This document defines the construction, safety, and performance requirements of modular or factory-matched hydrogen gas generation appliances, herein referred to as hydrogen generators, using electrochemical reactions to electrolyse water to produce hydrogen. This document is applicable to hydrogen generators that use the following types of ion transport medium: — group of aqueous bases; — group of aqueous acids; — solid polymeric materials with acidic function group additions, such as acid proton exchange membrane (PEM); — solid polymeric materials with basic function group additions, such as anion exchange membrane (AEM). This document is applicable to hydrogen generators intended for industrial and commercial uses, and indoor and outdoor residential use in sheltered areas, such as car-ports, garages, utility rooms and similar areas of a residence. Hydrogen generators that can also be used to generate electricity, such as reversible fuel cells, are excluded from the scope of this document. Residential hydrogen generators that also supply oxygen as a product are excluded from the scope of this document.

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ISO 10439-3:2015 specifies minimum requirements and gives recommendations for axial compressors, single-shaft and integrally geared process centrifugal compressors, and expander-compressors for special purpose applications that handle gas or process air in the petroleum, petrochemical, and natural gas industries. ISO 10439-4:2015 specifies integrally geared centrifugal compressors in conjunction with ISO 10439‑1.

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ISO 10439 specifies minimum requirements and gives recommendations for axial compressors, single-shaft, and integrally geared process centrifugal compressors, and expander-compressors for special purpose applications that handle gas or process air in the petroleum, petrochemical, and natural gas industries. ISO 10439-1:2015 specifies general requirements applicable to all such machines.
ISO 10439-1:2015 does not apply to fans (these are covered by API 673) or blowers that develop less than 34 kPa (5 psi) pressure rise above atmospheric pressure. It also does not apply to packaged, integrally geared centrifugal plant, and instrument air compressors, which are covered by API 672. Hot gas expanders over 300 °C (570 °F) are not covered by ISO 10439-1:2015.
ISO 10439-1:2015 contains information pertinent to all equipment covered by the other parts of ISO 10439. It shall be used in conjunction with the following parts of ISO 10439, as applicable to the specific equipment covered:
ISO 10439‑2;
ISO 10439‑3
ISO 10439‑4

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ISO 10439-2:2015 specifies minimum requirements and gives recommendations for axial compressors, single-shaft, and integrally geared process centrifugal compressors and expander-compressors for special purpose applications that handle gas or process air in the petroleum, petrochemical, and natural gas industries. ISO 10439-2:2015 specifies requirements for non-integrally geared centrifugal and axial compressors, in addition to the general requirements specified in ISO 10439-1. These machines do not have gears integral with their casing but can have external gears.

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ISO 10439-4:2015 specifies minimum requirements and gives recommendations for axial compressors, single-shaft, and integrally geared process centrifugal compressors and expander-compressors for special purpose applications that handle gas or process air in the petroleum, petrochemical, and natural gas industries. ISO 10439‑4:2015 specifies requirements for expander-compressors, in addition to the general requirements specified in ISO 10439‑1:2015.

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ISO 10439-4:2015 specifies minimum requirements and gives recommendations for axial compressors, single-shaft, and integrally geared process centrifugal compressors and expander-compressors for special purpose applications that handle gas or process air in the petroleum, petrochemical, and natural gas industries. ISO 10439‑4:2015 specifies requirements for expander-compressors, in addition to the general requirements specified in ISO 10439‑1:2015.

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ISO 10439 specifies minimum requirements and gives recommendations for axial compressors, single-shaft, and integrally geared process centrifugal compressors, and expander-compressors for special purpose applications that handle gas or process air in the petroleum, petrochemical, and natural gas industries. ISO 10439-1:2015 specifies general requirements applicable to all such machines. ISO 10439-1:2015 does not apply to fans (these are covered by API 673) or blowers that develop less than 34 kPa (5 psi) pressure rise above atmospheric pressure. It also does not apply to packaged, integrally geared centrifugal plant, and instrument air compressors, which are covered by API 672. Hot gas expanders over 300 °C (570 °F) are not covered by ISO 10439-1:2015. ISO 10439-1:2015 contains information pertinent to all equipment covered by the other parts of ISO 10439. It shall be used in conjunction with the following parts of ISO 10439, as applicable to the specific equipment covered: ISO 10439‑2; ISO 10439‑3 ISO 10439‑4

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ISO 10439-2:2015 specifies minimum requirements and gives recommendations for axial compressors, single-shaft, and integrally geared process centrifugal compressors and expander-compressors for special purpose applications that handle gas or process air in the petroleum, petrochemical, and natural gas industries. ISO 10439-2:2015 specifies requirements for non-integrally geared centrifugal and axial compressors, in addition to the general requirements specified in ISO 10439-1. These machines do not have gears integral with their casing but can have external gears.

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ISO 10439-3:2015 specifies minimum requirements and gives recommendations for axial compressors, single-shaft and integrally geared process centrifugal compressors, and expander-compressors for special purpose applications that handle gas or process air in the petroleum, petrochemical, and natural gas industries. ISO 10439-4:2015 specifies integrally geared centrifugal compressors in conjunction with ISO 10439‑1.

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1.1   This document applies to centrifuges aiming at separation of liquid/liquid/solid/solid or at least two of these substances. It gives requirements to minimise the risks caused by the hazards specified in 1.2.
This document deals with the significant hazards associated with the operation of centrifuges.
1.2   This document gives requirements for minimising the risks caused by the following hazards:
- mechanical hazards common to all types of centrifuges, except those specified in 1.4;
- ergonomical hazards;
- electrical hazards.
This document also covers requirements for noise measurements.
1.3   Types of centrifuges and hazards excluded
1.3.1   Types of centrifuges excluded:
- centrifuges with a kinetic energy of rotation less than 200 J;
- centrifuges designated by their manufacturers for domestic use;
- centrifuges designated by their manufacturers as laboratory centrifuges according to EN 61010-2-020;
- centrifuges designated by their manufacturers for forming, i.e. centrifugal hot metal casting machines.
1.3.2   Hazards excluded:
- thermal hazards;
- hazards specific to processing radioactive products;
- hazards specific to microbiological processing - including viral and parasitic hazards;
- hazards from processing corrosive and/or erosive materials;
- hazards from processes involving flammable or explosive substances;
- hazards caused by leakage of hazardous substances;
- hazards caused by unsuitable hygienic design for applications involving food products;
- inherent chemical hazards of process materials and/or service media and their biological effects on exposed persons. However, it should be noted that inherently hazardous substances include toxic, carcinogenic and flammable substances for example. Other substances may be hazardous because of their condition in the centrifuge, i.e. temperature, velocity and vapour pressure.
- hazards due to construction materials. However, it should be noted that materials used in the construction of centrifuges shall not be hazardous in the condition in which they are used.
- other application specific hazards which must be dealt with, either according to application specific standards (e.g. EN 12505), or EN ISO 12100:2010.
1.4   This document is not applicable to centrifuges which are manufactured before the date of its publication as EN.

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ISO 13709:2009 specifies requirements for centrifugal pumps, including pumps running in reverse as hydraulic power recovery turbines, for use in petroleum, petrochemical and gas industry process services.
ISO 13709:2009 is applicable to overhung pumps, between-bearings pumps and vertically-suspended pumps

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ISO 13709:2009 specifies requirements for centrifugal pumps, including pumps running in reverse as hydraulic power recovery turbines, for use in petroleum, petrochemical and gas industry process services. ISO 13709:2009 is applicable to overhung pumps, between-bearings pumps and vertically-suspended pumps

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ISO 5771:2008 specifies the minimum requirements for rubber hoses used for transferring ammonia, in liquid or in gaseous form, at ambient temperatures from - 40 °C up to and including + 55 °C. It does not include specifications for end fittings, but is limited to the performance of the hoses and hose assemblies.

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ISO 5771:2008 specifies the minimum requirements for rubber hoses used for transferring ammonia, in liquid or in gaseous form, at ambient temperatures from - 40 °C up to and including + 55 °C. It does not include specifications for end fittings, but is limited to the performance of the hoses and hose assemblies.

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1.1   This European Standard applies to centrifuges aiming at separation of liquid/liquid/solid/solid or at least two of these substances. It gives requirements to minimise the risks caused by the hazards specified in 1.2.
The Standard deals with the significant hazards associated with the operation of centrifuges.
1.2   The Standard gives requirements for minimising the risks caused by the following hazards:
-   mechanical hazards common to all types of centrifuges, except those specified in 1.3;
-   ergonomical hazards;
-   electrical hazards.
The standard also covers requirements for noise measurements.
1.3   Types of centrifuges and hazards excluded
1.3.1   Types of centrifuges excluded:
-   centrifuges with a kinetic energy of rotation less than 200 Joule;
-   centrifuges designated by their manufacturers for domestic use;
-   centrifuges designated by their manufacturers as laboratory centrifuges according to EN 61010-2-020, including Amendment 1;
-   centrifuges designated by their manufacturers for forming, i.e. centrifugal hot metal casting machines.
1.3.2   Hazards excluded:
-   thermal hazards;
-   hazards specific to processing radioactive products;
-   hazards specific to microbiological processing - including viral and parasitic hazards;
-   hazards from processing corrosive and/or erosive materials;
-   hazards from processes involving flammable or explosive substances;
-   hazards caused by leakage of hazardous substances;
-   hazards caused by unsuitable hygienic design for applications involving food products;
-   other application specific hazards which must be dealt with, either according to application specific standards (e.g. prEN 12505), or EN 292.
1.4   This standard applies to centrifuges which are manufactured after the date of issue of this standard.

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ISO 22734-2:2011 defines the construction, safety and performance requirements of packaged hydrogen gas generation appliances, herein referred to as hydrogen generators, using electrochemical reactions to electrolyse water to produce hydrogen. ISO 22734-2:2011 is applicable to hydrogen generators that use the following types of ion transport medium: a group of aqueous bases or solid polymeric materials with acidic function group additions, such as acid proton exchange membrane. ISO 22734-2:2011 is applicable to hydrogen generators intended for indoor and outdoor residential use in sheltered areas, such as car-ports, garages, utility rooms and similar areas of a residence. ISO 22734-2:2011 includes cord-connected equipment for outdoor and garage use only. Portable generators as well as hydrogen generators that can also be used to generate electricity, such as reversible fuel cells, are excluded from the scope of ISO 22734-2:2011. Hydrogen generators that also supply oxygen as a product are excluded from the scope of ISO 22734-2:2011.

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2nd parallel DIS/CEN ENQ of 2 months (CC/010821)

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1.1  This European Standard applies to centrifuges aiming at separation of liquid/liquid/solid/solid or at least two of these substances. It gives requirements to minimise the risks caused by the hazards specified in 1.2.  The Standard deals with the significant hazards associated with the operation of centrifuges.  1.2  The Standard gives requirements for minimising the risks caused by the following hazards:  - mechanical hazards common to all types of centrifuges, except those specified in 1.3; - ergonomical hazards; - electrical hazards.  The standard also covers requirements for noise measurements.  1.3  Types of centrifuges and hazards excluded  1.3.1  Types of centrifuges excluded:  - centrifuges with a kinetic energy of rotation less than 200 Joule; - centrifuges designated by their manufacturers for domestic use; - centrifuges designated by their manufacturers as laboratory centrifuges according to EN 61010-2-020, including Amendment 1; - centrifuges designated by their manufacturers for forming, i.e. centrifugal hot metal casting machines.  1.3.2  Hazards excluded:  - thermal hazards; - hazards specific to processing radioactive products; - hazards specific to microbiological processing - including viral and parasitic hazards; - hazards from processing corrosive and/or erosive materials; - hazards from processes involving flammable or explosive substances; - hazards caused by leakage of hazardous substances; - hazards caused by unsuitable hygienic design for applications involving food products; - other application specific hazards which must be dealt with, either according to application specific standards (e.g. prEN 12505), or EN 292.  1.4  This standard applies to centrifuges which are manufactured after the date of issue of this standard.

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1.1  This European Standard applies to centrifuges aiming at separation of liquid/liquid/solid/solid or at least two of these substances. It gives requirements to minimise the risks caused by the hazards specified in 1.2.  The Standard deals with the significant hazards associated with the operation of centrifuges.  1.2  The Standard gives requirements for minimising the risks caused by the following hazards:  - mechanical hazards common to all types of centrifuges, except those specified in 1.3; - ergonomical hazards; - electrical hazards.  The standard also covers requirements for noise measurements.  1.3  Types of centrifuges and hazards excluded  1.3.1  Types of centrifuges excluded:  - centrifuges with a kinetic energy of rotation less than 200 Joule; - centrifuges designated by their manufacturers for domestic use; - centrifuges designated by their manufacturers as laboratory centrifuges according to EN 61010-2-020, including Amendment 1; - centrifuges designated by their manufacturers for forming, i.e. centrifugal hot metal casting machines.  1.3.2  Hazards excluded:  - thermal hazards; - hazards specific to processing radioactive products; - hazards specific to microbiological processing - including viral and parasitic hazards; - hazards from processing corrosive and/or erosive materials; - hazards from processes involving flammable or explosive substances; - hazards caused by leakage of hazardous substances; - hazards caused by unsuitable hygienic design for applications involving food products; - other application specific hazards which must be dealt with, either according to application specific standards (e.g. prEN 12505), or EN 292.  1.4  This standard applies to centrifuges which are manufactured after the date of issue of this standard.

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ISO 22734-1:2008 defines the construction, safety and performance requirements of packaged or factory matched hydrogen gas generation appliances, herein referred to as hydrogen generators, using electrochemical reactions to electrolyse water to produce hydrogen and oxygen gas. It is applicable to hydrogen generators that use the following types of ion transport medium: Group of aqueous bases; Solid polymeric materials with acidic function group additions such as acid proton exchange membrane (PEM). ISO 22734-1:2008 is applicable to hydrogen generators intended for indoor and outdoor commercial and industrial use (non-residential use). Hydrogen generators that can also be used to generate electricity such as reversible fuel cells are excluded from the scope of this International Standard. ISO 22734-1:2008 is intended to be used for certification purposes.

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ISO 13709:2003 specifies requirements for centrifugal pumps, including pumps running in reverse as hydraulic power recovery turbines, for use in petroleum, petrochemical and gas industry process services. ISO 13709:2003 is applicable to overhung pumps, between-bearings pumps and vertically-suspended pumps. Clause 8 provides requirements applicable to specific types of pump. All other clauses of ISO 13709:2003 are applicable to all pump types. Illustrations are provided of the various specific pump types and the designations assigned to each specific type. ISO 13709:2003 is not applicable to sealless pumps.

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ISO 10439 specifies requirements and gives recommendations for the design, materials, fabrication, inspection, testing and preparation for shipment of centrifugal compressors for use in the petroleum, chemical and gas service industries. It is not applicable to machines that develop less than 35 kPa above atmospheric pressure, nor is it applicable to packaged, integrally geared centrifugal air compressors, which are covered in ISO 10442.

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Cancels and replaces the first edition (1981). Specifies the minimum requirements for rubber hose used for transferring ammonia, in liquid or in gaseous form, at ambient temperatures between -40 °C and +55 °C. Does not include specifications for end fittings, but is limited to the performance of the hose and hose assemblies.

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