in the gas system. ISO 5175-2:2017 in not applicable to safety devices which incorporate a flame arrestor, covered by ISO 5175‑1.

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ISO 9013:2017 presents geometrical product specifications and quality tolerances for the classification of thermal cuts in materials suitable for oxyfuel flame cutting, plasma cutting and laser cutting. It is applicable to flame cuts from 3 mm to 300 mm, plasma cuts from 0,5 mm to 150 mm and laser cuts from 0,5 mm to 32 mm. The geometrical product specifications are applicable if reference to this document is made in drawings or pertinent documents, e.g. delivery conditions. If this document were also to apply, by way of exception, to parts produced by other cutting processes, this would have to be agreed upon separately. Flatness defects are not addressed as such in this document. The references are to the current standards for the materials used.

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ISO 10225:2013 specifies the gas letter code to be used for marking the equipment for gas welding, cutting and allied processes, when the full name of the gas cannot be used.

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ISO 14113:2013 specifies requirements for rubber and plastics hose and hose assemblies for use with compressed, liquefied, and dissolved gases up to a maximum working pressure of 450 bar (45 MPa), within the ambient temperature range of −20 °C to +60 °C. It applies to hose assemblies used to connect industrial gas cylinders to manifolds or bundles prior to any pressure reduction stage. It does not cover rubber or thermoplastic hoses for welding, cutting, and allied processes (see ISO 3821 and ISO 12170). It does not apply to refrigerated liquefied gases or to liquefied petroleum gases (LPG).

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ISO 15615:2013 establishes the general specifications, requirements and tests for devices located on the high-pressure side of acetylene manifold systems as defined in ISO 14114. It does not cover the high-pressure piping, flexible hoses and the regulator.

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ISO/TR 28821:2012 lists the hose connections for equipment for welding, cutting and allied processes which are standardised within countries of ISO member bodies. Its purpose is to prevent further proliferation of hose connections in countries or fields of applications where such connections have not been standardised. ISO/TR 28821:2012 only provides details of the thread type and size applying to that connection.

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ISO 7291:2010 specifies requirements and test methods for pressure regulators in manifold systems used in welding, cutting, and allied processes for: a) compressed gases up to 30 MPa (300 bar); b) dissolved acetylene; c) liquefied petroleum gases (LPG); d) methylacetylene‑propadiene‑mixtures (MPS); e) carbon dioxide (CO2). It is not applicable to pressure regulators fitted directly to the gas cylinders, as defined in ISO 2503.

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ISO 9539:2010 specifies the general, and some of the special, requirements on materials used for the construction of equipment used in gas welding, cutting and allied processes.

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ISO 2503:2009 specifies requirements for single or two-stage pressure regulators without flow-metering devices for connection to gas cylinders used for compressed gases up to 300 bar (30 MPa), dissolved acetylene, liquefied petroleum gases (LPG), methylacetylene‑propadiene mixtures (MPS), and carbon dioxide (CO2), for use in welding, cutting and allied processes. It does not cover pressure regulators having a nominal outlet pressure p2 > 20 bar. ISO 2503:2009 also specifies requirements for single or two-stage pressure regulators with flow-metering devices for connection to gas cylinders used for compressed gases or mixtures up to 300 bar (30 MPa), and carbon dioxide (CO2), for use in welding, cutting and allied processes. Typical processes using this equipment are: tungsten inert-gas arc welding (TIG), metal-arc inert-gas welding (MIG), metal-arc active-gas welding (MAG), plasma arc welding, tubular-cored-wiretubular-cored-wire welding and plasma cutting. Annex B gives examples of flow-control systems and their flow-measuring devices.

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ISO 9012:2008 specifies requirements and test methods for air-aspirated hand blowpipes. ISO 9012:2008 applies to blowpipes for brazing, soldering, heating, fusion and other allied thermal processes, which use a fuel gas and aspirated air (injector-type blowpipes), and are intended for manual use. ISO 9012:2008 is applicable to: air-aspirated hand blowpipes which are fed with a fuel gas in the gaseous phase, at a controlled pressure by a regulator, through a gas supply hose; air-aspirated hand blowpipes which are fed with a liquefied fuel gas in the gaseous phase at the container pressure, through a gas supply hose; so-called liquid-phase blowpipes which are fed with a fuel gas in the liquid phase, and where thermal evaporation takes place within the blowpipe.

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ISO 5172:2006 specifies specifications and tests for blowpipes for gas welding, heating and cutting of metals. It applies to manual blowpipes for welding and heating with a nominal thermal power up to 32 000 kcal/h, and manual and machine cutting blowpipes with a cutting range up to 300 mm. ISO 5172:2006 does not apply to air-aspirated blowpipes which are covered in ISO 9012.

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Performance and test requirements of hose assemblies using rubber hoses for equipment for gas welding and cutting. Not applicable to hose assemblies upstream of the regulators.

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ISO 14114:2014 applies to acetylene cylinder manifold systems extending from the cylinder valve or the bundle outlet connections to the outlet connection of the main shut-off valve. It specifies requirements for design, materials and testing of cylinder manifold systems for the supply of acetylene for use in welding, cutting and allied processes. ISO 14114:2014 applies to acetylene cylinder manifold systems in which acetylene single cylinders or acetylene bundles are coupled for collective gas withdrawal. ISO 14114:2014 also covers a test procedure for decomposition blocker.

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ISO 7289:2010 defines the specifications and the type tests for quick-action couplings with shut-off valves. It applies to quick-action couplings used between the regulator and the torch in equipment for gas welding, cutting and allied processes. ISO 7289:2010 applies to cases where these couplings are used with hoses in accordance with ISO 3821 or threaded unions in accordance with ISO 3253.

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ISO 5171:2009 specifies requirements for Bourdon-tube pressure gauges normally used with compressed gas systems at pressures up to 30 MPa (300 bar) in welding, cutting and allied processes. It also covers use for dissolved acetylene and for liquefied gases under pressure. It does not cover gauges for acetylene in acetylene-manufacturing plants.

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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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ISO 14113:2007 specifies requirements for rubber and plastics hose and hose assemblies for use with compressed, liquefied and dissolved gases up to a maximum working pressure of 45 MPa (450 bar), within the ambient temperature range of - 20 °C to + 60 °C. ISO 14113:2007 applies to hose assemblies used to connect industrial gas cylinders to manifolds or bundles prior to any pressure reduction stage. ISO 14113:2007 does not cover rubber or thermoplastic hoses for welding, cutting and allied processes (see ISO 3821 and ISO 12170). ISO 14113:2007 does not apply to refrigerated liquefied gases or to liquefied petroleum gases (LPG).

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International Standard ISO 9013 applies to materials suitable for oxyfuel flame cutting, plasma cutting and laser cutting. It is applicable to flame cuts from 3 mm to 300 mm, plasma cuts from 1 mm to 150 mm and to laser cuts from 0,5 mm to 40 mm. This International Standard includes geometrical product specifications and quality tolerances. The geometrical product specifications are applicable if reference to ISO 9013 is made in drawings or pertinant documents, e.g. delivery conditions. If this International Standard is also to apply, by way of exception, to parts which are produced by different cutting processes (e.g. high-pressure water jet cutting), this has to be agreed upon separately.

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This standard lays down the general specifications, requirements and tests of devices located on the high-pressure side of acetylene manifold systems as defined in EN ISO 14114. The standard does not cover the high-pressure piping, flexible hoses and the regulator. NOTE The terms "upstream" and "downstream" refer to the normal direction of gas flow in the device.

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Specifies the requirements and relevant methods of measurement and testing of two types of thermoplastic hoses with maximum working pressure of 1 MPa and of 2 MPa, used for flexible gas supply lines in specific fields of application such as small kits for brazing and welding, miniature welding in jewellery work, dental work and arc welding with shielding gas.

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Gives the specifications and the type tests for quick action couplings with shut-off valves. It does apply to quick-action couplings used between the regulator and the torch in gas welding and cutting equipment. Replaces the first edition.

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Amendments applies to clauses 8.2.5 and 8.2.6 only.

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Specifies requirements for Bourdon-tube pressure gauges used with compressed gases at pressures up to 300 bar (30 MPa) in welding, cutting and allied processes. It also applies for the use of dissolved acetylen and for liquefied gases under pressure. Cancels and replaces the former edition, which has been technically revised.

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Gives the characteristics of machine cutting blowpipes and the specifications and corresponding test. Applies to machine cutting blowpipes which are fitted to a gas cutting machine and which have cylindrical barrels where the nozzle centre is coaxial with the barrel, the blowpipe operates with oxygen and fuel gas and has a cutting range from 3 mm to 300 mm cutting thickness.

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Cancels and replaces the first edition (1977). Specifies the characteristics of manual blowpipes for gas welding, cutting and heating of metals and gives specifications and corresponding test. Covers manual blowpipes for welding and heating up to 1 800 l/h to 2 500 l/h fuel gas and cutting blowpipes for cutting structural steel up to a thickness of 300 mm. Does not apply to air aspirated blowpipes.

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Is valid for materials suitable for oxygen cutting and for workpiece thicknesses from 3 mm to 300 mm. Requires quality classification and dimensional tolerances.

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