FprEN 15609

SLOVENSKI STANDARD
oSIST prEN 15609:2020
01-maj-2020
Oprema in pribor za utekočinjeni naftni plin (UNP) - Pogonski sistemi na UNP za
čolne, jahte in druga vodna plovila - Zahteve za vgradnjo

LPG equipment and accessories - LPG propulsion systems for boats, yachts and other

Flüssiggas (LPG) Geräte und Ausrüstungsteile - Flüssiggas (LPG) Antriebssysteme für

Equipements pour gaz de pétrole liquéfié et leurs accessoires - Systèmes de propulsion

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

Equipements pour gaz de pétrole liquéfié et leurs Flüssiggas (LPG) Geräte und Ausrüstungsteile -

accessoires - Systèmes de propulsion GPL des bateaux, Flüssiggas (LPG) Antriebssysteme für Boote, Jachten

This draft European Standard is submitted to CEN members for enquiry. It has been drawn up by the Technical Committee

If this draft becomes a European Standard, CEN members are bound to comply with the CEN/CENELEC Internal Regulations

which stipulate the conditions for giving this European Standard the status of a national standard without any alteration.

This draft European Standard was established by CEN in three official versions (English, French, German). A version in any other

language made by translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC

CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,

Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,

Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and

Recipients of this draft are invited to submit, with their comments, notification of any relevant patent rights of which they are

Warning : This document is not a European Standard. It is distributed for review and comments. It is subject to change without

© 2020 CEN All rights of exploitation in any form and by any means reserved Ref. No. prEN 15609:2020 E

European foreword ....................................................................................................................................................... 4

Introduction .................................................................................................................................................................... 5

1 Scope .................................................................................................................................................................... 6

2 Normative references .................................................................................................................................... 6

3 Terms and definitions ................................................................................................................................... 7

4 Components ................................................................................................................................................... 11

4.1 Overview ......................................................................................................................................................... 11

4.2 LPG containers/cylinders ......................................................................................................................... 11

4.3 Fuel system components ........................................................................................................................... 12

5 Installation requirements ......................................................................................................................... 13

5.1 General requirements ................................................................................................................................ 13

5.2 Installer of a permanently installed LPG system .............................................................................. 14

5.3 Additional LPG systems ............................................................................................................................. 14

5.4 Modifications to the structure of the watercraft .............................................................................. 15

5.5 LPG container/cylinder installation ..................................................................................................... 15

5.6 Components fitted to the fixed container ............................................................................................ 17

5.7 Gas pipes and hoses ..................................................................................................................................... 18

5.8 Other components ....................................................................................................................................... 19

5.9 Electrical installation .................................................................................................................................. 21

5.10 Fuel selection system .................................................................................................................................. 22

5.11 Gas detection.................................................................................................................................................. 22

5.12 Forced ventilation ........................................................................................................................................ 23

6 Fire-extinguishing equipment ................................................................................................................. 23

7 Owner's manual ............................................................................................................................................ 24

8 Commissioning .............................................................................................................................................. 24

8.1 Tightness test – fixed containers ............................................................................................................ 24

8.2 Initial filling of the container and the system with LPG ................................................................. 24

8.3 LPG system test ............................................................................................................................................. 24

8.4 Water trial....................................................................................................................................................... 24

Annex A (normative) Fixing requirements for containers/cylinders with a capacity up to

and including 150 l ...................................................................................................................................... 25

A.1 General requirements ................................................................................................................................ 25

A.2 Container frame ............................................................................................................................................ 26

Annex B (normative) Fixing requirements for containers with a capacity over 150 l ..................... 27

B.1 General requirements ................................................................................................................................ 27

B.2 Container frame ............................................................................................................................................ 27

Annex C (normative) Cylinder securing requirements ............................................................................... 28

C.1 Removable LPG cylinders .......................................................................................................................... 28

C.2 Permanently installed LPG cylinders.................................................................................................... 28

C.3 LPG cylinders more than 16 kg ................................................................................................................ 28

Annex D (normative) Instructions to be included in the owner's manual ............................................ 31

D.1 General requirements ................................................................................................................................. 31

D.2 Availability of LPG supply .......................................................................................................................... 31

D.3 Position and operation of emergency shut-off valve ....................................................................... 31

D.4 Safety instructions to be included in the manual .............................................................................. 31

D.5 Instruction for the normal use of the LPG system ............................................................................ 32

Annex E (normative) Additional test requirements for vaporisers ........................................................ 35

Annex F (informative) Installation of more than one container .............................................................. 37

Annex G (informative) Example of installation certificate ......................................................................... 39

Annex H (informative) Types of LPG Propulsion systems .......................................................................... 40

H.1 Hybrid electric LPG propulsion ............................................................................................................... 40

H.2 LPG generator set ......................................................................................................................................... 41

Annex ZA (informative) Relationship between this European Standard and the essential

requirements of Directive 2013/53/EU aimed to be covered ..................................................... 43

Bibliography ................................................................................................................................................................. 46

This document (prEN 15609:2020) has been prepared by Technical Committee CEN/TC 286 “LPG

This document has been prepared under a standardization request given to CEN by the European

Commission and the European Free Trade Association and supports essential requirements of

For relationship with EU Directive(s), see informative Annex ZA, which is an integral part of this

— addition of Annex Z.A, Relationship between this document and the Essential Requirements of EU

— Updated text to paragraphs 3.3.3, 5.1.2.1, 5.2, 5.3.5, 5.5.1.3, 5.5.3.4, 5.5.5.3

This document specifies requirements for the installation of equipment for the use of Liquefied

This document calls for the use of substances and procedures that can be injurious to health if adequate

Protection of the environment is a key political issue in Europe and elsewhere, for TC 286 this is covered

in CEN/TS 16765 [2] LPG equipment and accessories - Environmental considerations for CEN/TC 286

standards, and this Technical Specification should be read in conjunction with this standard.

It has been assumed in the drafting of this document that the execution of its provisions is entrusted to

This document specifies the requirements for LPG propulsion systems on watercraft with hull lengths

This document does not cover appliances with directly attached gas cylinders, such as portable self-

The following documents are referred to in the text in such a way that some or all of their content

constitutes requirements of this document. For dated references, only the edition cited applies. For

undated references, the latest edition of the referenced document (including any amendments) applies.

EN 1442, LPG equipment and accessories - Transportable refillable welded steel cylinders for LPG - Design

EN 12806:2003, Automotive liquefied petroleum gas components - Other than containers

EN 12864, Low-pressure, non adjustable regulators having a maximum outlet pressure of less than or equal

to 200 mbar, with a capacity of less than or equal to 4 kg/h, and their associated safety devices for butane,

EN 13110, Transportable refillable welded aluminium cylinders for liquefied petroleum gas (LPG) — Design

EN 14140, LPG equipment and accessories - Transportable refillable welded steel cylinders for LPG -

EN 14427, LPG equipment and accessories - Transportable refillable fully wrapped composite cylinders for

EN 28846, Small craft — Electrical devices — Protection against ignition of surrounding flammable gases

EN 3-7, Portable fire extinguishers - Part 7: Characteristics, performance requirements and test methods

EN ISO 898-1:2009, Mechanical properties of fasteners made of carbon steel and alloy steel — Part 1: Bolts,

screws and studs with specified property classes — Coarse thread and fine pitch thread (ISO 898-1:2009)

EN ISO 9094:2015, Small craft — Fire protection — Part 1: Craft with a hull length of up to and including

EN ISO 10133, Small craft - Electrical systems - Extra-low-voltage d.c. installations (ISO 10133:2012)

EN ISO 10239, Small craft - Liquefied petroleum gas (LPG) systems (ISO 10239:2014)

EN ISO 11105, Small craft - Ventilation of petrol engine and/or petrol tank compartments (ISO 11105:1997)

EN ISO 11591, Small craft - Field of vision from the steering position (ISO 11591:2019)

EN ISO 12217 (all parts), Small craft — Stability and buoyancy assessment and categorization

EN ISO 13297, Small craft - Electrical systems - Alternating current installations (ISO 13297)

For the purposes of this document, the terms and definitions given in EN 12806:2003 and the following

ISO and IEC maintain terminological databases for use in standardization at the following addresses:

low pressure liquefied gas composed of one or more light hydrocarbons which are assigned to either UN

1011, UN 1075, UN 1965, UN 1969 or UN 1978 only, and which consist mainly of propane, propene,

engine used for propulsion of the watercraft that is mounted so that the engine is outside the hull of the

person which by combination of appropriate qualification, training, experience, and resources, is able to

assembly of the pressure envelope (including the openings and their closures) and non-pressure-

self-closing valve which automatically, without the assistance of any energy other than that of the vapour

concerned, discharges vapour at a predetermined pressure, and operates with a pop action

device designed to automatically reduce the filling rate to a minimal flow when the fill level reaches a

Note 1 to entry: In marine applications, the predetermined amount is 80 % of the water capacity.

component protecting the pressure vessel from bursting by venting the LPG content at a pre-set

valve designed to close automatically, with a small residual flow, when the fluid flow passing through it

exceeds a predetermined value, and to re-open when the pressure differential across the valve has been

device that vaporises LPG, reduces and/or regulates the outlet pressure to a pre-set value independent

Note 1 to entry: The shut-off valve can be integrated in the vaporizer/regulator.

self-closing valve which automatically, without the assistance of any energy other than that of the fluid

assembly of ducts and an electrical ventilator that is capable of extracting hydrocarbons from the inside

ventilated enclosure intended solely for storage of one or more LPG containers, pressure regulators and

safety devices, and located on the exterior of the boat where any leakage would flow overboard

gas-tight (to the craft) enclosure with an overboard drain, where any leakage would flow overboard,

intended solely for storage of one or more LPG containers in a cockpit or recess in the watercraft

capable of being reached for inspection, removal or maintenance without the removal of permanent

Note 1 to entry: Hatches are not regarded as permanent watercraft structures in this sense, even if tools such as

capable of being reached for operation, inspection or maintenance without the removal of any watercraft

structure, the use of any tools or the removal of any item of portable equipment stowed in places intended

Note 1 to entry: Hatches are not regarded as permanent watercraft structures in this sense.

person or organisation who, due to qualifications, training, experience and resources, can assume

appliance that is designed for heating, cooking, lighting, refrigeration, hot water production or electricity

area within the watercraft that can retain water, however briefly, due to rain, waves, boat heeling, etc

Note 1 to entry: Cockpits are normally designed for the accommodation of people but, for the purpose of this

European Standard, the term “cockpit” is used either for a proper cockpit or for any other type of recess. This means

that bulwarks can create a large cockpit, cockpit(s) can be situated anywhere in the boat and a cockpit can open aft

valve that provides a leak-tight seal which is operated either manually, remotely or is self-closing

revealing of the presence of LPG due to exposure outside the LPG containment system

engine designed to operate two separate fuel systems and to run either on LPG or an alternative fuel

assembly of the pressure-retaining envelope (including the openings and their closures) and non-

fuel system that feeds the engine by injecting liquid LPG directly into the intake manifold or directly in

the combustion chamber, where it vaporises, and not use a reducer/vaporizer device

Individual components of the system, and the system as a whole, shall be designed to withstand the

combined conditions of pressure, vibration, shocks, corrosion and movement encountered under normal

All materials used in LPG systems shall be compatible with LPG and with other liquids or compounds

with which it might come into contact under normal operating conditions, e.g. grease, lubricating oil, bilge

Efforts should be made to prevent grease, lubricating oil, bilge solvents and other chemicals from

The LPG container(s) shall be protected from corrosion in the marine environment by an adequate

surface treatment system, or be constructed from materials suited to the marine environment.

For the purpose of this standard, two types of LPG pressure vessels are identified:

LPG cylinders can be used in the liquid or gas/vapour phase to fuel the engine of a watercraft depending

The quantity of LPG fuel on board shall be indicated by the use of cylinders fitted with contents gauges or

Fixed containers shall comply with EN 12805, ISO 20826 or an equivalent standard.

Consideration should be given to the potential of liquid movement within the fixed container and

measures put in place. e.g. appropriate design by installing a number of baffles inside.

The fixed container shall be equipped with the following components, which can be either separate or

e) remotely controlled service valve with excess flow valve or equivalent function with an electronically

The filler valve shall incorporate a double non-return valve which shall comply with Annex G of

Pressure regulators/vaporisers shall comply with EN 12806 and shall be suitable for use in the marine

The materials of the pressure regulators/vaporizer, which are in contact with the engine coolant, shall be

compatible with the coolant and shall be designed to withstand a pressure of 200 kPa of the heat

Pressure regulators/vaporisers shall be tested for corrosion resistance in accordance with Annex E.

The following components of the fuel system, where used, shall comply with EN 12806:2003 and shall be

Additional equipment required for the effective operation of the engine, not covered by EN 12806:2003,

shall only be installed in parts of the LPG system where the pressure is less than 20kPa.

5.1.1 The LPG system shall be installed by a competent person, taking into account the manufacturer's

instructions and sound engineering practices in addition to each of the requirements in 5.1.

5.1.2 All parts of the LPG system, with the exception of the cylinder(s), shall be permanently installed.

5.1.4 LPG container(s)/cylinder(s) shall be in a specific compartment with its own overboard drain.

5.1.8 All valves and other components intended to be manually operated or observed during the

normal operation of the watercraft, or for emergency purposes, shall be readily accessible.

5.1.10 No component of the LPG system shall be located within 100 mm of the exhaust or similar heat

5.1.11 Clearance between dry exhaust components and an LPG container/cylinder shall not be less than