SIST EN ISO 15750-3:2008
(Main)Packaging - Steel drums - Part 3: Inserted flange-type closure systems (ISO 15750-3:2002)
Packaging - Steel drums - Part 3: Inserted flange-type closure systems (ISO 15750-3:2002)
This part of ISO 15750 specifies the characteristics, dimensions and finish of the inserted flange-type closure systems used for steel drums.
Verpackung - Stahlfässer - Teil 3: Verschlusssysteme mit eingesetztem Flansch (ISO 15750-3:2002)
Dieser Teil von ISO 15750 legt die Eigenschaften, Maße und Beschaffenheit von Verschlusssystemen mit
eingesetztem Flansch für Stahlfässer fest.
Emballages - Futs en acier - Partie 3: Systemes de fermeture a collerette (filetée) sertie (ISO 15750-3:2002)
La présente partie de l'ISO 15750 spécifie les caractéristiques, les dimensions et le fini des systèmes de fermeture à collerette (filetée) sertie utilisés pour les fûts en acier.
Embalaža - Jekleni sodi - 3. del: Sistemi zapiranja z vstavljenim obročem (ISO 15750-3:2002)
General Information
Relations
Standards Content (Sample)
SLOVENSKI STANDARD
SIST EN ISO 15750-3:2008
01-oktober-2008
(PEDODåD-HNOHQLVRGLGHO 6LVWHPL]DSLUDQMD]YVWDYOMHQLPREURþHP ,62
Packaging - Steel drums - Part 3: Inserted flange-type closure systems (ISO 15750-
3:2002)
Verpackung - Stahlfässer - Teil 3: Verschlusssysteme mit eingesetztem Flansch (ISO
15750-3:2002)
Emballages - Futs en acier - Partie 3: Systemes de fermeture a collerette (filetée) sertie
(ISO 15750-3:2002)
Ta slovenski standard je istoveten z: EN ISO 15750-3:2008
ICS:
55.140 6RGL.RYLQVNLVRGL5RþNH Barrels. Drums. Canisters
SIST EN ISO 15750-3:2008 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
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SIST EN ISO 15750-3:2008
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SIST EN ISO 15750-3:2008
EUROPEAN STANDARD
EN ISO 15750-3
NORME EUROPÉENNE
EUROPÄISCHE NORM
June 2008
ICS 55.140
English Version
Packaging - Steel drums - Part 3: Inserted flange-type closure
systems (ISO 15750-3:2002)
Emballages - Fûts en acier - Partie 3: Systèmes de Verpackung - Stahlfässer - Teil 3: Verschlusssysteme mit
fermeture à collerette (filetée) sertie (ISO 15750-3:2002) eingesetztem Flansch (ISO 15750-3:2002)
This European Standard was approved by CEN on 16 May 2008.
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 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 Management Centre has the same status as the
official versions.
CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland,
France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal,
Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
Management Centre: rue de Stassart, 36 B-1050 Brussels
© 2008 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 15750-3:2008: E
worldwide for CEN national Members.
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SIST EN ISO 15750-3:2008
EN ISO 15750-3:2008 (E)
Contents Page
Foreword.3
2
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SIST EN ISO 15750-3:2008
EN ISO 15750-3:2008 (E)
Foreword
The text of ISO 15750-3:2002 has been prepared by Technical Committee ISO/TC 122 “Packaging” of the
International Organization for Standardization (ISO) and has been taken over as EN ISO 15750-3:2008 by
Technical Committee CEN/TC 261 “Packaging” the secretariat of which is held by AFNOR.
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 December 2008, and conflicting national standards shall be withdrawn
at the latest by December 2008.
Attention is drawn to the possibility that some of the elements of this document may be the subject of patent
rights. CEN [and/or CENELEC] shall not be held responsible for identifying any or all such patent rights.
According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following
countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Cyprus, Czech
Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia,
Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain,
Sweden, Switzerland and the United Kingdom.
Endorsement notice
The text of ISO 15750-3:2002 has been approved by CEN as a EN ISO 15750-3:2008 without any
modification.
3
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SIST EN ISO 15750-3:2008
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SIST EN ISO 15750-3:2008
INTERNATIONAL ISO
STANDARD 15750-3
First edition
2002-04-15
Packaging — Steel drums —
Part 3:
Inserted flange-type closure systems
Emballages — Fûts en acier —
Partie 3: Systèmes de fermeture à collerette (filetée) sertie
Reference number
ISO 15750-3:2002(E)
©
ISO 2002
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SIST EN ISO 15750-3:2008
ISO 15750-3:2002(E)
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ii © ISO 2002 – All rights reserved
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SIST EN ISO 15750-3:2008
ISO 15750-3:2002(E)
Contents Page
Foreword.iv
1 Scope .1
2 Normative references.1
3 Terms and definitions .1
4 Dimensions, materials and finish .2
5 Design and construction.2
5.1 Flanges .2
5.2 Plugs .2
5.3 Capseals and overseals.3
5.4 Label rings and protection rings.3
Annex A (normative) Octagonal base closure system (type A closure) .4
Annex B (normative) Serrated base closure system (type B closure) .17
Annex C (normative) Octagonal(G 2)/hexagonal (G 3/4) base closure system (type C closure).27
Annex D (informative) Plug wrench adaptors .37
Annex E (informative) Closing torques.41
Bibliography.43
© ISO 2002 – All rights reserved iii
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SIST EN ISO 15750-3:2008
ISO 15750-3:2002(E)
Foreword
ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO
member bodies). The work of preparing International Standards is normally carried out through ISO technical
committees. Each member body interested in a subject for which a technical committee has been established has
the right to be represented on that committee. International organizations, governmental and non-governmental, in
liaison with ISO, also take part in the work. ISO collaborates closely with the International Electrotechnical
Commission (IEC) on all matters of electrotechnical standardization.
International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 3.
The main task of technical committees is to prepare International Standards. Draft International Standards adopted
by the technical committees are circulated to the member bodies for voting. Publication as an International
Standard requires approval by at least 75 % of the member bodies casting a vote.
Attention is drawn to the possibility that some of the elements of this part of ISO 15750 may be the subject of
patent rights. ISO shall not be held responsible for identifying any or all such patent rights.
ISO 15750-3 was prepared by Technical Committee ISO/TC 122, Packaging.
ISO 15750 consists of the following parts, under the general title Packaging — Steel drums:
— Part 1: Removable head (open head) drums with a minimum total capacity of 208 l, 210 l and 216,5 l
— Part 2: Non-removable head (tight head) drums with a minimum total capacity of 212 l, 216,5 l and 230 l
— Part 3: Inserted flange-type closure systems
Annexes A to C form a normative part of this part of ISO 15750. Annexes D and E are for information only.
iv © ISO 2002 – All rights reserved
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SIST EN ISO 15750-3:2008
INTERNATIONAL STANDARD ISO 15750-3:2002(E)
Packaging — Steel drums —
Part 3:
Inserted flange-type closure systems
1 Scope
This part of ISO 15750 specifies the characteristics, dimensions and finish of the inserted flange-type closure
systems used for steel drums.
2 Normative references
The following normative documents contain provisions which, through reference in this text, constitute provisions of
this part of ISO 15750. For dated references, subsequent amendments to, or revisions of, any of these publications
do not apply. However, parties to agreements based on this part of ISO 15750 are encouraged to investigate the
possibility of applying the most recent editions of the normative documents indicated below. For undated
references, the latest edition of the normative document referred to applies. Members of ISO and IEC maintain
registers of currently valid International Standards.
ISO 228-1, Pipe threads where pressure-tight joints are not made on the threads — Part 1: Dimensions, tolerances
and designation
ISO 228-2, Pipe threads where pressure-tight joints are not made on the threads — Part 2: Verification by means
of limit gauges
ISO 301, Zinc alloy ingots intended for casting
ISO 3573, Hot-rolled carbon steel sheet of commercial and drawing qualities
ISO 3574, Cold-reduced carbon steel sheet of commercial and drawing qualities
ISO 5002, Hot-rolled and cold-reduced electrolytic zinc-coated carbon steel sheet of commercial and drawing
qualities
ISO 11949, Cold reduced electrolytic tinplate
ISO 11950, Cold reduced electrolytic chromium/chromium oxide-coated steel
3 Terms and definitions
For the purposes of this part of ISO 15750, the following terms and definitions apply.
3.1
inserted flange-type closure
mechanical fixed steel insert with threads, closable with plugs made of steel, other metals or synthetic materials
such as plastics, ensuring a leaktight closing in drums
© ISO 2002 – All rights reserved 1
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SIST EN ISO 15750-3:2008
ISO 15750-3:2002(E)
3.2
elastomer
macromolecular material which returns rapidly to its initial dimensions and shape after substantial deformation by a
weak stress and release of the stress
[ISO 472:1999]
3.3
thermoplastics
plastics that are capable of being repeatedly softened by heating and hardened by cooling through a temperature
range characteristic of the plastics and, in the softened state, of being repeatedly shaped by flow into articles by
moulding, extrusion or forming
4 Dimensions, materials and finish
4.1 The nominal pitch diameter and the pitch of the thread of the closures G 2 and G 3/4 shall conform to
ISO 228-1.
These closures shall fit GO gauges conforming to ISO 228-2.
4.2 The dimensions and materials of the closure systems shall be in accordance with the relevant annexes for
the closure type, i.e.:
annex A: octagonal base closure system (type A closure);
annex B: serrated base closure system (type B closure);
annex C: octagonal (G 2)/hexagonal (G 3/4) base closure system (type C closure).
4.3 The finish of the flanges, steel plugs, label rings and protection rings shall be electrolytically zinc plated.
If for reasons of compatibility another finish of the closure system is required, the nature of the internal and external
finish should be agreed upon between the purchaser and supplier.
5 Design and construction
5.1 Flanges
The flanges shall be the mechanical inserted type and shall make a leaktight fit when inserted.
5.2 Plugs
The plugs shall be designed so that they can be inserted or removed by means of a simple tool.
The plugs shall have a wrenching insert projection welded to the bottom of the sump of the plug or have a
wrenching device formed as part of the plug.
The dimensions of the wrenching insert shall be such that the plugs can be operated by a universal tool for steel
and plastics plugs. Examples are shown in annex D.
NOTE For recommended closing torques, see annex E.
2 © ISO 2002 – All rights reserved
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SIST EN ISO 15750-3:2008
ISO 15750-3:2002(E)
5.3 Capseals and overseals
Capseals or overseals, when fitted, shall be the manual or pneumatic crimping type and shall have provisions for
customs sealing and evidence of tampering.
Capseals/overseals shall be so designed that they can be removed by means of a simple tool.
5.4 Label rings and protection rings
Label rings and/or protection rings shall be designed so that, when fitted, they can be mechanically inserted
simultaneously with the flanges. Label rings shall have provisions for customs sealing.
NOTE Label rings and/or protection rings can provide adequate reinforcement for the flange insertion and can protect the
drum stock neck against corrosion.
© ISO 2002 – All rights reserved 3
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SIST EN ISO 15750-3:2008
ISO 15750-3:2002(E)
Annex A
(normative)
Octagonal base closure system (type A closure)
A.1 Nomenclature for closure system
Closure components of the closure system may deviate from those shown in Figures A.1 and A.2. However the
specified dimensions shall be followed.
d is the nominal pitch diameter.
1
Key
1 Optional label ring/protection ring 6 Example with steel plug
2 Capseal 7 Elastomer flange washer
3 Gasket 8 Flange
4 Plug washer 9 Drum stock
5 Wrenching insert
Figure A.1 — Assembly in medium- and heavy-gauge stock
4 © ISO 2002 – All rights reserved
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SIST EN ISO 15750-3:2008
ISO 15750-3:2002(E)
d is the nominal pitch diameter.
1
Key
1 Label ring/protection ring 6 Example with plastic plug
2 Capseal 7 Elastomer flange washer
3 Gasket 8 Flange
4 Plug washer 9 Drum stock
5 Wrenching insert
Figure A.2 — Assembly in light-gauge drum stock
© ISO 2002 – All rights reserved 5
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SIST EN ISO 15750-3:2008
ISO 15750-3:2002(E)
A.2 Flanges and elastomer flange washer
A.2.1 Dimensions
Specific dimensions for flanges and elastomer flange washers shall be as shown in Figures A.3 and A.4 and
specified in Table A.1.
Flanges and elastomer washers may deviate from those shown in the figures.
Figure A.3 — Flange
Figure A.4 — Elastomer flange washer
6 © ISO 2002 – All rights reserved
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SIST EN ISO 15750-3:2008
ISO 15750-3:2002(E)
Table A.1 — Flanges and elastomer flange washers
Dimensions in millimetres
Nominal
Elastomer flange
pitch Flange dimensions
washer dimensions
diameter
Thread
d d d d h h h s w × w × t
1 2 3 4 1 2 3 1 1 2 1
± 0,3 ± 0,3 ± 0,3 ± 0,5 ± 0,5 ± 0,4 ± 0,3 ± 1,0 × ± 1,0 × ± 0,5
a
G 3/4 29,0 27,2 24,5 12,9 7,2 2,7 43,7 32 × 27,2 × 2,6
a
G 2 62,4 60,4 57,1 15,8 7,9 2,8 77,9 67 × 60,5 × 2,6
a
Conforming to ISO 228-1.
A.2.2 Materials and configuration
Flanges shall be made from either mild steel according to ISO 3573 or ISO 3574, or another material suitable for its
intended use.
The specific type of elastomer shall be agreed between the purchaser and supplier.
Alternative configurations of the flange and flange washer(s) should be agreed between the purchaser and
supplier.
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SIST EN ISO 15750-3:2008
ISO 15750-3:2002(E)
A.3 Label rings and protection rings
A.3.1 Dimensions
Specific dimensions for label rings and protection rings shall be as shown in Figures A.5 and A.6 and specified in
Table A.2.
Label rings and protection rings may deviate from those shown in the figures.
Figure A.5 — Label ring
8 © ISO 2002 – All rights reserved
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SIST EN ISO 15750-3:2008
ISO 15750-3:2002(E)
Figure A.6 — Protection ring
Table A.2 — Label rings and protection rings
Dimensions in millimetres
Thickness of label
Thickness of end
Dimensions rings and
stock
protection rings
Thread
x d d d h t
5 6 7 3
± 0,4 ± 0,4 ± 0,4 ± 0,4
G 3/4 29,7 54,0 41,0 6,4
Light gauge
0,8
0,5 u x < 0,8
G 2 62,3 98,5 74,5 8,4
G 3/4 31,0 58,5 41,0 5,4
Medium gauge
a
0,3
0,8 u x < 1,5
G 2 63,5 99,5 74,5 8,2
G 3/4 31,3 58,5 41,0 5,7
Heavy gauge
a
0,3
1,5 u x < 2,0
G 2 65,7 99,5 74,5 7,3
a
The use of label or protection rings is optional for medium- and heavy-gauge end stock.
A.3.2 Materials and configuration
Label and protection rings shall be made from mild steel according to ISO 5002 or another material appropriate to
the requirements for its intended use.
Alternative configurations of label and protection rings should be agreed between the purchaser and supplier.
© ISO 2002 – All rights reserved 9
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SIST EN ISO 15750-3:2008
ISO 15750-3:2002(E)
A.4 Steel plugs and elastomer or thermoplastics plug washers
A.4.1 Dimensions
Specific dimensions for steel plugs and elastomer or thermoplastics plug washers shall be as shown in Figures A.7
and A.8 specified in Table A.3.
Steel plugs and elastomer or thermoplastics plug washers may deviate from those shown in the figures.
a) G 2 thread b) G 3/4 thread
Figure A.7 — Steel plug
Figure A.8 — Elastomer plug washer
10 © ISO 2002 – All rights reserved
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SIST EN ISO 15750-3:2008
ISO 15750-3:2002(E)
Table A.3 — Steel plugs and elastomer plug washers
Dimensions in millimetres
Nominal pitch Elastomer plug washer
Plug dimensions
diameter dimensions
Thread
b c
d p p p p p t w × w × t
1 1 2 3 4 1 3 4 2
± 0,5 ± 0,7 ± 0,7 ± 1,5 min. ± 0,2 ± 1,0 × ± 1,0 × ± 0,5
a
G 3/4 28,1 20,5 13,7 8,5 8,5 1,2 25,5 × 20,3 × 2,4
a
G 2 61,2 53,6 15,5 33,5 11,5 1,2 56,0 × 50,5 × 2,7
a
Conforming to ISO 228-1.
b
Dimension p for G 2 is measured at a position 2 mm above the top of the flat part of the wrenching insert.
4
c
Dimension p (min.) is measured from the top of the plug to the top of the flat part of the wrenching insert.
A.4.2 Materials and configuration
Plugs shall be made from either mild steel according to ISO 3573 or ISO 3574, or another material suitable for their
intended use.
The position of the wrenching inserts shall be not more than 0,5 mm out of centre.
Plug washers should be made from elastomer; however thermoplastics materials are also acceptable. The specific
type of elastomer or thermoplastics shall be agreed between the purchaser and supplier.
Alternative configurations of the plug and plug washer should be agreed between the purchaser and supplier.
© ISO 2002 – All rights reserved 11
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SIST EN ISO 15750-3:2008
ISO 15750-3:2002(E)
A.5 Plastic plugs and elastomer plug washers
A.5.1 Dimensions
Specific dimensions for plastics plug and elastomer plug washers shall be as shown in Figures A.9 and A.10 and
specified in Table A.4.
Plastics plugs and elastomer plug washers may deviate from those shown in the figures.
a) G 3/4 thread b) G 2 thread
Figure A.9 — Plastics plug
Figure A.10 — Elastomer plug washer
12 © ISO 2002 – All rights reserved
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SIST EN ISO 15750-3:2008
ISO 15750-3:2002(E)
Table A.4 — Plastics plugs and elastomer plug washers
Dimensions in millimetres
Nominal pitch Elastomer plug washer
Plug dimensions
diameter dimensions
Thread
d p p p p p p w × w × t
1 5 6 7 8 9 10 3 4 2
± 0,4 ± 0,4 ± 0,4 ± 0,4 ± 0,4 ± 0,4 ± 1,0 × ± 1,0 × ± 0,5
a
G 3/4 27,9 17,3 20,0 8,5 N.A. 9,5
25,5 × 20,3 × 2,4
a
G 2 61,1 51,5 20,5 34,0 18,0 12,0 56,0 × 50,5 × 2,7
a
Conforming to ISO 228-1.
N.A. Not applicable.
A.5.2 Materials and configuration
Plugs shall be made from a copolymer of polypropylene. Other materials may be agreed between the purchaser
and supplier.
Plug washers should be made from elastomer; however thermoplastics materials are also acceptable. The specific
type of elastomer or thermoplastics shall be agreed by the purchaser and supplier.
Alternative configurations of the plug and plug washer should be agreed between the purchaser and supplier.
© ISO 2002 – All rights reserved 13
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SIST EN ISO 15750-3:2008
ISO 15750-3:2002(E)
A.6 Capseals
A.6.1 Dimensions
Specific dimensions for capseals shall be as shown in Figure A.11 and specified in Table A.5.
Capseals may deviate from that shown in the figure.
Key
1 Scored lines
2 Flowed-in gasket
Figure A.11 — Capseal
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SIST EN ISO 15750-3:2008
ISO 15750-3:2002(E)
Table A.5 — Capseal
Dimensions in millimetres
Thickness of printed
Capseal dimensions
capseals
Thread
c c c c c c
t
1 2 3 4 5 6
± 0,4 ± 0,4 ± 0,4 ± 0,4 ± 0,2 ± 0,7 ± 0,05
G 3/4 29,0 35,1 8,9 43,0 3,5 9,9 0,35
G 2 62,4 69,8 11,2 85,0 4,8 12,2 0,35
NOTE Printing of the capseal (if required) should be agreed between the purchaser and supplier.
A.6.2 Materials and configuration
Capseals shall be made from low-carbon sheet steel according to ISO 11949 or ISO 11950, or another material
suitable for its intended use.
Alternative configurations should be agreed between the purchaser and supplier.
A.7 Assembly without capseal
Specific dimensions for an assembly without capseal shall be as shown in Figure A.12 and specified in Table A.6.
An assembly without capseal may deviate from that shown in the figure.
NOTE Parts 1 and 2 of ISO 15750 require that the closure assembly does not protrude above the drum chime.
Figure A.12 — Assembly without capseal
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SIST EN ISO 15750-3:2008
ISO 15750-3:2002(E)
Table A.6 — Closure assembly without capseal
Dimensions in millimetres
Minimum free space required around
Closure assembly
closure for capseal application tools
Thread
a a a a a
F
1 2 3 4 5
± 0,5 ± 0,5 ± 0,5 ± 0,5 N.A.
G 3/4 33,9 11,7 11,2 6,6 > 0 90
G 2 68,4 14,5 13,6 9,4 > 0 110
NOTE The recommendation of the supplier of the closures on insertion of the flanges should be followed if it deviates
from the above.
N.A. Not applicable.
A.8 Assembly with capseal
Specific dimensions for an assembly with capseal shall be as shown in Figure A.13 and specified in Table A.7.
An assembly with capseal may deviate from that shown in the figure.
NOTE Parts 1 and 2 of ISO 15750 require that the closure assembly does not protrude above the drum chime.
Figure A.13 — Assembly with capseal
Table A.7 — Closure assembly with capseal
Dimensions in millimetres
Minimum free space required
Dimension around closure for capseal
application tools
Thread
b
F
1
± 0,5
G 3/4 14,1 90
G 2 17,3 110
NOTE The recommendations of the supplier of the closures on
insertion of the flanges should be followed if they deviate from the above.
16 © ISO 2002 – All rights reserved
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SIST EN ISO 15750-3:2008
ISO 15750-3:2002(E)
Annex B
(normative)
Serrated base closure system (type B closure)
B.1 Nomenclature for closure system
Closure components of the closure system may deviate from those shown in Figures B.1 and B.2, however the
specified dimensions shall be followed.
d is the nominal pitch diameter.
1
Key
1 Drum stock 5 Wrenching insert
2 Compound 6 Steel plug
3 Overseal 7 Flange
4 Washer 8 Compound
Figure B.1 — Assembly cross section showing steel G 2 plug
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SIST EN ISO 15750-3:2008
ISO 15750-3:2002(E)
d is the nominal pitch diameter.
1
Key
1 Drum stock 5 Wrenching part
2 Metallic ring 6 Plastics plug
3 Overseal (plastics) 7 Flange
4 Washer 8 Compound
Figure B.2 — Assembly cross section showing plastics G 2 plug
B.2 Flanges and sealing features
B.2.1 Dimensions
Specific dimensions for the flange shall be as shown in Figure B.3 and specified in Table B.1.
The flange may deviate from that shown in the figure.
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SIST EN ISO 15750-3:2008
ISO 15750-3:2002(E)
Key
1 Drain hole
2 Compound
Figure B.3 — Flange
Table B.1 — Flange
Dimensions in millimetres
Nominal pitch diameter Flange dimension
d d
Thread
1 2
± 0,3
a
G 3/4 24,5
a
G 2 57,1
a
Conforming to ISO 228-1 as inserted.
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SIST EN ISO 15750-3:2008
ISO 15750-3:2002(E)
B.2.2 Materials and configuration
Flanges shall be made from either mild steel according to ISO 3573 or ISO 3574, or another material suitable for its
intended use.
The specific type of compound shall be agreed between the purchaser and supplier.
Alternative configurations of the flange should be agreed between the purchaser and supplier.
B.3 Steel plugs and plug washers
B.3.1 Dimensions
Specific dimensions for steel plugs and elastomer plug washers shall be as shown in Figures B.4 and B.5 and
specified in Table B.2.
The steel plugs and elastomer plug washers may deviate from those shown in the figures.
a) G 3/4 thread b) G 2 thread
Figure B.4 — Steel plug
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SIST EN ISO 15750-3:2008
ISO 15750-3:2002(E)
Figure B.5 — Elastomer plug washer
Table B.2 — Steel plugs and elastomer washers
Dimensions in millimetres
Nominal pitch Elastomer plug washer
Plug dimensions
diameter dimensions
Thread
d d p p p p p w × t × t
1 2 1 2 3 4 5 1 1 2
± 0,4 ± 0,4 ± 0,4 min. ± 0,8 min. ± 0,5 × ± 0,8 × ± 0,5
a
G 3/4 26,3 41,7 38,0 20,1 19,8 1,0
25,4 × 5,4 × 3,0
a
G 2 59,0 79,0 73,4 54,0 20,2 1,0 58,0 × 6,4 × 3,0
a
Conforming to ISO 228-1.
B.3.2 Materials and configuration
Plugs shall be made from either mild steel according to ISO 3573 or ISO 3574, or another material suitable for its
intended use.
Plug washers should be made of elastomer; however thermoplastics materials are also acceptable. The specific
type of elastomer or thermoplastics shall be agreed between the purchaser and supplier.
Alternative configurations of the plug and plug washer should be agreed between the purchaser and supplier.
B.4 Plastics plugs and elastomer plug washers
B.4.1 Dimensions
Specific dimensions for the plastics plugs and elastomer plug washers shall be as shown in Figures B.6 and B.7
and specified in Table B.3.
The plastics plugs and elastomer plug washers may deviate from those shown in the figures.
© ISO 2002 – Al
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