oSIST prEN ISO 15750-3:2021

Packaging - Steel drums - Part 3: Inserted flange-type closure systems (ISO/DIS 15750-3:2021)

Verpackung - Stahlfässer - Teil3: Verschlusssysteme mit eingesetztem Flansch (ISO/DIS 15750-3:2021)

Dieser Teil von ISO15750 legt die Eigenschaften, Maße und Beschaffenheit von Verschlusssystemen mit eingesetztem Flansch für Stahlfässer fest.

Emballages - Fûts en acier - Partie 3: Systèmes de fermeture à collerette (filetée) sertie (ISO/DIS 15750-3:2021)

Embalaža - Jekleni sodi - 3. del: Sistemi zapiranja z vstavljenim obročem (ISO/DIS 15750-3:2021)

General Information

• Status: Not Published
• Public Enquiry End Date: 01-Dec-2021
• ICS: 55.140 - Barrels. Drums. Canisters
• Technical Committee: EPO - Packaging - sales and grouped
• Current Stage: 4020 - Public enquire (PE) (Adopted Project)
• Start Date: 23-Sep-2021
• Due Date: 10-Feb-2022
• Ref Project: prEN ISO 15750-3 - Packaging - Steel drums - Part 3: Inserted flange-type closure systems (ISO/DIS 15750-3:2021)

RELATIONS

• Revised: SIST EN ISO 15750-3:2008 - Packaging - Steel drums - Part 3: Inserted flange-type closure systems (ISO 15750-3:2002)
• Effective Date: 01-Nov-2021

Standards Content (sample)

SLOVENSKI STANDARD
oSIST prEN ISO 15750-3:2021
01-november-2021

Embalaža - Jekleni sodi - 3. del: Sistemi zapiranja z vstavljenim obročem (ISO/DIS

15750-3:2021)

Packaging - Steel drums - Part 3: Inserted flange-type closure systems (ISO/DIS 15750-

3:2021)

Verpackung - Stahlfässer - Teil3: Verschlusssysteme mit eingesetztem Flansch (ISO/DIS

15750-3:2021)

Emballages - Fûts en acier - Partie 3: Systèmes de fermeture à collerette (filetée) sertie

(ISO/DIS 15750-3:2021)
Ta slovenski standard je istoveten z: prEN ISO 15750-3
ICS:
55.140 Sodi. Kovinski sodi. Ročke Barrels. Drums. Canisters
oSIST prEN ISO 15750-3:2021 en,fr,de

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

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oSIST prEN ISO 15750-3:2021
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oSIST prEN ISO 15750-3:2021
DRAFT INTERNATIONAL STANDARD
ISO/DIS 15750-3
ISO/TC 122 Secretariat: JISC
Voting begins on: Voting terminates on:
2021-09-13 2021-12-06
Packaging — Steel drums —
Part 3:
Inserted flange-type closure systems
Emballages — Fûts en acier —
Partie 3: Systèmes de fermeture à collerette (filetée) sertie
ICS: 55.140
THIS DOCUMENT IS A DRAFT CIRCULATED
This document is circulated as received from the committee secretariat.
FOR COMMENT AND APPROVAL. IT IS
THEREFORE SUBJECT TO CHANGE AND MAY
NOT BE REFERRED TO AS AN INTERNATIONAL
STANDARD UNTIL PUBLISHED AS SUCH.
IN ADDITION TO THEIR EVALUATION AS
ISO/CEN PARALLEL PROCESSING
BEING ACCEPTABLE FOR INDUSTRIAL,
TECHNOLOGICAL, COMMERCIAL AND
USER PURPOSES, DRAFT INTERNATIONAL
STANDARDS MAY ON OCCASION HAVE TO
BE CONSIDERED IN THE LIGHT OF THEIR
POTENTIAL TO BECOME STANDARDS TO
WHICH REFERENCE MAY BE MADE IN
Reference number
NATIONAL REGULATIONS.
ISO/DIS 15750-3:2021(E)
RECIPIENTS OF THIS DRAFT ARE INVITED
TO SUBMIT, WITH THEIR COMMENTS,
NOTIFICATION OF ANY RELEVANT PATENT
RIGHTS OF WHICH THEY ARE AWARE AND TO
PROVIDE SUPPORTING DOCUMENTATION. ISO 2021
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oSIST prEN ISO 15750-3:2021
ISO/DIS 15750-3:2021(E)
COPYRIGHT PROTECTED DOCUMENT
© ISO 2021

All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may

be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting

on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address

below or ISO’s member body in the country of the requester.
ISO copyright office
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: [phone]
Email: [e-mail]
Website: www.iso.org
Published in Switzerland
ii © ISO 2021 – All rights reserved
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oSIST prEN ISO 15750-3:2021
ISO/DIS 15750-3:2021(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..................................................................................................................................................................... 2

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) ............................................................................15

Annex C (normative) Octagonal(G 2)/hexagonal (G 3/4) base closure system (type C closure) ........24

Annex D (informative) Plug wrench adaptors .........................................................................................................................................30

Annex E (informative) Closing torques ...........................................................................................................................................................33

Bibliography .............................................................................................................................................................................................................................35

© ISO 2021 – All rights reserved iii
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oSIST prEN ISO 15750-3:2021
ISO/DIS 15750-3:2021(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

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 2021 – All rights reserved
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oSIST prEN ISO 15750-3:2021
DRAFT INTERNATIONAL STANDARD ISO/DIS 15750-3:2021(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 castings
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 tinmill products — Electrolytic tinplate

ISO 11950, Cold-reduced tinmill products — 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
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
[SOURCE: ISO 472:1999]
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oSIST prEN ISO 15750-3:2021
ISO/DIS 15750-3:2021(E)
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 chosen and agreed

between the purchaser and supplier.

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.
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.

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oSIST prEN ISO 15750-3:2021
ISO/DIS 15750-3:2021(E)
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.
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oSIST prEN ISO 15750-3:2021
ISO/DIS 15750-3:2021(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.
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
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oSIST prEN ISO 15750-3:2021
ISO/DIS 15750-3:2021(E)
d is the nominal pitch diameter.
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
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.
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oSIST prEN ISO 15750-3:2021
ISO/DIS 15750-3:2021(E)
Figure A.3 — Flange
Figure A.4 — Elastomer flange washer
Table A.1 — Flanges and elastomer flange washers
Dimensions in millimetres
Flange dimensions Elastomer flange wash-
Nominal
er dimensions
pitch
Thread d d d h h h s
2 3 4 1 2 3 1
diameter
w × w × t
1 2 1
±0,3 ±0,3 ±0,3 ±0,5 ±0,5 ±0,4 ±0,3
1 ±1,0 × ±1,0 × ±0,5
G 3/4 29,0 27,2 24,5 12,9 7,2 2,7 43,7 32 × 27,2 × 2,6
G 2 62,4 60,4 57,1 15,8 7,9 2,8 77,9 67 × 60,5 × 2,6
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.

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oSIST prEN ISO 15750-3:2021
ISO/DIS 15750-3:2021(E)

Alternative configurations of the flange and flange washer(s) should be agreed between the purchaser

and supplier.
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
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oSIST prEN ISO 15750-3:2021
ISO/DIS 15750-3:2021(E)
Figure A.6 — Protection ring
Table A.2 — Label rings and protection rings
Dimensions in millimetres
Dimensions Thickness of label
Thickness of end
rings and protec-
stock
Thread d d d h
5 6 7 3
tion rings
±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
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
0,3
1,5 u x < 2,0
G 2 65,7 99,5 74,5 7,3

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.
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.
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oSIST prEN ISO 15750-3:2021
ISO/DIS 15750-3:2021(E)

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
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oSIST prEN ISO 15750-3:2021
ISO/DIS 15750-3:2021(E)
Table A.3 — Steel plugs and elastomer plug washers
Dimensions in millimetres
Plug dimensions Elastomer plug washer
Nominal
dimensions
pitch diam-
b c
Thread p p p p p t
1 2 3 4 1
eter
w × w × t
3 4 2
±0,5 ±0,7 ±0,7 ±1,5 min. ±0,2
1 ±1,0 × ±1,0 × ±0,5
G 3/4 28,1 20,5 13,7 8,5 8,5 1,2 25,5 × 20,3 × 2,4
G 2 61,2 53,6 15,5 33,5 11,5 1,2 56,0 × 50,5 × 2,7
Conforming to ISO 228-1.

Dimension p for G 2 is measured at a position 2 mm above the top of the flat part of the wrenching insert.

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.
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.

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oSIST prEN ISO 15750-3:2021
ISO/DIS 15750-3:2021(E)
a) G 3/4 thread b) G 2 thread
Figure A.9 — Plastics plug
Figure A.10 — Elastomer plug washer
Table A.4 — Plastics plugs and elastomer plug washers
Dimensions in millimetres
Plug dimensions Elastomer plug wash-
Nominal
er dimensions
pitch diam-
Thread p p p p p p
5 6 7 8 9 10
eter
w × w × t
3 4 2
±0,4 ±0,4 ±0,4 ±0,4 ±0,4 ±0,4
1 ±1,0 × ±1,0 × ±0,5
G 3/4 27,9 17,3 20,0 8,5 N.A. 9,5 25,5 × 20,3 × 2,4
G 2 61,1 51,5 20,5 34,0 18,0 12,0 56,0 × 50,5 × 2,7
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.
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oSIST prEN ISO 15750-3:2021
ISO/DIS 157
...