BS EN ISO 11363-1-2010 气瓶.气瓶阀门连接用17E和25E椎管螺纹.第1部分规范.pdf

BS EN ISO 11363-12010 ICS 21.040.30; 23.020.30 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW BRITISH STANDARD Gas cylinders 17E and 25E taper threads for connection of valves to gas cylinders Part 1 Specifications ISO 11363-12010 This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 July 2010 BSI 2010 ISBN 978 0 580 63328 7 Amendments/corrigenda issued since publication Date Comments BS EN ISO 11363-12010 National foreword This British Standard is the UK implementation of EN ISO 11363-12010. It supersedes BS EN 629-11996 and BS EN ISO 11116-11999 which are withdrawn.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 can 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. Compliance with a British Standard cannot confer immunity from legal obligations. 标准分享网 w w w .b z f x w .c o m 免费下载 w w w . b z f x w . c o m EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN ISO 11363-1 May 2010 ICS 23.020.30 Supersedes EN 629-11996, EN ISO 11116-11999 English Version Gas cylinders - 17E and 25E taper threads for connection of valves to gas cylinders - Part 1 Specifications ISO 11363- 12010 Bouteilles gaz - Filetages coniques 17E et 25E pour le raccordement des robinets sur les bouteilles gaz - Partie 1 Spcifications ISO 11363-12010 Gasflaschen - 17E und 25E kegeliges Gewinde zur Verbindung von Ventilen mit Gasflaschen - Teil 1 Spezifikationen ISO 11363-12010 This European Standard was approved by CEN on 23 January 2010. 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, Croatia, 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 COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre Avenue Marnix 17, B-1000 Brussels 2010 CEN All rights of exploitation in any and by any means reserved worldwide for CEN national Members. Ref. No. EN ISO 11363-12010 E w w w . b z f x w . c o m BS EN ISO 11363-12010 EN ISO 11363-12010 E 3 Foreword This document EN ISO 11363-12010 has been prepared by Technical Committee ISO/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 November 2010, and conflicting national standards shall be withdrawn at the latest by November 2010. 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. This document supersedes EN 629-11996, EN ISO 11116-11999. 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, 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 11363-12010 has been approved by CEN as a EN ISO 11363-12010 without any modification. 标准分享网 w w w .b z f x w .c o m 免费下载 w w w . b z f x w . c o m BS EN ISO 11363-12010 ISO 11363-12010E ISO 2010 – All rights reserved iii Contents Page Foreword ............................................................................................................................................................iv Introduction.........................................................................................................................................................v 1 Scope......................................................................................................................................................1 2 Terms and definitions...........................................................................................................................1 2.1 General ...................................................................................................................................................1 2.2 Terms relating to cones........................................................................................................................2 2.3 Terms relating to diameter ...................................................................................................................2 2.4 Terms relating to reference..................................................................................................................3 3 Requirements.........................................................................................................................................4 3.1 Thread handedness...............................................................................................................................4 3.2 Taper.......................................................................................................................................................4 3.3 Thread profile.........................................................................................................................................4 3.4 Pitch, P....................................................................................................................................................4 3.5 Dimensions ............................................................................................................................................4 4 Thread end finish...................................................................................................................................7 5 Marking...................................................................................................................................................8 Bibliography........................................................................................................................................................9 w w w . b z f x w . c o m BS EN ISO 11363-12010 ISO 11363-12010E iv ISO 2010 – All rights reserved 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 2. 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 document may be the subject of patent rights. ISO shall not be held responsible for identifying any or all such patent rights. ISO 11363-1 was prepared by Technical Committee ISO/TC 58, Gas cylinders, Subcommittee SC 2, Cylinder fittings. This first edition of ISO 11363-1 cancels and replaces ISO 109201997 and ISO 11116-11999. ISO 11363 consists of the following parts, under the general title Gas cylinders 17E and 25E taper threads for connection of valves to gas cylinders ⎯ Part 1 Specifications ⎯ Part 2 Inspection gauges 标准分享网 w w w .b z f x w .c o m 免费下载 w w w . b z f x w . c o m BS EN ISO 11363-12010 ISO 11363-12010E ISO 2010 – All rights reserved v Introduction Gas cylinders intended to contain compressed, liquefied or dissolved gas under pressure are fitted with accessories to allow release and refilling of gas. Hereinafter, the term “valve” will apply to such accessories. The connection between cylinder and valve is obtained by assembly of two taper-threads an external one on the valve stem and an internal one in the cylinder neck, both having the same nominal taper, thread pitch and thread profile. w w w . b z f x w . c o m BS EN ISO 11363-12010 标准分享网 w w w .b z f x w .c o m 免费下载 w w w . b z f x w . c o m BS EN ISO 11363-12010 INTERNATIONAL STANDARD ISO 11363-12010E ISO 2010 – All rights reserved 1 Gas cylinders 17E and 25E taper threads for connection of valves to gas cylinders Part 1 Specifications 1 Scope This part of ISO 11363 specifies dimensions and tolerances for taper screw threads of nominal diameter 17,4 mm designated 17E and 25,8 mm designated 25E used for the connection of valves to gas cylinders. It does not cover the connection requirements for ⎯ mechanical strength; ⎯ gas tightness; ⎯ capability of repeated assembly and dismounting operations. Gauge inspection is covered by ISO 11363-2. 2 Terms and definitions For the purposes of this document, the following terms and definitions apply. 2.1 General 2.1.1 basic profile theoretical profile, when the profile of the external thread coincides with the profile of the internal thread 2.1.2 design profile design profile differs from the basic profile due to the radius of the root, necessary for manufacturing and strength requirements NOTE For such a profile, manufacturing tolerances are taken into account. 2.1.3 length of external thread, l2 length of full thread on the valve stem, measured along the cone axis from the reference plane A NOTE See Figure 1, Table 1 and Table 3. 2.1.4 length of internal thread, L2 length of full thread in the cylinder neck, measured along the cone axis from the reference plane F w w w . b z f x w . c o m BS EN ISO 11363-12010 ISO 11363-12010E 2 ISO 2010 – All rights reserved NOTE See Figure 1, Table 2 and Table 4. 2.1.5 pitch P distance, measured parallel to the cone surface, between two homologous points of two parallel consecutive flanks of the same thread NOTE See Figures 2 and 3. 2.1.6 taper ratio of the difference of two diameters corresponding to planes normal to the axis of the reference cone, and the axial distance between the same planes NOTE Taper can be expressed as a ratio, as an angle or as a percentage. 2.1.7 thread profile thread shape obtained by the intersection of a plane through the thread axis and the threaded surface 2.1.8 valve stem tapered end of the valve body inlet connection, with a thread ed on the external surface of the truncated cone NOTE See Figure 1. 2.1.9 cylinder neck thread tapered axial hole in the cylinder neck, with a thread ed on the internal surface of the truncated cone NOTE See Figure 1. 2.2 Terms relating to cones 2.2.1 major cone cone bounding the crests of the thread of the valve stem, or the roots of the cylinder neck thread 2.2.2 minor cone cone bounding the roots of the thread, of the valve stem, or the crests of the cylinder neck thread 2.2.3 pitch cone cone passing, coaxially and midway, between the major and minor cones 2.3 Terms relating to diameter NOTE See Figure 1. 2.3.1 major diameter, d1e diameter of the major cone at the valve stem thread reference plane A before any chamfer is cut 2.3.2 major diameter, D1e diameter of the major cone at reference plane G 标准分享网 w w w .b z f x w .c o m 免费下载 w w w . b z f x w . c o m BS EN ISO 11363-12010 ISO 11363-12010E ISO 2010 – All rights reserved 3 2.3.3 minor diameter, d1i diameter of the minor cone at the valve stem thread reference plane A before any chamfer is cut 2.3.4 minor diameter, D1i diameter of the minor cone at reference plane G 2.3.5 pitch diameter, d1p diameter of the pitch cone at the valve stem thread reference plane A before any chamfer is cut 2.3.6 pitch diameter, d2p diameter of the pitch cone at reference plane B 2.3.7 pitch diameter, D1p diameter of the pitch cone at reference plane G 2.3.8 pitch diameter, D2p diameter of the pitch cone at reference plane F before any chamfer is cut 2.4 Terms relating to reference NOTE See Figure 1. 2.4.1 reference length, l1 reference dimension being the distance between the parallel reference planes A and B 2.4.2 reference length, L1 reference dimension being the distance between the parallel reference planes F and G 2.4.3 reference plane A reference plane coincident with the small end face of the threaded valve stem and corresponding to diameters d1i, d1p and d1e 2.4.4 reference plane B reference plane at a distance l1 from reference plane A and corresponding to diameter d2p 2.4.5 reference plane F reference plane coincident with the entry section face of the cylinder neck thread and corresponding to pitch diameter D2p 2.4.6 reference plane G reference plane at a distance L1 from reference plane F and corresponding to diameter D1e, D1p and D1i w w w . b z f x w . c o m BS EN ISO 11363-12010 ISO 11363-12010E 4 ISO 2010 – All rights reserved 3 Requirements 3.1 Thread handedness The thread shall be a right-hand thread, such that it moves away from an observer when rotated clockwise. 3.2 Taper The nominal values for the taper are the following. ⎯ Taper ratio 3/25. ⎯ Taper angle 6 52′. ⎯ Taper slope 12 . 3.3 Thread profile The thread profile is a British Standard Whitworth BSW1 with a 55 angle.