SIST EN 1439:2022
(Main)LPG equipment and accessories - Procedure for checking transportable refillable LPG cylinders before, during and after filling
LPG equipment and accessories - Procedure for checking transportable refillable LPG cylinders before, during and after filling
This document specifies the procedures to be adopted when checking transportable refillable LPG cylinders before, during and after filling.
This document applies 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 cover the requirements for filling LPG cylinders that are designed and equipped for filling by the user.
This document does not cover 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 draft standard is intended to be applied to cylinders complying with RID/ADR [6] [7] (including pi marked cylinders) and also to existing non RID/ADR cylinder populations.
Flüssiggas-Geräte und Ausrüstungsteile - Kontrollverfahren für Flaschen für Flüssiggas (LPG) vor, während und nach dem Füllen
Dieses Dokument legt die Verfahren zur Überprüfung von ortsbeweglichen, wiederbefüllbaren Flaschen für Flüssiggas (LPG, en: liquefied petroleum gas) vor, während und nach dem Füllen fest.
Dieses Dokument ist für ortsbewegliche, wiederbefüllbare Flaschen für Flüssiggas (LPG) mit einem Fassungsraum von höchstens 150 l anwendbar, die mit Ventilen nach EN ISO 14245 [4] und EN ISO 15995 [5] ausgestattet werden.
Dieses Dokument ist nicht anzuwenden für die Anforderungen für das Füllen von Flaschen für Flüssiggas (LPG), die für das Füllen durch den Benutzer ausgelegt und ausgerüstet sind.
Dieses Dokument ist nicht anzuwenden für die Anforderungen für das Füllen von Behältern für Flüssiggas (LPG) auf Fahrzeugen.
Dieses Dokument ist anzuwenden für Folgendes:
— geschweißte und hartgelötete Flaschen aus Stahl für Flüssiggas (LPG) mit festgelegter Mindest-wanddicke (siehe EN 1442 und EN 12807 [1] oder eine gleichwertige Norm);
— geschweißte Flaschen aus Stahl für Flüssiggas (LPG) ohne festgelegte Mindestwanddicke (siehe EN 14140 oder eine gleichwertige Norm);
— geschweißte Flaschen aus Aluminium für Flüssiggas (LPG) (siehe EN 13110 [2] oder eine gleichwertige Norm);
— Flaschen aus Verbundwerkstoff für Flüssiggas (LPG) (siehe EN 14427 oder eine gleichwertige Norm); und
— umformte Flaschen (OMC, en: over moulded cylinders).
Spezifische Anforderungen für verschiedene Flaschentypen sind in Anhang A, Anhang B, Anhang C, Anhang D und Anhang G beschrieben.
Dieses Dokument ist für die Anwendung bei Flaschen nach RID/ADR [6] [7] (einschließlich Flaschen mit Pi Kennzeichnung) vorgesehen, sowie für bestehende Flaschengruppen, die nicht RID/ADR entsprechen.
Équipements pour GPL et leurs accessoires - Procédure de vérification des bouteilles transportables et rechargeables pour GPL avant, pendant et après le remplissage
Le présent document décrit les procédures à employer lors de la vérification des bouteilles pour GPL transportables et rechargeables, avant, pendant et après le remplissage.
Le présent document s'applique aux bouteilles transportables et rechargeables pour gaz de pétrole liquéfié (GPL), d'une capacité en eau ne dépassant pas 150 l et réputées être équipées de robinets conçus conformément à l'EN ISO 14245 [4] et à l'EN ISO 15995 [5].
Le présent document ne s'applique pas aux exigences de remplissage des bouteilles pour GPL conçues et équipées pour être remplies par l'utilisateur.
Le présent document ne s'applique pas aux exigences concernant le remplissage de réservoirs GPL sur les véhicules.
Le présent document s'applique aux éléments suivants :
bouteilles pour GPL en acier soudé et brasé, avec une épaisseur minimale de paroi définie (voir l'EN 1442 et l'EN 12807 [1] ou une norme équivalente) ;
bouteilles pour GPL en acier soudé, sans épaisseur minimale de paroi définie (voir l'EN 14140 ou une norme équivalente) ;
bouteilles pour GPL en aluminium soudé (voir l'EN 13110 [2] ou une norme équivalente) ;
bouteilles pour GPL en matériau composite (voir l'EN 14427 ou une norme équivalente) ; et
bouteilles surmoulées (OMC).
Les exigences spécifiques relatives aux différents types de bouteilles sont décrites en détail dans les Annexes A, B, C, D et G.
Il est prévu que le présent document soit applicable à des bouteilles conformes au RID/ADR [6] [7] (y compris les bouteilles comportant un marquage pi), ainsi qu'aux familles de bouteilles existantes non conformes au RID/ADR.
Oprema in pribor za utekočinjeni naftni plin (UNP) - Postopek za preverjanje premičnih, ponovno polnjivih jeklenk za UNP pred polnjenjem, med njim in po njem
Ta dokument določa postopke, ki jih je treba sprejeti pri preverjanju prenosnih ponovno polnljivih jeklenk za utekočinjeni naftni plin, pred in med polnjenjem ter po polnjenju.
Ta dokument se uporablja za prenosne ponovno polnljive jeklenke za utekočinjeni naftni plin s prostornino vode, ki ne presega 150 l, za katere je predvideno, da so opremljene z ventili, zasnovanimi v skladu s standardoma EN ISO 14245 [4] in EN ISO 15995 [5].
Ta dokument ne zajema zahtev za polnjenje jeklenk za utekočinjeni naftni plin, ki so zasnovane in opremljene za polnjenje s strani uporabnika.
Ta dokument ne zajema zahtev za polnjenje posod za utekočinjeni naftni plin na vozilih.
Ta dokument se uporablja za naslednje izdelke:
– varjene in trdo spajkane jeklenke za utekočinjeni naftni plin iz jekla z določeno minimalno debelino stene (glej standarda EN 1442 in EN 12807 [1] ali enakovreden standard);
– varjene jeklenke za utekočinjeni naftni plin iz jekla brez določene minimalne debeline stene (glej standard EN 14140 ali enakovreden standard);
– varjene jeklenke za utekočinjeni naftni plin iz aluminija (glej standard EN 13110 [2] ali enakovreden standard);
– kompozitne jeklenke za utekočinjeni naftni plin (glej standard EN 14427 ali enakovreden standard); in
– prelite jeklenke (OMC).
Posebne zahteve za različne vrste jeklenk so podrobno opisane v dodatku A, dodatku B, dodatku C, dodatku D in dodatku G.
Ta osnutek standarda se uporablja za jeklenke v skladu z določbami RID/ADR [6][7] (vključno z jeklenkami z oznako pi) in tudi za obstoječe jeklenke, ki niso v skladu z določbami RID/ADR.
General Information
Relations
Standards Content (Sample)
SLOVENSKI STANDARD
SIST EN 1439:2022
01-januar-2022
Nadomešča:
SIST EN 1439:2018
Oprema in pribor za utekočinjeni naftni plin (UNP) - Postopek za preverjanje
premičnih, ponovno polnjivih jeklenk za UNP pred polnjenjem, med njim in po
njem
LPG equipment and accessories - Procedure for checking transportable refillable LPG
cylinders before, during and after filling
Flüssiggas-Geräte und Ausrüstungsteile - Kontrollverfahren für Flaschen für Flüssiggas
(LPG) vor, während und nach dem Füllen
Équipements pour GPL et leurs accessoires - Procédure de vérification des bouteilles
transportables et rechargeables pour GPL avant, pendant et après le remplissage
Ta slovenski standard je istoveten z: EN 1439:2021
ICS:
23.020.35 Plinske jeklenke Gas cylinders
SIST EN 1439:2022 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
---------------------- Page: 1 ----------------------
SIST EN 1439:2022
---------------------- Page: 2 ----------------------
SIST EN 1439:2022
EN 1439
EUROPEAN STANDARD
NORME EUROPÉENNE
October 2021
EUROPÄISCHE NORM
ICS 23.020.35 Supersedes EN 1439:2017
English Version
LPG equipment and accessories - Procedure for checking
transportable refillable LPG cylinders before, during and
after filling
Équipements pour GPL et leurs accessoires - Procédure Flüssiggas-Geräte und Ausrüstungsteile -
de vérification des bouteilles transportables et Kontrollverfahren für Flaschen für Flüssiggas (LPG)
rechargeables pour GPL avant, pendant et après le vor, während und nach dem Füllen
remplissage
This European Standard was approved by CEN on 6 September 2021.
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. Up-to-date lists and bibliographical references
concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN
member.
This European Standard exists 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 Management
Centre has the same status as the official versions.
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
United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2021 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 1439:2021 E
worldwide for CEN national Members.
---------------------- Page: 3 ----------------------
SIST EN 1439:2022
EN 1439:2021 (E)
Contents Page
European foreword . 3
Introduction . 4
1 Scope . 5
2 Normative references . 5
3 Terms and definitions . 6
4 Segregation of cylinders prior to filling . 7
4.1 General. 7
4.2 Cylinders suitable for filling . 8
4.3 Cylinders for periodic inspection. 8
4.4 Cylinders requiring further assessment . 8
5 Reassessment of cylinders. 8
6 Filling conditions . 9
7 Post filling checks . 9
7.1 Check of filled amount. 9
7.2 Action necessary for over/under-filled cylinders . 9
7.3 Final checks . 9
Annex A (normative) Specific requirements for welded and brazed steel LPG cylinders . 10
Annex B (normative) Specific requirements for welded steel LPG cylinders in accordance
with EN 14140 or equivalent standard . 13
Annex C (normative) Specific requirements for welded aluminium LPG cylinders . 18
Annex D (normative) Specific requirements for composite LPG cylinders . 20
Annex E (normative) Safe filling conditions . 30
Annex F (normative) Flow diagram of the checks before, during and after filling . 31
Annex G (normative) Specific inspection procedure for over-moulded cylinder (OMC) . 32
Annex H (informative) Example of an Over-Moulded Cylinder . 34
Bibliography . 35
2
---------------------- Page: 4 ----------------------
SIST EN 1439:2022
EN 1439:2021 (E)
European foreword
This document (EN 1439:2021) has been prepared by Technical Committee CEN/TC 286 “Liquefied
petroleum gas equipment and accessories”, the secretariat of which is held by NSAI.
This European Standard shall be given the status of a national standard, either by publication of an
identical text or by endorsement, at the latest by April 2022, and conflicting national standards shall be
withdrawn at the latest by April 2022.
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CEN shall not be held responsible for identifying any or all such patent rights.
This document has been prepared under a Standardization Request given to CEN by the European
Commission and the European Free Trade Association.
This document supersedes EN 1439:2017.
In comparison with the previous edition, the main changes were performed in Annex D for composite
cylinders. Additional technical modifications have been made as follows:
— Clause 2 has been updated;
— definitions have been updated and modified (Clause 3);
— changes in requirement to Clause 4.2 d);
— changes in requirement to Annex B.
This document has been submitted for reference in:
— the RID and/or
— the technical annexes of the ADR.
NOTE These regulations take precedence over any clause of this document. It is emphasized that RID/ADR are
being revised regularly at intervals of two years which can lead to temporary non-compliances with the clauses of
this document.
Any feedback and questions on this document should be directed to the users’ national standards body.
A complete listing of these bodies can be found on the CEN website.
According to the CEN-CENELEC Internal Regulations, the national standards organisations of the
following countries are bound to announce this Technical Specification: 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 the United
Kingdom.
3
---------------------- Page: 5 ----------------------
SIST EN 1439:2022
EN 1439:2021 (E)
Introduction
This document calls for the use of substances and procedures that can be injurious to health if adequate
precautions are not taken. It refers only to technical suitability and does not absolve the user from legal
obligations relating to health and safety at any stage.
It has been assumed in the drafting of this document that the execution of its provisions is entrusted to
appropriately qualified and experienced people. Where judgements are called for, it has been assumed
that they are made by competent persons who have been trained specifically for the tasks.
Protection of the environment is a key political issue in Europe and elsewhere. For CEN/TC 286 this is
covered in CEN/TS 16765 [3] and this Technical Specification should be read in conjunction with this
document. This Technical Specification provides guidance on the environmental aspects to be considered
regarding equipment and accessories produced for the LPG industry and the following is addressed:
a) design;
b) manufacture;
c) packaging;
d) use and operation; and
e) disposal.
4
---------------------- Page: 6 ----------------------
SIST EN 1439:2022
EN 1439:2021 (E)
1 Scope
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.
2 Normative references
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 549, Rubber materials for seals and diaphragms for gas appliances and gas equipment
EN 1440, LPG equipment and accessories - Transportable refillable traditional welded and brazed steel
Liquefied Petroleum Gas (LPG) cylinders - Periodic inspection
EN 1442, LPG equipment and accessories - Transportable refillable welded steel cylinders for LPG - Design
and construction
EN 10028-7, Flat products made of steels for pressure purposes - Part 7: Stainless steels
EN 12816, LPG equipment and accessories - Transportable refillable LPG cylinders - Disposal
EN 13952, LPG equipment and accessories - Filling operations for LPG cylinders
EN 14140:2014, LPG equipment and accessories - Transportable refillable welded steel cylinders for LPG -
Alternative design and construction
5
---------------------- Page: 7 ----------------------
SIST EN 1439:2022
EN 1439:2021 (E)
EN 14427, LPG equipment and accessories - Transportable refillable fully wrapped composite cylinders for
LPG - Design and construction
EN 14894, LPG equipment and accessories - Cylinder and drum marking
EN 15202, LPG equipment and accessories - Essential operational dimensions for LPG cylinder valve outlet
and associated equipment connections
EN 16728, LPG equipment and accessories - Transportable refillable LPG cylinders other than traditional
welded and brazed steel cylinders - Periodic inspection
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
ISO and IEC maintain terminological databases for use in standardization at the following addresses:
— ISO Online browsing platform: available at https://www.iso.org/obp
— IEC Electropedia: available at https://www.electropedia.org/
3.1
liquefied petroleum gas
LPG
low pressure liquefied gas composed of one or more light hydrocarbons which are assigned to UN 1011,
UN 1075, UN 1965, UN 1969 or UN 1978 only and which consists mainly of propane, propene, butane,
butane isomers, butene with traces of other hydrocarbon gases
3.2
competent person
person which by combination of appropriate qualification, training, experience, and resources, is able to
make objective judgments on the subject
3.3
over-moulded cylinder
OMC
pressure receptacle intended for the carriage of LPG of a water capacity not exceeding 13 l made of a
coated steel inner cylinder with an over-moulded protective case made from cellular plastic, which is non
removable and bonded to the outer surface of the steel cylinder wall
3.4
periodic inspection
activities carried out at specified intervals, such as examining, measuring, testing or gauging the
characteristics of a pressure vessel or a pressure receptacle and comparing these with specified
requirements
3.5
filled to a level
filled to a fixed level using a fixed liquid level device
3.6
filled by mass
filled with LPG using a weighing machine
6
---------------------- Page: 8 ----------------------
SIST EN 1439:2022
EN 1439:2021 (E)
3.7
filled by volume
filled with a fixed volume of LPG
3.8
reconditioning
major repairs to cylinders, which can include hot work, welding or de-denting carried out by specialists
away from potential sources of flammable air/gas mixture
3.9
tare mass
sum of the mass of the empty cylinder, the mass of the valve including a dip tube where fitted, and the
mass of all other parts that are permanently attached to the cylinder when it is being filled, e.g. fixed valve
guard
3.10
filling plant
facility where filling and checking of LPG cylinders takes place
3.11
protective casing
layer of protective material which gives mechanical protection which, either cannot be removed without
destroying it or is only removable with special tools or is bonded to the cylinder wall
Note 1 to entry: This definition can be applied to cylinders with over-moulded layers or with separate casings.
3.12
filling ratio
ratio of the mass of gas introduced into a cylinder or pressure drum to the mass of water at 15 °C that
would fill the same cylinder or pressure drum fitted ready for use
3.13
competent authority
authority or authorities or any other body or bodies designated as such in each State and in each specific
case in accordance with domestic law
3.14
reference temperature
temperature used for the calculation of the safe filling quantity
4 Segregation of cylinders prior to filling
4.1 General
Cylinders shall be checked and segregated into the categories specified in 4.2 to 4.4 by a competent
person.
The flow diagram of the checks before, during and after filling given in Annex F (Figure F.1) shall be
followed.
7
---------------------- Page: 9 ----------------------
SIST EN 1439:2022
EN 1439:2021 (E)
4.2 Cylinders suitable for filling
The cylinder shall be deemed suitable for filling if the following conditions apply:
a) tare indication and water capacity are marked;
b) allowed quantity and identification of the product (butane, propane or mixtures thereof, the
properties of which were considered for the design of the cylinder) are indicated;
c) cylinder is within the test date as determined from the marked manufacture date or periodic
inspection date;
d) cylinder and valve do not have unacceptable physical damage, corrosion or other defects. For metallic
cylinders, the inspection of the foot-ring for corrosion or damage shall determine the need for a more
thorough external visual examination of the cylinder base;
e) cylinder is fitted with a pressure relief valve, if required by the manufacturing standard; and
f) when cylinders are filled to a level, the fixed liquid level device shall be checked for operability.
4.3 Cylinders for periodic inspection
A cylinder shall be set aside for periodic inspection in accordance with EN 1440 or EN 16728 when either
of the following conditions apply:
a) cylinder is out of test date; or
b) cylinder cannot be confirmed to be within test date.
4.4 Cylinders requiring further assessment
A cylinder shall be set aside for further assessment (see Clause 5), if:
a) the tare indication of a cylinder, filled by mass, is missing or illegible;
b) the water capacity of a cylinder, filled by volume, is missing or illegible;
c) the cylinder is judged to have unacceptable physical damage, corrosion or other defects;
d) the valve or pressure relief valve (if fitted) is damaged, severely corroded or has been previously
identified as leaking.
Cylinders identified as leaking shall be made safe prior to their reassessment.
5 Reassessment of cylinders
Cylinders that have been set aside (see 4.4) shall be examined by a competent person who shall determine
if they are suitable for filling or if they shall be sent for reconditioning, where permitted by the
appropriate annex of this document, or disposal in accordance with EN 12816 (where applicable).
Cylinders that are intended to be filled by mass, and where the indication of tare weight is missing or
illegible, shall be reassessed and have the indication of the tare mass applied in accordance with
EN 14894.
Cylinders that are intended to be filled by volume, and where the indication of water capacity is missing
or illegible, shall be reassessed and have the indication of the water capacity applied in accordance with
EN 14894.
8
---------------------- Page: 10 ----------------------
SIST EN 1439:2022
EN 1439:2021 (E)
Leaking cylinders and cylinders with damaged or leaking valves shall be safely vented. Cylinders leaking
through the body shall be disposed of in accordance with EN 12816 (where applicable). Leaking or
damaged valves shall be repaired or replaced. Replacement valve seals shall comply with the
requirements of EN 549 and EN 15202.
Valves can be removed from and refitted safely to a pressurized LPG cylinder, provided the facility
includes dedicated equipment. This equipment shall only be operated by a competent person working in
accordance with a written procedure.
The filling plant shall have means to ensure that, when a valve is fitted, its thread is of the same type as
the cylinder bung thread and its torque is compliant with both the cylinder and valve manufacturer’s
recommendations. The equipment used to fit valves shall be regularly checked, serviced and calibrated.
Rejection limits for physical, material and other defects on the cylinder shell or protective casing shall be
applied in accordance with Annex A, Annex B, Annex C, Annex D and Annex G.
6 Filling conditions
The filling plant operation and filling checks shall be in accordance with EN 13952.
Cylinders shall not be filled in excess of the safe filling quantity. The safe filling quantity is determined
from the safe filling ratio agreed by the relevant national competent authorities in accordance with
Annex E.
7 Post filling checks
7.1 Check of filled amount
Each cylinder shall be checked to ensure that the maximum mass has not been exceeded, either by check
weighing within the tolerances as determined by the relevant national competent authorities or by a
determination of the ullage space remaining. Where accepted by the relevant national competent
authorities, other systems of checking, such as sample weighing or statistical data application, may be
used when the filling mass is controlled automatically.
7.2 Action necessary for over/under-filled cylinders
If the cylinder is over-filled, the excess LPG shall be removed as soon as reasonably practical and the
cylinder re-checked for correct fill quantity.
If the cylinder is under-filled, the appropriate amount of LPG shall be added and the cylinder re-checked
for correct fill quantity.
7.3 Final checks
Cylinders, valves and valve seals shall be checked for leakage. Leaks shall be dealt with in accordance
with the procedures in Clause 5. The admissible leakage rate shall be either indicated in the national
regulation, specified by the national competent authority, or within the operators' instructions, but in any
case, not higher than 5 g/h.
Where equipment is used to check for leakage, it shall be checked, serviced and calibrated regularly.
Checks to ensure the correct functioning of the leak detectors on the filling line shall be made, as a
minimum, at the beginning of every shift.
Cylinders shall be checked prior to dispatch or storage, for the correct fitting of valve caps or plugs, valve
protection caps/guards and labelling, if required.
9
---------------------- Page: 11 ----------------------
SIST EN 1439:2022
EN 1439:2021 (E)
Annex A
(normative)
Specific requirements for welded and brazed steel LPG cylinders
Rejection limits for physical, material and other defects on the cylinder shell are given in Table A.1,
Table A.2 and Table A.3.
Table A.1 — Physical defects in the cylinder wall
Defect Description Rejection limit
Bulge Visible swelling of the cylinder. All.
Dent A depression in the cylinder that has When the depth of the dent exceeds 25 % of its
a
neither penetrated nor removed width at any point .
metal, when its width at any point is
greater than 2 % of the external
cylinder diameter.
Cut or A sharp impression where metal has Where the original calculated wall thickness is
gouge been removed or redistributed. known:
Depth of cut or gouge is such that the
undamaged (remaining) wall is less than the
minimum calculated wall thickness.
Where the original calculated wall thickness is
not known:
All.
Dent A depression in the cylinder within When the size of the dent, cut or gouge exceeds
containing which there is a cut or gouge. the dimensions for rejection as an individual
cut or defect.
gouge
Crack A split or rift in the cylinder shell. All.
Lamination Layering of the material within the All.
cylinder wall appearing as a
discontinuity, crack, lap or bulge at
the surface.
a
Appearance (e.g. sharp dent) and location (e.g. on shoulder of the cylinder) also play a part in the evaluation of
dent severity.
10
---------------------- Page: 12 ----------------------
SIST EN 1439:2022
EN 1439:2021 (E)
Table A.2 — Corrosion on the cylinder wall
Type of Description Rejection limit
corrosion
Isolated A pitting of metal occurring in When the depth of discrete pits exceeds 0,6 mm. A
corrosion pits isolated areas at a greater depth of corrosion can be accepted provided
concentration not greater that depth of corrosion does not reduce the wall
2
than 1 pit per 500 mm of thickness below the minimum calculated wall
surface area. thickness.
Area Reduction in wall thickness When the depth of penetration of any pit exceeds
corrosion over an area not exceeding 0,4 mm. A greater depth can be accepted provided
20 % of the cylinder surface. that the depth of corrosion does not reduce the wall
thickness below the minimum calculated wall
thickness.
General A reduction in wall thickness When the depth of penetration of any pit exceeds
corrosion over an area exceeding 20 % 0,2 mm. A greater depth can be accepted providing
of the cylinder surface. that the depth of corrosion does not reduce the wall
thickness below the minimum calculated wall
thickness.
Chain pitting A series of pits or corroded When the total length of corrosion in any direction
or line or cavities of limited width along exceeds 50 % of the circumference of the cylinder; or
channel the length or around the
When the depth of penetration exceeds 0,4 mm. A
corrosion cylinder circumference.
greater depth can be accepted providing that the
depth of corrosion does not reduce the wall
thickness below the minimum calculated wall
thickness; or
When the depth of corrosion cannot be measured.
Crevice Crevice corrosion occurs in When the depth of penetration exceeds 0,4 mm or
corrosion the area of the intersection of when the depth of corrosion cannot be measured.
the foot-ring or shroud with
the cylinder.
11
---------------------- Page: 13 ----------------------
SIST EN 1439:2022
EN 1439:2021 (E)
Table A.3 — Other defects
Defect Description Rejection limit
Depressed Damage to the bung which has altered the profile of — A limited level of
bung the cylinder. depression/alignment
deviation, as agreed by the
competent authority;
— Otherwise; All.
Arc or torch Burning of the cylinder base metal, a hardened heat All.
burns affected zone, the addition of extraneous weld metal,
or the removal of metal by scarfing or cratering.
a
Fire damage Excessive general or localized heating of a cylinder All.
usually indicated by:
— charring or burning of paint;
— fire damage of the metal;
— distortion of the cylinder;
— melting of metallic valve parts;
— melting of any plastic components, e.g. date ring,
plug or cap.
Damaged Foot ring not firmly attached. All.
foot-ring
Badly deformed foot-ring. Unstable or unbalanced
cylinder.
Damaged Loose or badly deformed shroud. Preventing proper operation
shroud or protection of valve.
a
If paint is only superficially charred, a cylinder may be accepted by a competent person.
12
---------------------- Page: 14 ----------------------
SIST EN 1439:2022
EN 1439:2021 (E)
Annex B
(normative)
Specific requirements for welded steel LPG cylinders in accordance with
EN 14140 or equivalent standard
B.1 General
The owner of the cylinder (or their authorized representative) shall provide the testing station with the
rejection criteria for the physical and material defects and heat damage to the cylinder.
The procedure for establishing the acceptance/rejection criteria is described in B.2.
These criteria shall be at least those established by the manufacturer, taking into account the design
conditions of the cylinder, e.g. wall thickness, material, protective casing.
The descriptions of defects on carbon steel cylinders are shown in Table B.1, Table B.2 and Table B.3. The
description of defects for stainless steel cylinders are shown in Table B.4, Table B.5 and Table B.6.
B.2 Procedure for establishing rejection criteria for carbon steel cylinders
The rejection criteria for the defects described in Table B.1, Table B.2 and Table B.3 shall be established
in accordance with the following procedure for each design of cylinder as defined in EN 14140:
— for each defect, four cylinders with the same defect shall be tested. The size of this defect shall be
recorded. If the defects of the cylinders are different sizes, the size of the smaller defect shall be
recorded;
— two cylinders shall be submitted to the burst test as described in EN 14140 and two cylinders shall
be submitted to the fatigue test as described in EN 14140;
— if the cylinders pass the tests, the defect is acceptable; the rejection limit can then be defined by the
size of that defect;
— when all rejection criteria have been established for a design of cylinder as defined in
EN 14140:2014, Table B.1; and
— Table B.2 and Table B.3 shall be completed by the owner/manufacturer of the cylinder.
13
---------------------- Page: 15 ----------------------
SIST EN 1439:2022
EN 1439:2021 (E)
Table B.1 — Carbon steel cylinders – Physical defects in the cylinder wall
Defects Description Rejection limit
Bulge Visible swelling of the cylinder All.
a
Dent A depression in the cylinder that See B.2 .
has neither penetrated nor
removed metal, and its width at any
point is greater than 2 % of the
external cylinder diameter.
Cut or gouge A sharp impression where metal See B.2.
has been removed or redistributed.
Intersecting cut or gouge The point of intersection of two or All.
more cuts or gouges.
Dent containing cut or A depression in the cylinder within When the size of the dent or cut or
gouge which there is a cut or gouge. gouge exceeds the dimensions for
rejection as an individual defect.
Crack A split or rift in the cylinder shell. All.
Lamination Layering of the material within the All.
cylinder wall appearing as a
discontinuity, cr
...
Questions, Comments and Discussion
Ask us and Technical Secretary will try to provide an answer. You can facilitate discussion about the standard in here.