ISO 11623:2015 specifies the requirements for periodic inspection and testing and to verify the integrity for further service of hoop-wrapped and fully-wrapped composite transportable gas cylinders, with aluminium-alloy, steel or non-metallic liners or of linerless construction (Types 2, 3, 4, and 5), intended for compressed, liquefied or dissolved gases under pressure, of water capacity from 0,5 l up to 450 l.
ISO 11623:2015 is written to address the periodic inspection and testing of composite cylinders constructed to ISO 11119‑1, ISO 11119‑2, and ISO 11119‑3 standards and can be applied to other composite cylinders designed to comparable standards when authorized by the competent authority.
As far as practicable, this International Standard also can be applied to cylinders of less than 0,5 l water capacity.

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This document is applicable to pin-index yoke-type valve connections for medical gas cylinders, with a working pressure up to a maximum of 200 bar or test pressure up to a maximum of 300 bar, or both.
NOTE 1    This type of connection is primarily used for small cylinders (5 l or below).
NOTE 2    In this document the unit bar is used, due to its universal use in the field of technical gases. It should, however, be noted that bar is not an SI unit, and that the corresponding SI unit for pressure is Pa (1 bar = 105 Pa = 105 N/m2).
This document specifies:
—    basic dimensions;
—    requirements for alternative designs of the yoke-type valve connections;
—    dimensions and positions for the holes and pins for the outlet connections.
It also specifies the dimensions and positions for the holes and pins for the outlet connections for gases and gas mixtures.

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This document specifies the requirements for periodic inspection and testing to verify the integrity for further service of hoop-wrapped and fully-wrapped composite transportable gas cylinders and tubes, with aluminium-alloy, steel or non-metallic liners or of linerless construction (Types 2, 3, 4, and 5), intended for compressed, liquefied or dissolved gases under pressure, of water capacity from 0,5 l up to 3 000 l. This document addresses the periodic inspection and testing of composite cylinders and tubes constructed according to ISO 11119-1, ISO 11119-2, ISO 11119-3, ISO 11119-4 or ISO 11515. It can be applied to other composite cylinders and tubes designed to comparable standards when authorized by the competent authority. As far as practicable, this document can also be applied to cylinders of less than 0,5 l water capacity when authorized by the manufacturer. NOTE Unless noted by exception, the use of the word “cylinder” in this document refers to both cylinders and tubes.

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This document lists gas cylinders valve outlets in use. This document provides details of thread types and sizes. NOTE Complete descriptions of particular valve outlets are given in national standards.

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This document specifies the minimum requirements for the materials, design, construction and workmanship, manufacturing processes, examinations and testing at time of manufacture for refillable, seamless, stainless steel gas cylinders with water capacities up to and including 150 l.
It is applicable to cylinders for compressed, liquefied and dissolved gases with a maximum actual tensile strength, Rma, of less than 1 100 MPa.
NOTE   If so desired, cylinders of water capacity between 150 l and 450 l can be manufactured to be in full conformance to this document.

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This European Standard specifies minimum requirements for material, design, construction and workmanship, testing and examination during the manufacture of transportable refillable welded aluminium liquefied petroleum gas (LPG) cylinders, having a water capacity from 0,5 litres up to and including 150 litres, exposed to ambient temperature.

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This document specifies the following, in order to determine the corrosiveness of gases and gas mixtures so that a suitable outlet connection can be assigned to each of them:
—    for pure gases and some liquids, a complete list indicating their corrosiveness;
—    for gas mixtures, a calculation method, in the absence of experimental data, relating to the corrosiveness of each of their components.

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This document specifies minimum requirements for material, design, construction and workmanship, testing and examination during the manufacture of transportable refillable welded aluminium liquefied petroleum gas (LPG) cylinders, having a water capacity from 0,5 l up to and including 150 l, exposed to ambient temperature.

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This document specifies the minimum requirements for the materials, design, construction and workmanship, manufacturing processes, examinations and testing at time of manufacture for refillable, seamless, stainless steel gas cylinders with water capacities up to and including 150 l.
It is applicable to cylinders for compressed, liquefied and dissolved gases with a maximum actual tensile strength, Rma, of less than 1 100 MPa.
NOTE         If so desired, cylinders of water capacity between 150 l and 450 l can be manufactured to be in full conformance to this document.

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This document specifies minimum requirements for the materials, design, construction, prototype testing and routine manufacturing inspections of fully wrapped composite gas cylinders for compressed, liquefied and dissolved gases.
NOTE 1   For the purposes of this document, the word “cylinder” includes tubes (seamless transportable pressure receptacles of a water capacity exceeding 150 l and of not more than 3 000 l).
This document is applicable to cylinders that comprise a liner of metallic material (welded or seamless) or non-metallic material (or a mixture thereof), reinforced by a wound composite consisting of fibres of glass, carbon or aramid (or a mixture thereof) embedded in a matrix.
This document is also applicable to composite cylinders without liners.
This document is not applicable to gas cylinders which are partially covered with fibres and commonly called “hoop wrapped” cylinders. For hoop wrapped composite cylinders, see EN 12257.
NOTE 2   This document does not address the design, fitting and performance of removable protective sleeves. Where these are fitted, they are considered separately.
This document is primarily for compressed, liquefied and dissolved gases other than LPG.
NOTE 3   For dedicated LPG cylinders, see EN 14427.

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This document specifies the construction characteristics, performances and marking related to safety and the rational use of energy of portable, flat gas appliances directly supplied at the LPG vapour pressure, incorporating a gas cartridge complying with EN 417:2012, inserted horizontally in the chassis.
NOTE 1   These appliances are referred to in the body of the text as “appliances”.
This document covers appliances for outdoor or in well ventilated areas uses only.
This document does not cover appliances supplied by an external gas source.
For example, the following types of appliances are covered:
a)   cooking appliances (stoves, barbecues);
b)   heating appliances.
This document specifies the requirements applicable to these appliances or their functional sections whether or not the latter are independent or incorporated into an assembly.
Appliances covered by this document are not connected to a flue for the discharge of products of combustion and are not connected to the mains electricity supply.
This document covers neither appliances supplied with LPG in the liquid phase nor appliance with fixed integral container which could be refilled by the user.
This document does not cover appliances of direct pressure propane category.
Requirements for rational use of energy have been considered for stove burners.
NOTE 2   However, such requirements have not been considered for the other types of appliances because:
-   for barbecues, this type of cooking varies according to the type of food and region where the appliance is used;
-   for heating appliances, all the heat produced is discharged into the environment.

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This document specifies requirements for the inspection and maintenance of valves [including ball valves and valves with integrated pressure regulator (VIPRs)] for:
a) refillable transportable gas cylinders;
b) cylinder bundles;
c) pressure drums and tubes;
which convey compressed, liquefied or dissolved gases.
This document does not apply to valves for liquefied petroleum gas (LPG).
NOTE       Where there is no risk of ambiguity, gas cylinders, cylinder bundles, pressure drums and tubes are addressed with the collective term “gas cylinders” within this document.
This document is applicable to valves reused at the time of the periodic inspection of gas cylinders, cylinder bundles, pressure drums and tubes, and can be applied at any other time, e.g. at a change of gas service (see ISO 11621).
This document does not apply to the routine inspection of valves, e.g. carried out at the time of a gas cylinder filling.

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This document:
—   specifies minimum requirements for materials, design, construction, prototype testing and routine manufacturing inspections of fully wrapped composite cylinders with a water capacity from 0,5 litre up to and including 150 litres for liquefied petroleum gases (LPG) exposed to ambient temperatures, with a test pressure of at least 30 bar;
—   is only applicable to cylinders which are fitted with a pressure relief valve (see 4.1.3);
—   is applicable to cylinders with a liner of metallic material (welded or seamless) or non-metallic material (or a mixture thereof), reinforced by fibres of glass, carbon or aramid (or a mixture thereof);
—   is also applicable to composite cylinders without liners.
Cylinders manufactured to this document are suitable for temperatures down to −40 °C.
This document does not address the design, fitting and performance of removable protective sleeves. Where these are fitted, the choice of material and sleeve performance are expected to be considered separately.

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This document lists the best available acute-toxicity data of gases taken from a search of the current literature to allow the classification of gases and gas mixtures for toxicity by inhalation.
Scope of amendment
Changes to formula in clause 4.3

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This document specifies the following, in order to determine the corrosiveness of gases and gas
mixtures so that a suitable outlet connection can be assigned to each of them:
— for pure gases and some liquids, a complete list indicating their corrosiveness;
— for gas mixtures, a calculation method, in the absence of experimental data, relating to the
corrosiveness of each of their components.

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This document specifies requirements for the test apparatus and test procedure in order to apply oxygen pressure surges consistently to devices being tested for resistance to adiabatic compression and to materials for oxygen compatibility.

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This document collects history and experience of composite cylinders and tubes to be used under the International Regulations for the Transport of Dangerous Goods: — with a water capacity up to 3 000 l; — with a design life greater than 15 years. In particular the document reviews the topic of the service life performance of existing composite cylinders and tubes and provides information and data for the following items: — history of cylinder design; — current testing regimes; — significance of the tests on their performance; — service performance including pre-fill and periodic inspection and tests. NOTE In this document, for “cylinder/tube”, only the term “cylinder” is used.

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This document lists the best available acute-toxicity data of gases taken from a search of the current literature to allow the classification of gases and gas mixtures for toxicity by inhalation.
Scope of amendment
Changes to formula in clause 4.3

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This document specifies requirements for the test apparatus and test procedure in order to apply oxygen pressure surges consistently to devices being tested for resistance to ignition by adiabatic compression and to materials for oxygen compatibility.

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This document specifies the procedures and acceptance criteria for manufacturing tests and examinations (sometimes called "initial inspection and tests") of valves designed and type tested in accordance with ISO 10297.
This document is applicable to:
a) cylinder valves intended to be fitted to refillable transportable gas cylinders;
b) main valves (excluding ball valves) for cylinder bundles;
c) cylinder valves or main valves with integrated pressure regulator (VIPR);
d) valves for pressure drums and tubes.
NOTE       Where there is no risk of ambiguity, cylinder valves, main valves, VIPR and valves for pressure drums and tubes are addressed with the collective term “valves” within this document.
The principles of these manufacturing tests and examinations can be beneficially applied to cylinder valves type tested to national or International Standards other than ISO 10297.

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This document specifies the construction characteristics, performances and marking related to safety and the rational use of energy of portable, flat gas appliances directly supplied at the LPG vapour pressure, incorporating a gas cartridge complying with EN 417:2012, inserted horizontally in the chassis.
NOTE 1   These appliances are referred to in the body of the text as “appliances”.
This document covers appliances for outdoor or in well ventilated areas uses only.
This document does not cover appliances supplied by an external gas source.
For example, the following types of appliances are covered:
a)   cooking appliances (stoves, barbecues);
b)   heating appliances.
This document specifies the requirements applicable to these appliances or their functional sections whether or not the latter are independent or incorporated into an assembly.
Appliances covered by this document are not connected to a flue for the discharge of products of combustion and are not connected to the mains electricity supply.
This document covers neither appliances supplied with LPG in the liquid phase nor appliance with fixed integral container which could be refilled by the user.
This document does not cover appliances of direct pressure propane category.
Requirements for rational use of energy have been considered for stove burners.
NOTE 2   However, such requirements have not been considered for the other types of appliances because:
-   for barbecues, this type of cooking varies according to the type of food and region where the appliance is used;
-   for heating appliances, all the heat produced is discharged into the environment.

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This document specifies the minimum requirements for the materials, design, construction and performance testing of — Type 2 hoop-wrapped composite tubes, — Type 3 fully-wrapped composite tubes, and — Type 4 fully-wrapped composite tubes with water capacities between 450 l and 3 000 l for storage and conveyance of compressed or liquefied gases with test pressures up to and including 1 600 bar[1] and a design life of at least 15 years. This document is applicable to expected service temperatures between −40 °C and +65 °C. NOTE Type 4 tubes manufactured and tested to this document are not intended to contain toxic, oxidizing or corrosive gases. This document is applicable to tubes with composite reinforcement of carbon fibre or aramid fibre or glass fibre (or a mixture thereof) in a matrix. [1] 1 bar = 0,1 MPa = 105 Pa; 1 MPa = 1 N/mm2.

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This document specifies requirements for the inspection and maintenance of valves [including ball
valves and valves with integrated pressure regulator (VIPRs)] for:
a) refillable transportable gas cylinders;
b) cylinder bundles;
c) pressure drums and tubes;
which convey compressed, liquefied or dissolved gases.
This document does not apply to valves for liquefied petroleum gas (LPG).
NOTE Where there is no risk of ambiguity, gas cylinders, cylinder bundles, pressure drums and tubes are
addressed with the collective term “gas cylinders” within this document.
This document is applicable to valves reused at the time of the periodic inspection of gas cylinders,
cylinder bundles, pressure drums and tubes, and can be applied at any other time, e.g. at a change of gas
service (see ISO 11621).
This document does not apply to the routine inspection of valves, e.g. carried out at the time of a gas
cylinder filling.

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This European Standard
-   specifies minimum requirements for materials, design, construction, prototype testing and routine manufacturing inspections of fully wrapped composite cylinders with a water capacity from 0,5 litre up to and including 150 litres for liquefied petroleum gases (LPG) exposed to ambient temperatures, with a test pressure of at least 30 bar;
-   is only applicable to cylinders which are fitted with a pressure relief valve (see 4.1.3);
-   is applicable to cylinders with a liner of metallic material (welded or seamless) or non-metallic material (or a mixture thereof), reinforced by fibres of glass, carbon or aramid (or a mixture thereof);
-   is also applicable to composite cylinders without liners.
Cylinders manufactured to this European Standard are suitable for temperatures down to −40 °C.
This European Standard does not address the design, fitting and performance of removable protective sleeves. Where these are fitted, the choice of material and sleeve performance should be considered separately.

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This document specifies minimum requirements for the materials, design, construction, prototype testing and routine manufacturing inspections of fully wrapped composite gas cylinders for compressed, liquefied and dissolved gases.
NOTE 1   For the purposes of this document, the word "cylinder" includes tubes (seamless transportable pressure receptacles of a water capacity exceeding 150 litres and of not more than 3 000 litres).
This document is applicable to cylinders that comprise a liner of metallic material (welded or seamless) or non-metallic material (or a mixture thereof), reinforced by a wound composite consisting of fibres of glass, carbon or aramid (or a mixture thereof) embedded in a matrix.
This document is also applicable to composite cylinders without liners.
This document is not applicable to gas cylinders which are partially covered with fibres and commonly called "hoop wrapped" cylinders. For hoop wrapped composite cylinders, see EN 12257.
NOTE 2   This document does not address the design, fitting and performance of removable protective sleeves. Where these are fitted, they are considered separately.
This document is primarily for compressed, liquefied and dissolved gases other than LPG.
NOTE 3   For dedicated LPG cylinders, see EN 14427.

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This European Standard specifies the requirements for inspection and maintenance of LPG cylinder valves, either manually operated or self-closing, for reuse. It applies when the valve is either inspected or refurbished at the time of periodic inspection of the cylinder.
This European Standard may also be applied at any other time, for example, when maintenance of the valve is necessary.

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This document specifies the procedures and acceptance criteria for manufacturing tests and
examinations (sometimes called "initial inspection and tests") of valves designed and type tested in
accordance with ISO 10297.
This document is applicable to:
a) cylinder valves intended to be fitted to refillable transportable gas cylinders;
b) main valves (excluding ball valves) for cylinder bundles;
c) cylinder valves or main valves with integrated pressure regulator (VIPR);
d) valves for pressure drums and tubes.
NOTE Where there is no risk of ambiguity, cylinder valves, main valves, VIPR and valves for pressure drums
and tubes are addressed with the collective term “valves” within this document.
The principles of these manufacturing tests and examinations can be beneficially applied to cylinder
valves type tested to national or International Standards other than ISO 10297.

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This document specifies requirements for the test apparatus and test procedure in order to apply oxygen pressure surges consistently to devices being tested for resistance to ignition by adiabatic compression and to materials for oxygen compatibility.

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This document specifies some gas compatibility test methods to evaluate plastic materials suitable for use in the manufacture of composite gas cylinder liners. It is also applicable to the evaluation of the suitability of plastic matrix materials used for Type 5 cylinders.
Some fluids like water, used for cylinders testing, can react positively or negatively when in contact with plastic liners. This compatibility issue is not covered by this document.

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This document specifies stamp marking requirements for transportable refillable LPG cylinders and metallic drums including:
- Steel LPG cylinders designed and manufactured in accordance with EN 1442, EN 14140, EN 12807 or an equivalent standard or technical code recognized by the Competent Authority.
- LPG metallic drums designed and manufactured in accordance with EN 14893 or an equivalent standard or technical code recognized by the Competent Authority.
- Welded aluminium LPG cylinders designed and manufactured in accordance with EN 13110 or an equivalent standard or technical code recognized by the Competent Authority.
- LPG composite cylinders designed and manufactured in accordance with EN 14427 or an equivalent standard or technical code recognized by the Competent Authority.
NOTE 1 All these types of receptacles are referred to throughout this document as “cylinders”.
This document does not specify any requirements for product, hazard or safety-phrase labelling of packaging which can be required to meet ADR or other legislative requirements.
NOTE 2 The marking of cylinders is regulated by RID/ADR which take precedence over any clause in this document. The European Directive on Transportable Pressure Equipment 2010/35/EU [8] includes additional marking requirements (π-marking). For countries that are not members of the European Union, the π marking is replaced by their relevant conformity mark.

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This document specifies the gas compatibility test methods and the evaluation of results from these tests in order to qualify plastic materials suitable for use in the manufacture of composite gas cylinder liners. It may also be used to evaluate the suitability of plastic matrix materials used for Type 5 cylinders

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This document specifies the use of acoustic emission examination (AT) during periodic inspection and testing of hoop wrapped (Type 2) and fully wrapped (Types 3 and 4) composite transportable gas cylinders and tubes of water capacity up to 3 000 l, with aluminium-alloy, steel or non-metallic liner or of linerless construction (Type 5), intended for compressed and liquefied gases under pressure. It is applicable to only the verification of the composite material. Additional inspection such as internal visual inspection of the liner does not apply to this document (see ISO 11623). NOTE Unless noted by exception, the use of the word “cylinder” in this document refers to both cylinders and tubes.

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This document provides information for the design of composite cylinders related to impact testing and service experience with impact, including: — low energy impact, which can result from events that can occur during handling or working around cylinders; — high energy impact, which can result from accidents during transportation, or impact by large objects with velocity; — drop impact, which can result from handling, where cylinders are dropped or tipped over; and — high velocity impact, which can result from high energy impact by a small object, such as gunfire, and demonstrates non-shatterability of the cylinder or tube. Where appropriate, field experience relevant to testing requirements is provided. NOTE Unless otherwise stated, the word “cylinder” refers to both cylinders and tubes.

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This document specifies the following, in order to determine the corrosiveness of gases and gas mixtures so that a suitable outlet connection can be assigned to each of them: — for pure gases and some liquids, a complete list indicating their corrosiveness; — for gas mixtures, a calculation method, in the absence of experimental data, relating to the corrosiveness of each of their components.

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This document defines terms for gas cylinders.

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2019-02-18: WI changed from revision to Amendment further to same change at ISO

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This document gives guidance on the selection and evaluation of compatibility between non-metallic materials for gas cylinders and valves and the gas contents. It is also applicable to tubes, pressure drums and bundles of cylinders.
This document covers composite and laminated materials used for gas cylinders. It does not include ceramics, glasses and adhesives.
This document considers the influence of the gas in changing the material and mechanical properties (e.g. chemical reaction or change in physical state). The basic properties of the materials, such as mechanical properties required for design purposes (normally available from the materials supplier), are not considered. Other aspects, such as quality of delivered gas, are not considered.
The compatibility data given are related to single component gases but can be applicable to gas mixtures.
This document does not apply to cryogenic fluids (this is covered in ISO 21010).

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This document specifies design, type testing, marking, manufacturing tests and examinations requirements for ball valves used as:
closures of refillable transportable gas cylinders, pressure drums and tubes;
main valves for cylinder bundles;
valves for cargo transport units [e.g. trailers, battery vehicles, multi-element gas containers (MEGCs)];
which convey compressed gases, liquefied gases and dissolved gases.
NOTE 1      In this document, the term “valve” is used with the meaning of “ball valve”.
This document does not apply to ball valves for:
oxidizing gases as defined in ISO 10156;
toxic gases (i.e. gases listed in ISO 10298 having an LC50 value ≤ 5 000 ppm
acetylene for single gas cylinders, pressure drums and tubes.
NOTE 2      The reason for the exclusion of oxidizing gases is that the use of ball valves as closures of high-pressure cylinders for oxidizing gases is known to lead to specific ignition hazards that cannot reasonably be mitigated through the ball valve design or type testing. Safety hazards concern both the ball valve itself and any downstream equipment.
NOTE 3      The reason for the exclusion of acetylene for single gas cylinders, pressure drums and tubes is that the risk of an acetylene decomposition cannot reasonably be mitigated through the ball valve design or type testing.
This document does not apply to ball valves for liquefied petroleum gas (LPG), cryogenic equipment, portable fire extinguishers and cylinders for breathing apparatus.
NOTE 4      Requirements for valves for cryogenic vessels are specified in ISO 21011.
NOTE 5      Certain specific requirements for quick-release valves for fixed fire-fighting systems in addition to those that are given in this document are specified in ISO 16003.

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This document specifies the procedures to be adopted when checking transportable refillable LPG cylinders before, during and after filling.
This document is applicable to transportable refillable LPG cylinders of water capacity not exceeding 150 l and deemed to be fitted with valves designed according to EN ISO 14245 [4] and EN ISO 15995 [5].
This document does not apply to the requirements for filling LPG cylinders that are designed and equipped for filling by the user.
This document does not apply to the requirements for filling LPG containers on vehicles.
This document is applicable to the following:
—   welded and brazed steel LPG cylinders with a specified minimum wall thickness (see EN 1442 and EN 12807 [1] or an equivalent standard);
—   welded steel LPG cylinders without specified minimum wall thickness (see EN 14140 or an equivalent standard);
—   welded aluminium LPG cylinders (see EN 13110 [2] or an equivalent standard);
—   composite LPG cylinders (see EN 14427 or an equivalent standard); and
—   over-moulded cylinders (OMC).
Specific requirements for the different types of cylinders are detailed in Annex A, Annex B, Annex C, Annex D and Annex G.
This document is intended to be applicable to cylinders complying with RID/ADR [6] [7] (including pi marked cylinders) and also to existing non RID/ADR cylinder populations.

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This document specifies requirements for the inspection and maintenance of valves [including ball valves and valves with integrated pressure regulator (VIPRs)] for: a) refillable transportable gas cylinders; b) cylinder bundles; c) pressure drums and tubes; which convey compressed, liquefied or dissolved gases. This document does not apply to valves for liquefied petroleum gas (LPG). NOTE Where there is no risk of ambiguity, gas cylinders, cylinder bundles, pressure drums and tubes are addressed with the collective term “gas cylinders” within this document. This document is applicable to valves reused at the time of the periodic inspection of gas cylinders, cylinder bundles, pressure drums and tubes, and can be applied at any other time, e.g. at a change of gas service (see ISO 11621). This document does not apply to the routine inspection of valves, e.g. carried out at the time of a gas cylinder filling.

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This document specifies the procedures and acceptance criteria for manufacturing tests and examinations (sometimes called "initial inspection and tests") of valves designed and type tested in accordance with ISO 10297. This document is applicable to: a) cylinder valves intended to be fitted to refillable transportable gas cylinders; b) main valves (excluding ball valves) for cylinder bundles; c) cylinder valves or main valves with integrated pressure regulator (VIPR); d) valves for pressure drums and tubes. NOTE Where there is no risk of ambiguity, cylinder valves, main valves, VIPR and valves for pressure drums and tubes are addressed with the collective term “valves” within this document. The principles of these manufacturing tests and examinations can be beneficially applied to cylinder valves type tested to national or International Standards other than ISO 10297.

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This European Standard specifies stamp marking requirements for transportable refillable LPG cylinders and metallic drums including:
-   Steel LPG cylinders designed and manufactured in accordance with EN 1442, EN 14140, EN 12807 or an equivalent standard or technical code recognised by the Competent Authority.
-   LPG metallic drums designed and manufactured in accordance with EN 14893 or an equivalent standard or technical code recognised by the Competent Authority.
-   Welded aluminium LPG cylinders designed and manufactured in accordance with EN 13110 or an equivalent standard or technical code recognised by the Competent Authority.
-   LPG composite cylinders designed and manufactured in accordance with EN 14427 or an equivalent standard or technical code recognised by the Competent Authority.
NOTE 1   All these types of receptacles are referred to throughout this standard as "cylinders".
This European Standard does not specify any requirements for product, hazard or safety-phrase labelling of packaging which may be required to meet ADR or other legislative requirements.
NOTE 2   The marking of cylinders is regulated by RID/ADR which take precedence over any clause in this European Standard. The European Directive on Transportable Pressure Equipment 2010/35/EU [9] includes additional marking requirements (-marking).

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This European Standard specifies the design, testing and marking requirements for caps and plugs used to form a pressure tight seal with liquefied petroleum gas (LPG) cylinder valves and pressure vessel valves. Sealing caps and plugs provide an additional seal for self-closing and manually operated valves.  
Dust caps and tamper evident seals that do not form an additional seal as part of their design are excluded from the scope of this European Standard.
Cylinder valve caps and plugs may be used with valves for liquid and vapour manufactured in accordance with EN ISO 14245 and EN ISO 15995.
Pressure vessel valve caps and plugs may be used with valves for liquid and vapour manufactured in accordance with EN 13175. Occasional liquid withdrawal valve caps and plugs are excluded from the scope of this European Standard.
Reusable and single use sealing caps and plugs are included in this European Standard.
This European Standard does not exclude the use of other designs that provide an equivalent level of safety.
NOTE   The term "pressure vessel" does not include LPG tank vehicles, also called "road tankers", in CEN/TC 286 standards.

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This document specifies some gas compatibility test methods to evaluate plastic materials suitable for use in the manufacture of composite gas cylinder liners. It is also applicable to the evaluation of the suitability of plastic matrix materials used for Type 5 cylinders. Some fluids like water, used for cylinders testing, can react positively or negatively when in contact with plastic liners. This compatibility issue is not covered by this document.

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This document specifies the requirements for design, specification, type testing and production testing and inspection of dedicated LPG manually operated cylinder valves for use with and directly connected to transportable refillable LPG cylinders.
It also includes requirements for associated equipment for vapour and liquid service. Bursting discs and/or fusible plugs are not covered in this document.
Annex B identifies requirements for production testing and inspection.
This document excludes other LPG cylinder devices which are not an integral part of the dedicated manually operated cylinder valve.
This document does not apply to cylinder valves for fixed automotive installations and ball valves.
NOTE      For self-closing LPG cylinder valves see ISO 14245. For cylinder valves for compressed, dissolved and other liquefied gases see ISO 10297,[2] ISO 17871[6] or ISO 17879[7].

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