1、BSI Standards PublicationWB11885_BSI_StandardCovs_2013_AW.indd 1 15/05/2013 15:06Gas cylinders 17E and 25E taper threads for connection of valves to gas cylindersPart 1: Specifications (ISO 11363-1:2018)BS EN ISO 11363-1:2018National forewordThis British Standard is the UK implementation of EN ISO 1
2、1363-1:2018. It is identical to ISO 11363-1:2018. It supersedes BS EN ISO 11363-1:2010, which is withdrawn.The UK participation in its preparation was entrusted to Technical Committee PVE/3/1, Gas containers - Valve fittings for gas containers.A list of organizations represented on this committee ca
3、n be obtained on request to its secretary.This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. The British Standards Institution 2018 Published by BSI Standards Limited 2018ISBN 978 0 580 92239 8ICS 23.020.35; 21.
4、040.30Compliance with a British Standard cannot confer immunity from legal obligations.This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 March 2018.Amendments/corrigenda issued since publicationDate Text affectedBRITISH STANDARDBS EN ISO 113
5、63-1:2018EUROPEAN STANDARDNORME EUROPENNEEUROPISCHE NORMEN ISO 113631February 2018ICS 23.020.35 Supersedes EN ISO 11363-1:2010, EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMIT EUROPEN DE NORMALISATIONEUROPISCHES KOMITEE FR NORMUNGCENCENELEC Management Centre: Avenue Marnix 17, B1000 Brussels 2018 CEN Re
6、f. No. EN ISO 11363-1:2018: EAll rights of exploitation in any form and by any means reserved worldwide for CEN national MembersGas cylinders - 17E and 25E taper threads for connection of valves to gas cylinders - Part 1: Specifications (ISO 11363-1:2018)Bouteilles gaz - Filetages coniques 17E et 25
7、E pour le raccordement des robinets sur les bouteilles gaz - Partie 1 : Spcifications (ISO 11363-1:2018)Gasflaschen - 17E und 25E kegeliges Gewinde zur Verbindung von Ventilen mit Gasflaschen - Teil 1: Spezifikationen (ISO 11363-1:2018)This European Standard was approved by CEN on 25 September 2017.
8、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 a
9、pplication 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
10、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, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, La
11、tvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom.English VersionEN ISO 113631:2018 (E)European forewordThis document (EN ISO 11363-1:2018) has been prepared by Technical Committee ISO
12、/TC 58 “Gas cylinders“ in collaboration with Technical Committee CEN/TC 23 “Transportable gas cylinders”, the secretariat of which is held by BSI.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 Au
13、gust 2018, and conflicting national standards shall be withdrawn at the latest by August 2018.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 doc
14、ument supersedes EN ISO 11363-1:2010.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, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugosl
15、av Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom.Endorsement noticeThe text of ISO 11363-1:2
16、018 has been approved by CEN as EN ISO 11363-1:2018 without any modification.2BS EN ISO 11363-1:2018ISO 113631:2018Foreword ivIntroduction v1 Scope .12 Normative references 13 Terms and definitions .13.1 General . 13.2 Terms relating to cones .24 Requirements 44.1 Thread rotation 44.2 Taper 44.3 Thr
17、ead profile 44.4 Pitch, P .44.5 Dimensions .45 Thread end finish .66 Marking 8Bibliography 9 ISO 2018 All rights reserved iiiContents PageBS EN ISO 11363-1:2018ISO 113631:2018ForewordISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO
18、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, govern
19、mental 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.The procedures used to develop this document and those intended for its further maintenan
20、ce are described in the ISO/IEC Directives, Part 1. In particular the different approval criteria needed for the different types of ISO documents should be noted. This document was drafted in accordance with the editorial rules of the ISO/IEC Directives, Part 2 (see www.iso.org/directives).Attention
21、 is drawn to the possibility that some of the elements of this document may be the subject of patent rights. ISO shall not be held responsible for identifying any or all such patent rights. Details of any patent rights identified during the development of the document will be in the Introduction and
22、/or on the ISO list of patent declarations received (see www.iso.org/patents).Any trade name used in this document is information given for the convenience of users and does not constitute an endorsement.For an explanation on the voluntary nature of standards, the meaning of ISO specific terms and e
23、xpressions related to conformity assessment, as well as information about ISOs adherence to the World Trade Organization (WTO) principles in the Technical Barriers to Trade (TBT) see the following URL: www.iso.org/iso/foreword.html.This document was prepared by Technical Committee ISO/TC 58, Gas cyl
24、inders, Subcommittee SC 2, Cylinder fittings.This second edition cancels and replaces the first edition (ISO 11363-1:2010), which has been technically revised to allow option C by modifying Figure 2. It also incorporates the Technical Corrigenda ISO 11363-1:2010/Cor 1:2011 and ISO 11363-1:2010/Cor 2
25、:2012.A list of all parts in the ISO 11363 series can be found on the ISO website.iv ISO 2018 All rights reservedBS EN ISO 11363-1:2018ISO 113631:2018IntroductionGas cylinders intended to contain compressed, liquefied or dissolved gas under pressure are fitted with accessories to allow release and r
26、efilling of gas. Hereinafter, the term “valve” will apply to such accessories.Where the connection between cylinder and valve is obtained by assembly of two taper threads (and external one on the valve stem and an internal one in the cylinder neck), both will have the same nominal taper, thread pitc
27、h and thread profile. ISO 2018 All rights reserved vBS EN ISO 11363-1:2018This page deliberately left blankGas cylinders 17E and 25E taper threads for connection of valves to gas cylinders Part 1: Specifications (ISO 11363-1:2018)1 ScopeThis document specifies dimensions and tolerances for taper scr
28、ew threads of nominal diameter 17,4 mm (designated as 17E) and 25,8 mm (designated as 25E) used for the connection of valves to gas cylinders.It does not cover the connection requirements for mechanical strength, gas tightness, and capability of repeated assembly and dismounting operations.Gauge ins
29、pection is covered by ISO 11363-2.2 Normative referencesThere are no normative references in this document.3 Terms and definitionsFor the purposes of this document, the following terms and definitions apply.ISO and IEC maintain terminological databases for use in standardization at the following add
30、resses: IEC Electropedia: available at http:/www.electropedia.org/ ISO Online browsing platform: available at http:/www.iso.org/obp3.1 General3.1.1basic profiletheoretical profile, when the profile of the external thread coincides with the profile of the internal thread3.1.2design profileprofile whi
31、ch differs from the basic profile due to the radius of the root, necessary for manufacturing and strength requirementsNote 1 to entry: For such a profile, manufacturing tolerances are taken into account.INTERNATIONAL STANDARD ISO 113631:2018 ISO 2018 All rights reserved 1BS EN ISO 11363-1:2018ISO 11
32、3631:20183.1.3length of external threadl2length of full form thread on the valve stem (3.1.8), measured along the cone axis from the reference plane A (3.4.3)Note 1 to entry: See Figure 1, Table 1 and Table 3.3.1.4length of internal threadL2length of full form thread in the cylinder neck, measured a
33、long the cone axis from the reference plane F (3.4.5)Note 1 to entry: See Figure 1, Table 2 and Table 4.3.1.5pitchPdistance, measured parallel to the cone surface, between two homologous points of two parallel consecutive flanks of the same threadNote 1 to entry: See Figures 2 and 3.3.1.6taperratio
34、of the difference of two diameters corresponding to planes normal to the axis of the reference cone, and the axial distance between the same planesNote 1 to entry: Taper can be expressed as a ratio, as an angle or as a percentage.3.1.7thread profilethread shape obtained by the intersection of a plan
35、e through the thread axis and the threaded surface3.1.8valve stemtapered end of the valve body (inlet connection), with a thread formed on the external surface of the truncated coneNote 1 to entry: See Figure 1.3.1.9cylinder neck threadtapered axial hole in the cylinder neck, with a thread formed on
36、 the internal surface of the truncated coneNote 1 to entry: See Figure 1.3.2 Terms relating to cones3.2.1major conecone bounding the crests of the thread of the valve stem (3.1.8), or the roots of the cylinder neck thread (3.1.9)3.2.2minor conecone bounding the roots of the thread, of the valve stem
37、 (3.1.8), or the crests of the cylinder neck thread (3.1.9)2 ISO 2018 All rights reservedBS EN ISO 11363-1:2018ISO 113631:20183.2.3pitch conecone passing coaxially and midway between the major (3.2.1) and minor cones (3.2.2)3.3 Terms relating to diameter (see Figure 1)3.3.1major diameterd1ediameter
38、of the major cone (3.2.1) at the valve stem (3.1.8) thread reference plane A (3.4.3) (before any chamfer is cut)3.3.2major diameterD1ediameter of the major cone (3.2.1) at reference plane G (3.4.6)3.3.3minor diameterd1idiameter of the minor cone (3.2.2) at the valve stem (3.1.8) thread reference pla
39、ne A (3.4.3) (before any chamfer is cut)3.3.4minor diameterD1idiameter of the minor cone (3.2.2) at reference plane G (3.4.6)3.3.5pitch diameterd1pdiameter of the pitch cone (3.2.3) at the valve stem (3.1.8) thread reference plane A (3.4.3) (before any chamfer is cut)3.3.6pitch diameterd2pdiameter o
40、f the pitch cone (3.2.3) at reference plane B (3.4.4)3.3.7pitch diameterD1pdiameter of the pitch cone (3.2.3) at reference plane G (3.4.6)3.3.8pitch diameterD2pdiameter of the pitch cone (3.2.3) at reference plane F (3.4.5) (before any chamfer is cut)3.4 Terms relating to reference (see Figure 1)3.4
41、.1reference lengthl1reference dimension being the distance between the parallel reference planes A (3.4.3) and B (3.4.4)3.4.2reference lengthL1reference dimension being the distance between the parallel reference planes F (3.4.5) and G (3.4.6) ISO 2018 All rights reserved 3BS EN ISO 11363-1:2018ISO
42、113631:20183.4.3reference plane Areference plane coincident with the small end face of the threaded valve stem (3.1.8) and corresponding to diameters d1i(3.3.3), d1p(3.3.5) and d1e(3.3.1)3.4.4reference plane Breference plane at a distance l1(3.4.1) from reference plane A (3.4.3) and corresponding to
43、 diameter d2p(3.3.6)3.4.5reference plane Freference plane coincident with the entry section face of the cylinder neck thread (3.1.9) and corresponding to pitch diameter D2p(3.3.8)3.4.6reference plane Greference plane at a distance L1(3.4.2) from reference plane F (3.4.5)and corresponding to diameter
44、 D1e(3.3.2), D1p(3.3.7) and D1i(3.3.4)4 Requirements4.1 Thread rotationThe thread shall be a right-hand thread, such that it moves away from an observer when rotated clockwise.4.2 TaperThe nominal values for the taper are the following: taper ratio: 3/25; taper angle: 6 52; taper slope: 12 %.4.3 Thr
45、ead profileThe thread profile is a British Standard Whitworth (BSW) form with a 55 angle. The form and thread height measurements are perpendicular to the cone surface (see Figure 3).NOTE BSW is a coarse thread devised and standardized in 1841 by British engineer Sir Joseph Whitworth (1803-87). It h
46、as an angle of thread of 55 and ranges in size from 1/16 in to 2 1/2 in. It is used in many types of engineering throughout the world, although in the UK, its use is now being superseded by the ISO metric system (see ISO 68-1).It is crucial that the thread profile is cut in this way and not perpendi
47、cular to the axis of the cone.4.4 Pitch, P The nominal pitch is 1,814 mm (derived from 25 414,mm ) (see Figure 3).4.5 DimensionsDimensions are given in Figure 1 and the values are given in Table 4.4 ISO 2018 All rights reservedBS EN ISO 11363-1:2018ISO 113631:2018Dimensions in millimetresa) Valve st
48、em thread profileb) Cylinder neck thread profileKeyD1p, D2ppitch diameter A reference plane, AL1, l1, l2reference length B reference plane, BL2length of internal thread F reference plane, Fd1emajor diameter G reference plane, Gd1iminor diameterd1ppitch diameterd2ppitch diameterFigure 1 Thread refere
49、nce planes and diametersTable 1 Valve stem thread dimensions for 17EDimensions in millimetresValve stemMajor diameterPitch diameterMinor diameterPitch diameterReference lengthMinimum length of full form threadd1ed1pd1id2pl1l2Dimension 17,28 16,118 14,956 18,638 21 21Tolerance0012+ ,0012+ ,0012+ ,0012+ , ISO 2018 All rights reserved 5BS EN ISO 11363-1:2018ISO 113631:2018Table 2 Cylinder neck thread dimensions for 17EDimensions in millimetresCylinder neck threadMajor diameterPitch diameterMinor diameterPitch d
