1、BRITISH STANDARDBS EN ISO 20848-3:2008Packaging Plastics drums Part 3: Plug/bung closure systems for plastics drums with a nominal capacity of 113,6 l to 220 lICS 55.140g49g50g3g38g50g51g60g44g49g42g3g58g44g55g43g50g56g55g3g37g54g44g3g51g40g53g48g44g54g54g44g50g49g3g40g59g38g40g51g55g3g36g54g3g51g40
2、g53g48g44g55g55g40g39g3g37g60g3g38g50g51g60g53g44g42g43g55g3g47g36g58BS EN ISO 20848-3:2008This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 January 2007 BSI 2008ISBN 978 0 580 61022 6National forewordThis British Standard is the UK implemen
3、tation of EN ISO 20848-3:2008. It is identical with ISO 20848-3:2006. It supersedes BS ISO 20848-3:2006 which is withdrawn.The UK participation in its preparation was entrusted to Technical Committee PKW/0, Packaging.A list of organizations represented on this committee can be obtained on request to
4、 its secretary.This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application.Compliance with a British Standard cannot confer immunity from legal obligations.Amendments/corrigenda issued since publicationDate Comments30 Nov
5、ember 2008 This corrigendum renumbers BS ISO 20848-3:2006 as BS EN ISO 20848-3:2008EUROPEAN STANDARDNORME EUROPENNEEUROPISCHE NORMEN ISO 20848-3June 2008ICS 55.140English VersionPackaging - Plastics drums - Part 3: Plug/bung closure systemsfor plastics drums with a nominal capacity of 113,6 l to 220
6、 l(ISO 20848-3:2006)Emballages - Fts en matire plastique - Partie 3:Systmes de fermeture bondes pour fts en matireplastique dune capacit nominale de 113,6 l 220 l (ISO20848-3:2006)Verpackung - Kunststofffsser - Teil 3: Verschlusssystemefr Kunststoff-Spundfsser mit einem Nennvolumen von113,6 l bis 22
7、0 l (ISO 20848-3:2006)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 EuropeanStandard the status of a national standard without any alteration. Up-to-date lists and bib
8、liographical references concerning such nationalstandards 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 translationunder the responsibility o
9、f a CEN member into its own language and notified to the CEN Management Centre has the same status as theofficial versions.CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland,France, Germany, Greece, Hungary, Iceland, Ireland
10、, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal,Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMIT EUROPEN DE NORMALISATIONEUROPISCHES KOMITEE FR NORMUNGManagement Centre: rue de Stassart, 36 B-1
11、050 Brussels 2008 CEN All rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN ISO 20848-3:2008: EForeword The text of ISO 20848-3:2006 has been prepared by Technical Committee ISO/TC 122 “Packaging” of the International Organization for Standard
12、ization (ISO) and has been taken over as EN ISO 20848-3:2008 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 b
13、y 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 suc
14、h 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,
15、 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 20848-3:2006 has been approved by CEN as a EN ISO 20848-3:2008 without any modification. BS
16、 EN ISO 20848-3:2008iiiContents Page Introduction v 1 Scope . 1 2 Normative references . 1 3 Terms and definitions. 1 4 Requirements 2 4.1 Dimensions 2 4.2 Gaskets 2 4.3 Closure torque 2 4.4 Material identification symbol . 2 4.5 Materials 3 4.6 Thread 3 4.7 Plug/bung 3 4.8 Vented plug/bung 3 4.9 Fi
17、nish 3 Annex A (normative) Plug/bung closure system BCS 70 6 4 Annex B (normative) Plug/bung closure system BCS 56 4 6 Annex C (normative) Plug/bung closure system BCS 38 6 11 Annex D (normative) Plug/bung closure system BCS 24 4 13 Annex E (normative) Plug/bung closure system BCS G2 5 15 Annex F (n
18、ormative) Plug/bung closure system BCS G2 11,5. 17 Annex G (normative) Plug/bung closure system BCS G3/4 14 19 Annex H (normative) International material code symbols . 21 Bibliography . 23 BS EN ISO 20848-3:2008blankvIntroduction Throughout the world, a large number of plastics drum types with diff
19、erent dimensions and characteristics are being used. The differences in types of closures may result in differences in filling and handling. ISO 20848 specifies the characteristics and dimensions of closures for plastics drums which are of importance for the worldwide safe handling and transport of
20、substances and for the continued reuse of the drums during their life cycle. Detailed performance requirements and the related test methods are not included as they depend upon the specific application. Where the drums are intended to be used for the transport of dangerous goods, attention is drawn
21、to the regulatory requirements which govern the transport of those goods in the countries concerned, including capseals/overseals fitted in accordance with the certificate. Depending upon the mode of transport, this means meeting the requirements of: UN (United Nations) Recommendations on the Transp
22、ort of Dangerous Goods, ICAO (International Civil Aviation Organization) Technical Instructions for the Safe Transport of Dangerous Goods by Air, IMO (International Maritime Organization) International Maritime Dangerous Goods (IMDG) Code. This involves the certification and marking of the drums acc
23、ording to the regulations. BS EN ISO 20848-3:2008blank1Packaging Plastics drums Part 3: Plug/bung closure systems for plastics drums with a nominal capacity of 113,6 l to 220 l 1 Scope This part of ISO 20848 specifies the characteristics and dimensions of plug/bung closure systems for internally thr
24、eaded openings in plastics drums of nominal capacity 113,6 l to 220 l. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced
25、document (including any amendments) applies. ISO 228-1, Pipe threads where pressure-tight joints are not made on the threads Part 1: Dimensions, tolerances and designation 3 Terms and definitions For the purposes of this document, the following terms and definitions apply. 3.1 plug/bung closure syst
26、em BCS system of one or more components which enables an internally threaded container to be filled or emptied and then secured to provide a leakproof seal for subsequent transport or storage NOTE See Figures A.1 to G.2. 3.2 plug/bung device, provided with an external thread, which closes an opening
27、 in a drum 3.3 plug/bung housing neck that part of the container designed to receive the plug/bung 3.4 gasket washer component which, under compression, facilitates a leakproof seal between the plug/bung and plug/bung housing BS EN ISO 20848-3:20082 3.5 gasket sealing faces those areas of the plug/b
28、ung or plug/bung housing designed to be in contact with the gasket and make the seal 3.6 capseal/overseal cap or fitting attached to the plug/bung housing which incorporates a facility for providing tamper evidence and provides protection against the ingress of foreign matter into the closure 4 Requ
29、irements 4.1 Dimensions The dimensions and tolerances of the closure systems shall conform to the appropriate annexes of this part of ISO 20848 as given in Table 1. Measurements shall be conducted at ambient conditions but shall not be made within 48 h of manufacture. For plug/bung housings, diamete
30、r measurements shall be the mean of at least two readings orientated at 90 to each other. Table 1 Annexes of this part of ISO 20848 specifying dimensions and tolerances for different plug/bung closure system (BCS) types BCS type Applicable annex BCS 70 6 A BCS 56 4 B BCS 38 6 C BCS 24 4 D BCS G2 5 E
31、 BCS G2 11,5 F BCS G3/4 14 G 4.2 Gaskets Gaskets shall be positioned correctly on the plug/bung. 4.3 Closure torque A recommended closure torque, including tolerance, shall be specified. In addition, the appropriate tooling for closing shall be specified. 4.4 Material identification symbol All the p
32、lastics components of the closure systems, excluding gaskets, shall be permanently marked with the relevant material identification symbol, i.e. the symbol identifying the material from which the component is made as shown in Annex H. BS EN ISO 20848-3:200834.5 Materials The plug/bung and gasket, wh
33、ere used, shall be manufactured from materials appropriate to the physical and chemical requirements of their intended use. 4.6 Thread The thread shall be as specified in Figures A.1 to G.2. 4.7 Plug/bung The plug/bung shall be designed so that it can be inserted or removed by means of a simple tool
34、. 4.8 Vented plug/bung For ease of identification when fitted in drums, a vented plug/bung and capseal/overseal shall be coloured yellow. A vented plug/bung used for drums intended to contain dangerous goods should be in accordance with the applicable regulations. A plastic plug should be fitted wit
35、h a capseal/overseal of such a design as to ensure venting is not impeded. 4.9 Finish The nature of the internal and external finish of the plug/bung and gasket shall be appropriate to the physical and chemical requirements of their intended use. NOTE The nature of the internal and external finish s
36、hould be agreed between the purchaser and the supplier. BS EN ISO 20848-3:20084 Annex A (normative) Plug/bung closure system BCS 70 6 A.1 Nomenclature for closure system Dimensions in millimetres Key 1 plastics capseal 2 metal/plastics capseal 3 gasket 4 plug/bung housing 5 plug/bung 6 gasket sealin
37、g faces aMinimum clearance for crimping tool. Figure A.1 Plug/bung closure system BCS 70 6 general view BS EN ISO 20848-3:20085A.2 Dimensions for closure system Dimensions in millimetres aPitch. Figure A.2 Plug/bung closure system BCS 70 6 plastics capseal BS EN ISO 20848-3:20086 Annex B (normative)
38、 Plug/bung closure system BCS 56 4 B.1 Nomenclature for closure system Dimensions in millimetres Key 1 metal capseal 2 plastics capseal 3 gasket 4 plug/bung housing 5 plug/bung 6 gasket sealing faces aMinimum clearance for crimping tool. Figure B.1 Plug/bung closure system BCS 56 4 general view BS E
39、N ISO 20848-3:20087B.2 Dimensions for closure system Dimensions in millimetres Key 1 metal/plastics capseal 2 metal capseal X proposal for sealing geometry aPitch. Figure B.2 Plug/bung closure system BCS 56 4 metal capseal and metal/plastics capseal BS EN ISO 20848-3:20088 Dimensions in millimetres
40、Key 1 plastics capseal Y proposal for sealing geometry aPitch. Figure B.3 Plug/bung closure system BCS 56 4 plastics capseals BS EN ISO 20848-3:20089Dimensions in millimetres Key 1 plug/bung type 4 NU aPitch. Figure B.4 Plug/bung closure system BCS 56 4 plug/bung type 4 NU BS EN ISO 20848-3:200810 D
41、imensions in millimetres Key 1 plug/bung type 4N with G3/4 through hole 2 plug/bung type 6N Figure B.5 Plug/bung closure system BCS 56 4 plug/bung type 4N with G3/4 threaded recess and plug/bung type 6N BS EN ISO 20848-3:200811Annex C (normative) Plug/bung closure system BCS 38 6 C.1 Nomenclature fo
42、r closure system Dimensions in millimetres Key 1 plastics capseal 2 gasket 3 plug/bung housing 4 plug/bung 5 gasket sealing faces aMinimum clearance for crimping tool. Figure C.1 Plug/bung closure system BCS 38 6 general view BS EN ISO 20848-3:200812 C.2 Dimensions for closure system Dimensions in m
43、illimetres aPitch. Figure C.2 Plug/bung closure system BCS 38 6 plastics capseal BS EN ISO 20848-3:200813Annex D (normative) Plug/bung closure system BCS 24 4 D.1 Nomenclature for closure system Dimensions in millimetres Key 1 metal capseal 2 metal/plastics capseal 3 gasket 4 plug/bung housing 5 plu
44、g/bung 6 gasket sealing faces aMinimum clearance for crimping tool. Figure D.1 Plug/bung closure system BCS 24 4 general view BS EN ISO 20848-3:200814 D.2 Dimensions for closure system Dimensions in millimetresKey 1 metal capseal 2 metal/plastics capseal X proposal for sealing geometry aPitch. bMini
45、mum for capseal crimp. Figure D.2 Plug/bung closure system BCS 24 4 metal capseal and metal/plastics capseal BS EN ISO 20848-3:200815Annex E (normative) Plug/bung closure system BCS G2 5 E.1 Nomenclature for closure system Dimensions in millimetres NOTE Two types are illustrated. Key 1 metal capseal
46、 2 metal/plastics capseal 3 gasket 4 plug/bung housing 5 plug/bung 6 gasket sealing faces aMinimum clearance for crimping tool. Figure E.1 Plug/bung closure system BCS G2 5 BS EN ISO 20848-3:200816 E.2 Dimensions for closure system Dimensions in millimetresNOTE 1 Two types are illustrated. NOTE 2 An
47、y combination of theabove types is acceptable. Key 1 plastics capseal 2 metal/plastics capseal 3 thread G3/4 according to ISO 228-1:2000 aPitch. Figure E.2 Plug/bung closure system BCS G2 5 BS EN ISO 20848-3:200817Annex F (normative) Plug/bung closure system BCS G2 11,5 F.1 Nomenclature for closure
48、system Dimensions in millimetres NOTE Two types are illustrated. Key 1 metal capseal 2 metal/plastics capseal 3 gasket 4 plug/bung housing 5 plug/bung 6 gasket sealing faces aMinimum clearance for crimping tool. Figure F.1 Plug/bung closure system BCS G2 11,5 BS EN ISO 20848-3:200818 F.2 Dimensions
49、for closure system Dimensions in millimetresNOTE 1 Two types are illustrated.NOTE 2 Any combination of theabove types is acceptable. Key 1 metal capseal 2 metal/plastics capseal aPitch. bNominal pipe size diameteronly according to ISO 228-1:2000, other dimensions according toANSI B1.20.1. cMaximum ovality = 0,9 mm. Figure F.2 Plug/bung closure system BCS G2 11,5 BS EN ISO 20848-3:200819Annex G (normative) Plug/bung closure s
