Hlavní oblasti

Oblast zaměření: Optika
Komise : CEN/TC 170 (Ophthalmic optics)
Původce: CEN
K připomínkám do: 22.09.2018
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This document applies to ocular endotamponades (OE), a group of non-solid surgically invasive medical devices introduced into the vitreous cavity of the eye to flatten and position a detached retina onto the retinal pigment epithelium (RPE), or to tamponade the retina.

With regard to the safety and efficacy of OE, this document specifies requirements for their intended performance, design attributes, pre-clinical and clinical evaluation, sterilization, product packaging, product labelling and the information supplied by the manufacturer.

Oblast zaměření: Obaly
Komise : CEN/TC 261 (Packaging)
Původce: CEN
K připomínkám do: 22.09.2018
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This International Standard specifies requirements for a quality management system when an organization:

a)     needs to demonstrate its ability to consistently provide products and services that meet customer and applicable statutory and regulatory requirements, and

b)    aims to enhance customer satisfaction through the effective application of the system, including processes for improvement of the system and the assurance of conformity to customer and applicable statutory and regulatory requirements.

All the requirements of this International Standard are generic and are intended to be applicable to any organization, regardless of its type or size, or the products and services it provides.

NOTE 1       In this International Standard, the terms “product” or “service” only apply to products and services intended for, or required by, a customer.

NOTE 2       Statutory and regulatory requirements can be expressed as legal requirements.

In addition to ISO 9001, this International Standard gives guidance on quality management provisions applicable to the manufacture, measuring and monitoring of design type approved dangerous goods packagings, intermediate bulk containers (IBCs) and large packagings.

It does not apply to design type testing, for which reference is made to 6.1.5, 6.3.5, 6.5.6 and 6.6.5 of the UN Model Regulations.[1]

Oblast zaměření: Stavba lodí a lodní konstrukce
Komise : CEN/SS T01 (Shipbuilding and maritime structures)
Původce: CEN
K připomínkám do: 22.09.2018
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This International Standard specifies the requirements for the design, construction and installation of the types of d.c. and a.c. electrical systems described below, either individually or in combination.

a)     low-voltage alternating current electrical systems which operate at nominal voltages of less than 250 V single phase and extra-low-voltage direct current (d.c.) electrical systems which operate at nominal potentials of 50 V d.c. or less on small craft.

b)    Single-phase alternating current systems which operate at a nominal voltage not exceeding a.c. 250 V.

It is noted that IEC 60092-507 applies to recreational craft of less than 24 m hull length in respect of three-phase alternating current installations which operate at a nominal voltage not exceeding a.c. 500 V.

This standard does not cover the following:

—    electrical propulsion circuits exceeding 50 V d.c.. which are addressed by ISO 16315;

—    Any conductor that is part of an outboard engine assembly and which does not extend beyond the outboard engine manufacturers supplied cowling.

Additional information to be included in the owner's manual is listed in Annex B.

Komise : CEN/TC 151 (Construction equipment and building material machines. Safety)
Původce: CEN
K připomínkám do: 23.09.2018
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This document specifies steering system tests and performance criteria for evaluating the steering capability of wheeled, ride-on earth-moving machinery as defined in ISO 6165. Wheeled machines include machines equipped with wheels, one or more drums or crawler wheel assemblies.

Oblast zaměření: Zařízení pro naftový průmysl
Komise : CEN/TC 12 (Materials, equipment and offshore structures for petroleum and natural gas industries)
Původce: CEN
K připomínkám do: 23.09.2018
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This International Standard specifies tests to perform to determine the galling tendency, sealing performance and structural integrity of casing and tubing connections. The words “casing” and “tubing” apply to the service application and not to the diameter of the pipe.

This document is a supplement to API RP 5C5:2017, the requirement of which are applicable with the additions and exclusions specified in this Standard.

Oblast zaměření: Kvalita vody a dodávka vody
Komise : CEN/TC 230 (Water analysis)
Původce: CEN
K připomínkám do: 24.09.2018
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This document specifies a method for the measurement of 99Tc in all types of waters by liquid scintillation counting (LSC).

The method is applicable to test samples of supply/drinking water, rainwater, surface and ground water, as well as cooling water, industrial water, domestic, and industrial wastewater after proper sampling and handling, and test sample preparation. A filtration of the test sample is necessary.

The detection limit depends on the sample volume and the instrument used. The method described in this standard, using currently available LSC counters, has a detection limit of approximately 5 Bq·kg-1 to 20 Bq·kg-1, which is lower than the WHO criteria for safe consumption of drinking water (100 Bq·l-1). These values can be achieved with a counting time of 30 min for a sample volume varying between 14 ml to 40 ml. The method presented in this standard is not intended for the determination of ultra-trace amount of 99Tc.

The activity concentration values in this document are expressed by sample mass unit instead of sample volume unit as it is usually the case in similar standards. The reason is that 99Tc is measured in various matrix types such as fresh water or sea water, which have significant density differences. The activity concentration values can be easily converted to sample volume unit by measuring the sample volume. However, it increases the uncertainty on the activity concentration result.

The method described in this standard is applicable in the event of an emergency situation, but not if 99mTc is present at quantities that could cause interference and not if 99mTc is used as a recovery tracer.

The analysis of Tc adsorbed to suspended matter is not covered by this method.

It is the user’s responsibility to ensure the validity of this test method for the water samples tested.

Oblast zaměření: Nábytek
Komise : ÚNMZ
Původce: Generic
K připomínkám do: 24.09.2018
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Tato norma stanovuje základní rozměry a požadavky pro sedací nábytek používaného dospělými jako jsou křesla a pohovky. Norma se nevztahuje na nábytek pro vzdělávací zařízení a instituce, dětský sedací nábytek.

Tato norma neobsahuje požadavky týkající se bezpečnosti elektřiny.

Zkoušky jsou určeny pro použití osobami s váhou do 110 kg.

Komise : CEN/TC 153 (Machinery intended for use with foodstuffs and feed)
Původce: CEN
K připomínkám do: 25.09.2018
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This document applies to:

—    filling machines with cylinder and piston;

—    filling machines with feed intake hopper;

—    filling machines with vacuum hopper;

hereafter referred to as filling machines which process e.g. meat, cheese and other pasty substances, excluding dry or frozen materials. They pump foodstuff into casings or bring it to a following process.

This document applies also to the interchangeable equipment for filling machines with which a wide range of additional functions can be implemented. For example: portioning, depositing, mincing, co-extruding, dividing and forming.

This document deals with all significant hazards, hazardous situations and events relevant to filling machines and interchangeable equipment (hereafter referred to as machines), when they are used as intended and under the conditions foreseen by the manufacturer and also the reasonable foreseeable misuse (see Clause 4).

These significant hazards, hazardous situations and events can arise during all the life phases including transportation, assembly, dismantling, disabling and scrapping of the machines.

This document is not applicable to machines which were manufactured before the date of publication of this document by CEN.

Filling machines described in this document are no forming, filling and sealing machines as described in EN 415‑3:1999+A1:2009. Clipping machines as described in EN 13885:2005+A1:2010 are not covered by this document.

Oblast zaměření: Prokazování kvality
Komise : CEN/CLC/JTC 1 (Criteria for conformity assessment bodies)
Původce: CEN
K připomínkám do: 25.09.2018
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This Technical Specification complements the existing requirements of ISO/IEC 17021. It includes specific competence requirements for personnel involved in the certification process for quality management systems (QMS).

NOTE          This Technical Specification is applicable for auditing and certification of a QMS based on ISO 9001. It can also be used for other QMS applications.

Komise : CEN/TC 216 (Chemical disinfectants and antiseptics)
Původce: CEN
K připomínkám do: 25.09.2018
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The method described is designed to determine the disinfectant activity of processes used in the 1) human health, 2) veterinary, 3) food, industrial and institutional sectors using chemical processes.

The objective of the described processes is to disinfect the surfaces of the overall area including the external surfaces of the equipment contained in such rooms. Air handling and products or processes specifically designed for the disinfection of medical devices are excluded from the scope of this document.

The test methods and volumes described provide the defined challenge. Even if an automated airborne disinfection system has passed all or part of the test described here, the system and its delivered cycles should then be validated in the individual enclosure to be disinfected using appropriate biological or chemical indicators.

This document describes a Phase 2 step 2 methods designed:

—    to check, under standardized laboratory conditions approaching real-world practice, that the proposed airborne surface disinfection processes meet the objective for which they were devised;

—    to cross-compare the different processes under reproducible conditions;

—    to provide an experimental design within specified boundaries when real-world-practice conditions depart from the conditions given in the text below.

The method is applicable to processes to be used in the area of human medicine, the veterinary area and in food, industrial, domestic and institutional areas (WG1, WG2 and WG3).

It applies to the process of whole enclosure / room disinfection achieved by automated processes (i.e. with no operator manually applying the disinfectant). This document covers the disinfection of nonporous surfaces but not that of air;

This method can be used as a basis for biosecurity applications in laboratories.

The method is used to qualify the process, i.e. the set of components and consumables needed for implementation. By way of example, for chemical processes, the device product combination cannot be separated.

This document is applicable to processes for which activity is claimed against the following categories of microorganisms:

—    vegetative bacteria including mycobacteria,

—    bacterial spores,

—    yeasts,

—    fungal spores and,

—    viruses.

Each activity can be claimed independently but passing both bactericidal and yeasticidal activity as per text in Annex A tests is the minimum requirement to claim compliance.

An activity tested for each domain of application may only be claimed if the criteria are achieved against all of the specified organisms associated with that activity.

The proposed method includes 2 parts:

—    Part 1 - Efficacy test: intended to ensure that minimal efficacy requirements are obtained for each type of activity claimed and for the targeted application(s) (WG1 and/or WG2 and/or WG3).

—    Part 2 - Distribution test: intended to ensure efficacy of the process throughout the enclosure. It is performed with a reference microorganism at 4 sampling positions.

The tests described in this document are based on measuring the logarithmic reduction of different species of bacteria, yeasts, moulds, bacterial spores, bacteriophages or viruses and mycobacteria under a specified set of conditions. As the panel of microorganisms selected may prove to be too narrow for certain applications, it may be supplemented by other strains based on the experimental design described in this document, by varying the conditions according to the needs of the practical application(s) envisaged.

For the defined test conditions the number of test position of the carriers can be increased according to specific needs of a given application or local requirements.

The manufacturer:

—    specifies the limitations for use and precautions for use of the process;

—    ensures that the documented test conditions are representative of the recommended practice(s).

The aim of this document is to simulate practical conditions of airborne disinfection in a laboratory situation; obligatory conditions are defined according to the method defined below. Additional conditions are also proposed.

The test report specifies and summarizes the conditions under which the tests are carried out.

The processes are generally implemented after a cleaning procedure and are then tested, according to the application sectors, under clean or low-level soiling conditions. For some specific applications, and according to the manufacturer's recommendations, evaluation methods in the presence of other interfering substances can also be envisaged under additional conditions.

Oblast zaměření: Zemědělské stroje
Komise : CEN/TC 144 (Tractors and machinery for agriculture and forestry)
Původce: CEN
K připomínkám do: 25.09.2018
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This document, used together with EN ISO 4254‑1, specifies the safety requirements and their verification for the design and construction of mounted, semi-mounted, trailed or self-propelled machines that have a combination of two or more of the following functions: loading, mixing, chopping and distributing silage and/or other feedstuffs or materials used for animal bedding such as straw, to be used by one operator only. It includes those fitted with a built-in loading crane. In addition, it specifies the type of information on safe working practices (including residual risks) to be provided by the manufacturer.

This document applies only to machines that have the following functional combinations:

—    mixing and distributing functions; or

—    mixing, chopping and distributing functions; or

—    loading, mixing and distributing functions; or

—    loading, mixing, chopping and distributing functions; or

—    chopping and distributing functions; or

—    loading, chopping and distributing functions.

Silage block cutters, even if they carry out a single function, are covered by this document.

This document does not apply to:

—    machines which pick up green fodder directly from the field;

—    loading cranes;

—    silage buckets.

NOTE 1       Loading cranes are dealt with in EN 12999.

NOTE 2       Autonomous silage loading, mixing and/or chopping and distributing machines (robotic feed systems) are to be dealt with in a separate standard (under preparation).

This document deals with the significant hazards, hazardous situations and events relevant to machines for loading, mixing and/or chopping and distributing silage and/or other feedstuffs, when they are used as intended and under the conditions foreseen by the manufacturer as listed in Clause 4, except for the hazards arising from:

—    failure of the control circuit;

—    inadequate seating;

—    inadequate lighting;

—    travelling of machinery;

—    break-up of parts rotating at high speed;

—    cutting hazard during service on sharp parts (e.g. blades of the mixing and/or chopping device).

It is not applicable to environmental hazards (except noise).

It does not deal with stability when travelling.

This document is not applicable to machines for loading, mixing and/or chopping and distributing silage and/or other feedstuffs which are manufactured before the date of publication of this document by CEN.

Komise : CEN/TC 153 (Machinery intended for use with foodstuffs and feed)
Původce: CEN
K připomínkám do: 25.09.2018
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This documentd specifies requirements for the design and manufacture of mincing machines (see Figures 1 a and 1 b).

The mincing machines (hereinafter referred to as machine) covered by this document are used for size reduction of fresh or frozen meat, meat products and fish (hereinafter referred to as product) by cutting in a set of cutting tools.

Machines for domestic uses are not included in this document. Filling mincers are covered by EN 12463 “Food processing machinery — Filling machines and auxiliary machines — Safety and hygiene requirements”.

This document applies only to machines that are manufactured after the date of issue of this document.

This document covers:

—    professional machines used for on-demand preparation in shops characterized by:

—    designed as a table top machine;

—    and having a feed tray;

—    and the product is only feed manually;

—    and is only operated from the ground;

—    and is operated by no more than one operator;

—    and with full visibility and full accessibility of the entire machine from the operator workstation;

—    and having hole plate diameter ≤ 106 mm;

—    and a worm casing set which is removable without using any tools;

—    and the weight of the worm casing set ≤ 15 kg;

NOTE          The table top machine can be equipped with a frame or base, so no separate table is needed.

—    industrial machines used for industrial mass production, and which cannot be characterized as a professional machine.

The extent to which hazards are covered, is indicated in this document. For other hazards which are not covered by this document, machinery should comply with EN ISO 12100:2010 where applicable.

This document does not describe the specific requirements for the control of machines with foot switch.

This document does not describe the specific requirements for additional mixing screws in the feed intake hopper which are covered by EN 13570 “Food processing machinery — Mixing machines — Safety and hygiene requirements”.

Komise : CEN/TC 148 (Continuous handling equipment and systems. Safety)
Původce: CEN
K připomínkám do: 25.09.2018
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This document deals with the technical requirements for stationery belt conveyors and systems as defined in 3.1 to 3.2.4, for designed for continuously conveying loose bulk materials. The covered phases of life cycle are design, setting, operation, maintenance and cleaning. Requirements for electromagnetic compatibility are also covered.

1.2     This document does not give the additional requirements for:

a)     use in coal mining and open cast lignite mining;

b)    use for man-riding;

c)     floating, dredging and ship mounted structures supporting the conveyor;

d)    biological and chemical hazards resulting from handling foodstuffs or pharmaceuticals;

e)     the design of the supporting structure which is not part of a conveyor;

f)     the effects of wind;

g)     hazards resulting from handling specific hazardous materials, (e.g. explosives, radiating material);

h)    hazards resulting from contact with or inhalation of harmful fluids, gases, mists, fumes or dust;

i)      biological and micro-biological (viral or bacterial) hazards;

j)      hazards due to heat radiation from the materials handled;

k)    hazards caused by operation in electromagnetic fields outside the range of EN 61000‑6‑2:2005;

l)      hazards caused by operation subject to special regulations (e.g. explosive atmospheres);

m)   hazards caused by the use of ionising radiation sources;

n)    conveyors using a moving belt with other than a continuous rubber or polymeric surface for the conveying medium.

The safety requirements of this standard apply to equipment and systems placed on the market after the date of publication of this standard.

NOTE          Directive 2014/34/EC concerning equipment and protective systems intended for use in potentially explosive atmospheres can be applicable to the type of machine or equipment covered by this European Standard. The present standard is not intended to provide means of complying completely with the essential health and safety requirements of Directive 2014/34/EC.

Oblast zaměření: Systémy zpracování informací
Komise : CEN/TC 251 (Health informatics)
Původce: CEN
K připomínkám do: 25.09.2018
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This document defines the core data set for a patient summary document that supports continuity of care for a person and coordination of healthcare. It is specifically aimed at supporting ‘unplanned, cross-border care’ and is intended to be an international patient summary (IPS).  The data set is minimal and non-exhaustive, providing a robust, well-defined core set of data items. This tight focus paradoxically enables the specified data items to also be used in planned care, and for both unplanned and planned care to be supported by this data set within local and national contexts, thereby increasing its utility and value.

It uses the European Guidelines (eHN version 2, November 2016) as the initial source for the patient summary requirements but takes into consideration other international efforts so as to provide an interoperable data set specification for global application.

This IPS standard provides an abstract definition of a Patient Summary from which derived models are implementable.  Due to its nature therefore, readers should be aware that the compliance with this standard doesn’t imply automatic technical interoperability; this result, enabled by this standard, can be reached with the conformity to standards indicated in the associated technical specifications.

This international standard does not cover workflow processes of data entry, data collection, the summarization act itself nor subsequent data presentation, nor assimilation, nor aggregation.

It is not an implementation guide that is concerned with the various technical layers beneath the application layer.  Implementation guidance for specifically jurisdictional concerns, e.g. Directives, terminologies, formats etc., is specified in associated Technical Specifications.

In particular, representation by various coding schemes, additional structures and terminologies are not part of this standard.  Terminology and its binding are addressed in the associated Technical Specifications and comprise part of the Guidance for IPS implementation. The Identification of Medicinal Products standards (abbreviated to IDMP) are the recommended target for the Medication Summary related to this standard but, prior to IDMPs’ full implementation in practice, this IPS standard cannot insist in its use at this point in time and recognizes that interim schemes may be necessary until IDMP becomes the norm.

Oblast zaměření: Textilie
Komise : CEN/TC 248 (Textiles and textile products)
Původce: CEN
K připomínkám do: 25.09.2018
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This document specifies a test method for determining the presence of organotin compounds. This test method is applicable to all types of materials of textile products.

NOTE          CEN/TR 16741 defines which materials are applicable to this determination.

Oblast zaměření: Potravinářské produkty
Komise : CEN/TC 275 (Food analysis - Horizontal methods)
Původce: CEN
K připomínkám do: 25.09.2018
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This document describes a procedure for the determination of nivalenol (NIV), deoxynivalenol (DON) and its acetyl derivatives (3-acetyl-DON and 15-acetyl-DON), HT-2 and T-2 toxins (HT-2, T-2) and zearalenone (ZEA) in cereals and cereal products by high performance liquid chromatography (HPLC) coupled with tandem mass spectrometry (MS/MS) after cleanup by solid phase extraction (SPE).

The method has been validated with both contaminated and spiked samples of wheat, wheat flour, and wheat crackers.

Validation levels for NIV ranged from 27,7μg/kg to 377,8 μg/kg.

Validation levels for DON ranged from 233,9μg/kg to 2420,0 μg/kg.

Validation levels for 3-acetyl-DON ranged from 18,5μg/kg to 136,5 μg/kg.

Validation levels for 15-acetyl-DON ranged from 11,4μg/kg to 141,8 μg/kg.

Validation levels for HT-2 ranged from 6,6 μg/kg to 133,8 μg/kg.

Validation levels for T-2 ranged from 2,1 μg/kg to 37,6 μg/kg.

Validation levels for ZEA ranged from 31,6μg/kg to 229,7 μg/kg

Laboratory experiences have shown that this method is also applicable to barley and oat flour, and rye based crackers [5], however, this has not been validated in a collaborative study.

Oblast zaměření: Sportovní výstroj
Komise : CEN/TC 136 (Sports, playground and other recreational facilities and equipment)
Původce: CEN
K připomínkám do: 25.09.2018
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This document applies to kick scooters which can only be propelled by the muscular activity of a user with a body mass of more than 20 kg and less than 100 kg.

It specifies safety requirements, test methods, marking and information supplied by the manufacturer to reduce the risk of injuries to both third parties and the user during intended use.

Kick scooters for use by users of less than 20 kg do not belong to the scope of this document. They are toys.

It should be noted that there are two types of scooters for the weight group 20 kg to 50 kg – those classified as sports equipment for use on public roads and path ways (this European Standard) and those classified as toys for domestic use (according to EN 71‑1).

Komise : CEN/TC 139 (Paints and varnishes)
Původce: CEN
K připomínkám do: 25.09.2018
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This document specifies a method for determining the flow time of paints, varnishes and related products that can be used to control consistency.

1.2     Four flow cups of similar dimensions, but having orifice diameters of 3 mm, 4 mm, 5 mm and 6 mm, are specified. Two methods for checking the flow cups for wear and tear are given (see Annex A).

Flow cups with a replaceable jet are not covered by this International Standard as the close tolerances on the supply of the material under test to the jet are not met.

Commonly used dipping flow cups are also not covered by this International Standard. In general, the fabrication tolerances for such flow cups are greater than those of the flow cups specified in this International Standard. Therefore flow time determinations with dipping flow cups give a precision which is lower than that obtained with the flow cups specified in this International Standard (see Clause 9).

1.3     The method is limited to testing materials for which the breakpoint of the flow from the orifice of the flow cup can be determined with certainty. This point is difficult to determine and reproduce for materials with flow times near the upper limit of the measurement range (100 s) due to slowing-down effects.

1.4     Flow times are reproducible only for products of Newtonian or near-Newtonian flow properties. This effectively limits their practical use. Nevertheless, for checking purposes, these flow cups do serve a useful purpose. Furthermore, the measurement of flow time is often used to confirm the application consistency.

Paints often contain flow-arresting agents to confer increased viscosity. Such paints exhibit non-Newtonian flow properties. Their viscosity during application can only be properly assessed using viscometers such as that described in ISO 3219.

Resins and varnishes can exhibit Newtonian or near-Newtonian flow at much higher viscosities than most paints and, where this applies, flow cups can provide a useful means of controlling the consistency. To meet this requirement, this International Standard provides flow cups suitable for viscosities up to about 700 mm2/s.

With thixotropic materials, stirring or other such mechanical disturbance immediately before testing will reduce the flow time compared with that for an unstirred sample. With such materials, uncertain and variable flow time values are obtained with all the flow cups. The repeatability and reproducibility limits given in Clause 9 cannot be achieved in the determination of the flow time of such materials.

Komise : CEN/TC 181 (Dedicated liquefied petroleum gas appliances)
Původce: CEN
K připomínkám do: 25.09.2018
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This document defines the constructional and operational characteristics, the safety requirements, test methods and the marking of regulators and automatic change-over devices having a maximum regulated pressure of 4 bar, with a maximum capacity of 150 kg/h, for use with butane, propane and their mixtures in the vapour phase.

This document also applies to the safety devices which are included within regulating devices covered by this standard. The characteristics of these safety devices are given in Annexes A and B.

This document also includes the requirements for:

—    adaptors for connecting to self-closing valves;

—    auxiliary safety devices.

For the purpose of this European Standard:

—    regulators and automatic change-over devices are referred to as “regulating devices”;

—    regulators, automatic change-over devices and adaptors are referred to as “devices”.

This document does not cover automatic change over devices which do not have a regulating function.

The requirements apply to devices used in locations where the temperature likely to be reached during use is between −20 °C and +50 °C. Additional requirements for devices to be used at temperatures below –20 °C are given in Annex C.

Additional requirements for regulating devices intended to be used in caravans, motor caravans and freshwater boats are given in Annex D.

Additional requirements for regulating devices intended to be used in seawater boats are given in Annex M.

All connections and the countries in which they are used are given in Annexes G and H.

This document defines only specific connections which are not defined in other standards (e.g. EN 15202:2012 for cylinder valve connections).

This document covers:

—    Regulating devices fitted with an over-pressure relief valve of a limited flow rate (PRV) (see A.1)

—    Regulating devices fitted with an over-pressure shut off safety device (OPSO) (see A.2)

—    Regulating devices fitted with a regulated outlet pressure limiter (see A.5)

—    Two stage pressure limiting regulating device (see A.6)

which are considered as “safety accessories” and all other devices which are considered as “pressure accessories” according to the Pressure Equipment Directive (2014/68/EU).

Gas pressure regulators according to this document do not have their own source of ignition and therefore are not within the scope of European Directive 2014/34/EU. Any additional component (e.g. proximity switch, travel transducer etc.) should be independently considered in the framework of assemblies as per ATEX Guideline “Guideline on the application of Council directive 94/9/EC of 23rd March 1994 edition June 2009”, Clauses 3.7.3 and 3.7.4.

Komise : CEN/TC 139 (Paints and varnishes)
Původce: CEN
K připomínkám do: 25.09.2018
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This part of ISO 1518 specifies a test method for determining under defined conditions the resistance of a single coating or a multi-coat system of paint, varnish or related product to penetration by scratching with a scratch stylus loaded with a specified load. Penetration of the stylus is to the substrate, except in the case of a multi-coat system, in which case the stylus can penetrate either to the substrate or to an intermediate coat.

The method specified can be carried out

a)     either as a “pass/fail” test, by testing with a single specified load applied to the stylus to assess compliance with a particular specification;

b)    or as an assessment test by applying increasing loads to the stylus to determine the minimum load at which the coating is penetrated.

Neither this part of ISO 1518 nor ISO 1518‑2 specifies a method using a curved stylus, which is specified in ISO 12137. The choice between the three methods will depend on the particular practical problém.