CEN/TC 286 - Liquefied petroleum gas equipment and accessories

This document specifies the design, testing and inspection requirements for pressure relief valve isolating devices, valve manifolds, vent pipes and system assemblies which are, where necessary, used with pressure relief valves for use in static pressure vessels for Liquefied Petroleum Gas (LPG) service.
This document addresses both prototype testing and production testing of isolating devices and PRV manifolds.
Pressure relief valves for LPG pressure vessels are specified in EN 14129:2014.

This European Standard specifies the requirements for the design and testing of spring loaded pressure relief valves and thermal expansion valves for use in:
- static LPG pressure vessels,
NOTE   The pressure vessels can be situated above ground, underground or mounded.
- transportable LPG welded steel pressure drums,
- LPG pressure vessels on road tankers, rail tankers, tank-containers or demountable tanks.
This document does not address relief valves for LPG cylinders, which are identified in EN 13953.
This document does not address production testing.
Normative Annex B prescribes testing with conditioning at - 40 °C for valves for use under extreme low temperature conditions.
The requirements for pressure relief valve accessories such as isolating devices, changeover manifolds and vent pipes are specified in EN 14071.
EN 14570 identifies the requirements for the pressure relief valve capacities for static pressure vessels.
EN 12252 identifies the requirements for the pressure relief valve capacities for road tankers.
Valves designed in accordance with this standard are specifically for use in LPG applications. Valves manufactured in accordance with EN ISO 4126 1 may also be used in certain LPG applications.
Terms used with LPG pressure relief valves are described graphically in Annex A.

This document specifies minimum requirements for the inspection and testing of the LPG road tanker, which includes its pressure vessel, accessories and vehicle LPG equipment.
This document does not apply to compartmented road tankers.
NOTE 1   There is no upper size limit for the pressure vessel as this will be determined by the gross vehicle weight limitation.
NOTE 2   For further information on inspection and testing requirements of equipment other than the pressure vessel, accessories and vehicle LPG equipment, see applicable regulations.

This document specifies procedures for filling, discharge and handling operations as well as emergency procedures for rail tankers used for the transport of liquefied petroleum gas (LPG).
This document does not apply to “tank containers” and “batteries of receptacles”.

This document specifies filling, discharge and emergency procedures for road tankers equipped in accordance with EN 12252 used for the transport of liquefied petroleum gas (LPG).
This document does not apply to “batteries of receptacles”.

This document specifies the requirements for the installation of automotive LPG components that comply with EN 12805 and EN 12806.
These requirements are to ensure safe operation of such components.
This document does not cover type approval of LPG motor vehicles.
NOTE Type approval requirements are covered in UN/ECE Regulations and EU legislation.

This document specifies equipment and accessories for road tankers used for the transport of Liquefied Petroleum Gas (LPG) and identifies the equipment that is considered necessary to ensure that filling, transportation and discharge operations can be carried out safely. It specifies the requirements for the assembly of the accessories and the vehicle LPG equipment to the road tanker. This document also identifies additional equipment and accessories that can be used on road tankers carrying LPG.
This document does not preclude the use of alternative designs, materials and equipment testing which provide the same or a higher level of safety. ADR [9] requires that such alternative technical codes be recognized by the competent authority, provided that the minimum requirements of section 6.8.2 of ADR [9] are complied with.
This document does not apply to “tank-containers” or “battery-vehicles” used for the transport of LPG.

This document 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 document may also be applied at any other time, for example, when maintenance of the valve is necessary.

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.

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.

This document specifies the general design and testing requirements for all components in automotive Liquefied Petroleum Gas (LPG) propulsion systems, which have a maximum allowable pressure equal to or greater than 20 kPa.
This document also specifies the requirements for the Electric Control Unit (ECU), which is not subjected to pressure, and the gas-tight housing which has a maximum allowable pressure below 20 kPa.
This document does not apply to containers.

This document specifies minimum requirements for design and testing of contents gauges, which are directly connected to LPG transportable pressure vessels, LPG drums, LPG cylinders and static LPG pressure vessels above 0,5 l water capacity excluding those used for automotive containers.
This document includes minimum requirements for the safe interchangeability of telemetry equipment, which is either integral in or additional to the contents gauge.
This document does not apply to refineries or other process plants.

This document specifies requirements for the design, manufacture and testing of composite pipe for use with LPG in liquid phase and vapour pressure phase.
This document is applicable to LPG composite pipe having a maximum allowable pressure of less than or equal to 25 bar.
This document applies to pipe made from thermoplastics, which can include some degree of reinforcement.
It does not apply to fibre reinforced thermosets, commonly referred to as glass fibre reinforced plastic (GRP), nor rigid metals or corrugated metal pipe or hoses to EN ISO 10380 [6].
For the purpose of this document, composite pipe refers to the design requirements below:
a) Design 1: PE-based thick-walled pipe with multi-layer design without additional reinforcement than the wall thickness of the PE;
b) Design 2: Nylon-based multi-layer design with a polyester or aramid braid for reinforcement.
NOTE For installation of composite pipework systems, see EN 16125.

This document 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.
Protection caps or 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 document.
Cylinder valve caps and plugs can 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 can 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 document.
Reusable and single use sealing caps and plugs are included in this document.
This document 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.

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.

This document specifies the installation requirements for LPG propulsion systems on watercraft with hull lengths less than or equal to 24 m, as defined in EN ISO 8666 [11]. This document does not cover appliances with directly attached gas cylinders, such as portable self-contained camping stoves and portable gas lamps.

This document specifies the minimum design, construction, test requirements and the critical dimensions for filling nozzles for the dispensing of automotive Liquefied Petroleum Gas (LPG) to vehicles of categories M and N, as defined in Regulation (EU) 2018/858 [2], that are fitted with the Euro filling unit (light duty or heavy duty).

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.

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].

This document specifies the requirements for design, specification, type testing and production testing and inspection for dedicated LPG self-closing 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 A identifies requirements for production testing and inspection.
This document excludes other LPG cylinder devices which are not an integral part of the dedicated self-closing cylinder valve.
This document does not apply to cylinder valves for fixed automotive installations and ball valves.
NOTE         For manually operated LPG cylinder valves see ISO 15995. For cylinder valves for compressed, dissolved and other liquefied gases see ISO 10297, ISO 17871 or ISO 17879.

This document specifies minimum requirements for materials, design, construction and workmanship procedures, and tests for welded LPG road tanker pressure vessels and their welded attachments manufactured from carbon, carbon/manganese and micro alloy steels.
There is no upper size limit as this is determined by the gross vehicle weight limitation.
This document does not cover pressure vessels for pressure vessel containers.
NOTE 1 In the context of this document, the term "road tanker" is understood to mean "fixed tanks" and "demountable tanks" as defined in ADR.
NOTE 2 The equipment for the pressure vessels and the inspection and testing after assembly is covered by EN 12252 and EN 14334, respectively.
NOTE 3 The design type of the road tanker is subject to approval by the competent authority, as required by ADR.
NOTE 4 This document is intended for LPG only; however, for other liquefied gases see EN 14025.

This document specifies the design, testing and marking requirements for spring loaded pressure relief valves (PRV), for use in liquefied petroleum gas (LPG) cylinders of water capacity of 0,5 l up to and including 150 l.
These PRVs can be either an integral part of a cylinder valve (see EN ISO 14245 [4] and EN ISO 15995 [5]) or a separate device.

This document specifies requirements for the design and manufacture of static welded steel cylindrical pressure vessels, serially produced for the storage of liquefied petroleum gas (LPG) with a volume not greater than 13 m3 and for installation above or below ground.

This document specifies minimum requirements for the design, testing and production testing of valves, including appropriate fittings, which are connected to mobile or static LPG pressure vessels above 150 l water capacity. Pressure relief valves and their ancillary equipment, contents gauges and automotive LPG components are outside the scope of this document.
This document does not apply to refineries or other process plants.

This European Standard specifies procedures for periodic inspection and testing, for transportable refillable LPG cylinders with a water capacity from 0,5 l up to and including 150 l.
This European Standard is applicable to the following:
-   welded steel LPG cylinders manufactured to an alternative design and construction, see EN 14140 or equivalent standard;
-   welded aluminium LPG cylinders, see EN 13110 or equivalent standard;
-   composite LPG cylinders, see EN 14427 or equivalent standard;
-   over-moulded cylinders designed and manufactured according to EN 1442 or EN 14140, see Annex F.
NOTE   The requirements of RID/ADR take precedence over those of this standard in the case of cylinders complying with that regulation, including pi marked cylinders.
This European Standard does not apply to cylinders permanently installed in vehicles.

This European Standard specifies procedures for the periodic inspection and testing, of transportable refillable LPG cylinders with a water capacity from 0,5 l up to and including 150 l.
This European Standard is applicable to welded and brazed steel LPG cylinders with a specified minimum wall thickness designed according to EN 1442, EN 12807, EN 13322-1, or equivalent standard (e.g. national codes).
This European Standard is intended to be applied to cylinders complying with RID/ADR (including pi marked cylinders) and also to existing non RID/ADR cylinder populations.
NOTE   The requirements of RID/ADR take precedence over those of this standard in the case of cylinders complying with that regulation, including pi marked cylinders.
This European Standard does not apply to cylinders permanently installed in vehicles.

This document specifies basic connection dimensions of LPG cylinder valves (manufactured in accordance with EN ISO 14245 and EN ISO 15995) and connectors (including pressure regulators) to enable them to be safely connected together.
NOTE 1   Figure 1 (type G.1) to Figure 19 (type G.33) give the types of threaded outlet connections.
NOTE 2   Figure 20 (type G.50) to Figure 34 (type G.66) give the types of non-threaded outlet connections.
This document lists potentially unsafe connections where it might be possible to connect together, but which, when connected, might not be sound or secure in some operating conditions or orientations.
This document specifies a marking system that is intended to ensure that only valves and connecters that are marked with the same connector type number are used in combination.
This document also recommends tightening torques for the attachment of screwed metal-to-metal connections.
Quality assurance systems, production testing and particularly certificates of conformity are not covered in this document.
This document excludes connections for automotive vehicles covered by UN/ECE Regulation No. 67 Part 1 and EN 13760.
This document excludes connections for gas cartridges covered by EN 417.

This document specifies the requirements for the design, construction, testing, commissioning, operation and maintenance of LPG pipework in both the liquid phase and at full vapour pressure.
This document is applicable to LPG pipework having a maximum allowable pressure of less than or equal to 25 bar.
This document is applicable to new LPG pipework as well as to replacements of, or extensions to, existing LPG pipework.
This document is not applicable to:
-   pipelines and their accessories;
-   pipework for the propulsion systems of road vehicles or boats; and
-   pipework on ships.

This document specifies the minimum requirements for the design, construction and testing during manufacture of transportable refillable brazed steel Liquefied Petroleum Gas (LPG) cylinders, of water capacity from 0,5 l up to and including 15 l, exposed to ambient temperatures.
This document applies only to cylinders having a circular cross-section without any longitudinal joint.

This document defines the competence profiles and establishes procedures for assessing the competence of persons who carry out the installation, repairing and maintaining of automotive LPG systems in workshops covered in EN 16652-1 [2].
The requirements of this document do not apply to "Car manufacturer network repairers" (see 3.9) when performing the activities of repairing, servicing and maintenance of vehicles from manufacturers for which they are authorized and duly trained.

This document specifies requirements for:
a)   routine inspection, periodic inspection and requalification of fixed LPG pressure vessels of sizes greater than 13 m3, and associated fittings;
b)   marking pressure vessels and/or keeping records, as appropriate, as a result of routine inspection, periodic inspection and requalification.
This document excludes refrigerated storage.

This document specifies requirements for:
a)   routine inspection, periodic inspection and requalification of fixed LPG pressure vessels of sizes from 150 l up to and including 13 m3, and associated fittings;
b)   marking pressure vessels and/or keeping records, as appropriate, as a result of routine inspection, periodic inspection and requalification.
This document excludes refrigerated storage.

This document lists the terms and definitions for use in European Standards produced by CEN/TC 286.

This European Standard specifies the requirements for the operation of a cylinder filling plant to ensure that filling of transportable refillable LPG cylinders is carried out in a controlled and safe manner.
This document is applicable to the filling of cylinders complying with RID/ADR [10][11] (including pi marked cylinders) and also to existing non RID/ADR cylinder populations.
This document is applicable to the following:
-   welded and brazed steel LPG cylinders with a specified minimum wall thickness (see EN 1442 [1] and EN 12807 [2] or an equivalent standard);
-   welded steel LPG cylinders without specified minimum wall thickness (see EN 14140 [4] or an equivalent standard);
-   welded aluminium LPG cylinders (see EN 13110 [3] or an equivalent standard);
-   composite LPG cylinders (see EN 14427 [5] or an equivalent standard); and
-   over-moulded cylinders (OMC).
This document does not cover the requirements for filling LPG cylinders that are designed and equipped for filling by the user.

This European Standard specifies the minimum requirements for the design, construction and testing during manufacture of transportable refillable welded steel Liquefied Petroleum Gas (LPG) cylinders, of water capacity from 0,5 l up to and including 150 l.
This European Standard applies only to cylinders having a circular cross-section.
Cylinders designed and constructed to the requirements of this European Standard may be over-moulded; additional requirements for these cylinders set out in Annex B.

This European Standard sets out the requirements for automotive LPG working areas and procedures, aimed at reducing the risk of fire and explosion of LPG when the following types of work or activity are carried out:
a)   equipping vehicles with an LPG system to use LPG for propulsion purposes;
b)   maintenance, servicing and repairs to the LPG system;
c)   any other LPG vehicle maintenance, servicing or repairs not involving the LPG system.
The operations described in items a) and b) above are undertaken in dedicated LPG working areas, whereas item c) is undertaken in general service working areas.
This Standard does not address how to equip a vehicle with an LPG retrofit system or how to repair or maintain an LPG vehicle.
NOTE   Such provisions are normally provided in the instruction manuals issued by the relevant manufacturers.

This European Standard specifies the requirements for the reconditioning, retesting and certification of Pressure Relief Valves (PRVs) for LPG pressure vessels covered under the scope of EN 14129.
This European Standard applies to retesting and reconditioning of PRVs that are carried out in a workshop and does not apply to site adjustment of installed PRVs.
Annex A is an informative Annex detailing a sampling approach for PRV requalification which should only be used in case of on-site requalification of series produced pressure vessels fitted with series produced PRVs.

This European Standard specifies the minimum requirements for the design, construction and testing during manufacture of transportable refillable welded steel Liquefied Petroleum Gas (LPG) cylinders, of water capacity from 0,5 l up to and including 150 l, exposed to temperatures of -20 °C to +65 °C. It allows alternative design and construction methods to those required in EN 1442, including coated cylinders, over-moulded cylinders and cylinders for hot air balloons.
This European Standard applies only to pressure receptacles with a circular cross-section.
This European Standard does not include the equipping of the cylinders with valves and other service equipment.

This European Standard specifies the minimum requirements for the design, construction and testing during manufacture of transportable refillable welded steel Liquefied Petroleum Gas (LPG) cylinders, of water capacity from 0,5 l up to and including 150 l, exposed to temperatures of -20 °C to +65 °C. It allows alternative design and construction methods to those required in EN 1442, including coated cylinders, over-moulded cylinders and cylinders for hot air balloons.
This European Standard applies only to pressure receptacles with a circular cross-section.
This European Standard does not include the equipping of the cylinders with valves and other service equipment.

Protection of the environment needs to be considered during the total life-cycle of a particular product, e.g. impact on the environment including expenditure of energy during all phases of its life-cycle, from mining of raw materials, production, testing, packaging, distribution, maintenance and use, end-of-life disposal and recycling of materials, etc.
This Technical Specification provides information on the environmental aspects of equipment and accessories produced for the LPG industry. The following is addressed:
a)   design;
b)   manufacture;
c)   packaging;
d)   use and operation;
e)   disposal.

This European Standard specifies the minimum requirements for the material, design, construction, workmanship, equipping, inspection and testing at manufacture of transportable, refillable welded steel pressure drums of volumes over 150 l up to and including 1 000 l for Liquefied Petroleum Gases (LPG).
Vertical and horizontal cylindrical receptacles are covered.

This European Standard specifies requirements for the equipping of LPG pressure vessels, overground and underground, with a volume not greater than 13 m3 manufactured in accordance with EN 12542 or equivalent and have been hydraulically tested.
The equipment covered by this European Standard is directly mounted onto the pressure vessel connections.
This European Standard excludes the equipping of depot storage vessels and refrigerated storage vessels.

This European Standard covers the equipment and installation requirements for LPG refuelling installations, which are required to safely dispense LPG at commercial and industrial premises.
This European Standard does not cover public LPG filling stations.
This European Standard does not cover nautical LPG refuelling installations.
This European Standard does not cover on-site and off-site safety distances.

This European Standard covers the requirements for the design, manufacture, testing and marking of LPG dispensers for automotive LPG filling stations with a maximum allowable pressure of 25 bar (2 500 kPa), where the piping has a maximum DN 40 and any vessel fitted has a volume less than 2 l.  
This European Standard covers the requirements for the LPG parts in multi-fuel dispensers.
This European Standard does not cover dispensers with integral pumps.
This European Standard may also be used for piping greater than DN 40 and/or vessels greater than 2 l, but then the PED [20] should also be consulted.
This European Standard does not include any requirement for metering performance.

This European Standard covers the installation requirements, on fixed LPG filling stations and on multi-fuel filling stations, for the automotive LPG equipment and components, which are required to safely dispense automotive LPG.
This European Standard does not cover on-site and off-site safety distances.
NOTE   Users of this European Standard should be aware that National regulations may be in place covering all or some of the requirements of this European Standard. National regulations over-ride any requirement in this European Standard in the states where they apply.

This European Standard specifies methods for the safe gas freeing and disposal of refillable LPG cylinders manufactured from steel, composite materials and aluminium, of water capacity 0,5 litres up to and including 150 litres.
This European Standard is applicable to the following:
-   welded and brazed steel LPG cylinders with a specified minimum wall thickness (see EN 1442 and EN 12807 or equivalent standard);
-   welded steel LPG cylinders without specified minimum wall thickness (see EN 14140 or equivalent standard);
-   welded aluminium LPG cylinders (see EN 13110 or equivalent standard);
-   composite LPG cylinders (see EN 14427 or equivalent standard).
This European Standard is intended to be applied to cylinders complying with ADR (including pi marked cylinders) and also to existing non ADR cylinder populations.

This European Standard specifies methods for the safe gas freeing and disposal of LPG tanks and drums above 150-litre water capacity.
This European Standard is applicable to the following:
-   tanks manufactured in accordance with EN 12542;
-   drums manufactured in accordance with EN 14893, and
-   LPG tanks and drums manufactured in accordance with any other pressure vessel code.

This European Standard specifies the minimum requirements for the contents of the user manual for Automotive LPG propulsion systems fitted in road vehicles.
This standard does not cover the user manual for forklift trucks or other industrial machinery.