BS EN ISO 15995-2010 Gas cylinders - Specifications and testing of LPG cylinder valves - Manually operated《气瓶 液化石油气(LPG)汽缸阀试验和规范 人工操作》.pdf

《BS EN ISO 15995-2010 Gas cylinders - Specifications and testing of LPG cylinder valves - Manually operated《气瓶 液化石油气(LPG)汽缸阀试验和规范 人工操作》.pdf》由会员分享，可在线阅读，更多相关《BS EN ISO 15995-2010 Gas cylinders - Specifications and testing of LPG cylinder valves - Manually operated《气瓶 液化石油气(LPG)汽缸阀试验和规范 人工操作》.pdf（34页珍藏版）》请在麦多课文档分享上搜索。

1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationBS EN ISO 15995:2010Gas cylinders Specificationsand testing of LPG cylindervalves Manually operated(ISO 15995:2006)BS EN ISO 15995:2010 BRITISH STANDARDNational forewordThis Brit

2、ish Standard is the UK implementation of EN ISO15995:2010. It is identical to ISO 15995:2006. It supersedes BS EN13153:2002 and BS ISO 15995:2006 which are withdrawnThe UK participation in its preparation was entrusted to TechnicalCommittee PVE/19, LPG containers and their associated fittings.A list

3、 of organizations represented on this committee can beobtained on request to its secretary.This publication does not purport to include all the necessaryprovisions of a contract. Users are responsible for its correctapplication. BSI 2010ISBN 978 0 580 69008 2ICS 23.020.30; 23.060.40Compliance with a

4、 British Standard cannot confer immunity fromlegal obligations.This British Standard was published under the authority of theStandards Policy and Strategy Committee on 31 July 2010.Amendments issued since publicationDate Text affected.EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN ISO 15995 Ju

5、ne 2010 ICS 23.020.30 Supersedes EN 13153:2001English Version Gas cylinders - Specifications and testing of LPG cylinder valves - Manually operated (ISO 15995:2006) Bouteilles gaz - Spcifications et essais pour valves de bouteilles de GPL - Fermeture manuelle (ISO 15995:2006)Gasflaschen - Spezifikat

6、ion und Prfung von Flaschenventilen fr Flssiggas (LPG) - Handbettigt (ISO 15995:2006) This European Standard was approved by CEN on 20 May 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

7、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

8、 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 Republ

9、ic, 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 N

10、ORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: Avenue Marnix 17, B-1000 Brussels 2010 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN ISO 15995:2010: EBS EN ISO 15995:2010EN ISO 15995:2010 (E) 3 Foreword The text of

11、 ISO 15995:2006 has been prepared by Technical Committee ISO/TC 58 “Gas cylinders” of the International Organization for Standardization (ISO) and has been taken over as EN ISO 15995:2010 by Technical Committee CEN/TC 286 “Liquefied petroleum gas equipment and accessories” the secretariat of which i

12、s held by NSAI. 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 2010, and conflicting national standards shall be withdrawn at the latest by December 2010. Attention is drawn to the possi

13、bility 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 13153:2001. According to the CEN/CENELEC Internal Regulations, the national standards org

14、anizations 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, P

15、ortugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. Endorsement notice The text of ISO 15995:2006 has been approved by CEN as a EN ISO 15995:2010 without any modification. BS EN ISO 15995:2010ISO 15995:2006(E) ISO 2006 All rights reserved iiiContents Page Forewor

16、d iv Introduction v 1 Scope . 1 2 Normative references . 1 3 Terms and definitions. 1 4 Design and specification . 4 4.1 General. 4 4.2 Materials 4 4.3 Essential components 5 4.4 Optional components. 6 4.5 Leak tightness. 7 4.6 Operating torque. 7 4.7 Opening torque . 8 4.8 Closing torque. 8 5 Valve

17、 type test. 8 5.1 General. 8 5.2 Test procedure and test requirements . 8 5.3 External and internal tightness tests (Test nos. 2, 5, 8, 11, 12, 13, 15, 16 and 17). 8 5.4 Hydraulic pressure test (Test no. 1) 10 5.5 External and internal tightness test (Test no. 2) . 10 5.6 Valve closure test (Test no

18、. 3) . 11 5.7 Valve stem test (Test no. 4) . 11 5.8 External and internal tightness test (Test no. 5) . 11 5.9 Hand wheel fire exposure test (Test no. 6) 12 5.10 Impact test (Test no. 7). 12 5.11 External and internal tightness test (Test no. 8) . 13 5.12 Resistance to excessive closing torque test

19、(Test no. 9). 13 5.13 Resistance to excessive opening torque test (Test no. 10) . 13 5.14 External tightness test (Test no. 11). 14 5.15 External and internal tightness test (Test no. 12) . 14 5.16 External and internal tightness test after ageing (Test no. 13) 14 5.17 Endurance test (Test no. 14) 1

20、4 5.18 External and internal tightness test (Test no. 15) . 15 5.19 External and internal tightness test High temperature (Test no. 16) 15 5.20 External and internal tightness test Low temperature (Test no. 17). 15 5.21 Examination of dismantled valves number 9 to 13 (Test number 18). 15 5.22 Accept

21、ance criteria. 15 6 Documentation/Test report 15 6.1 Documentation 15 6.2 Test report . 16 7 Markings 16 Annex A (normative) Valve dimensions. 17 Annex B (normative) Valves for cylinders up to and including 7,5 litre water capacity. 18 Annex C (informative) Production testing and inspection. 20 Anne

22、x D (normative) Special low temperature requirements for valves 21 Bibliography . 22 BS EN ISO 15995:2010ISO 15995:2006(E) iv ISO 2006 All rights reservedForeword ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The

23、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-gover

24、nmental, 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. Th

25、e 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

26、. 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 15995 was prepared by Technical Committee ISO/TC 58, Gas cylinders, Subcommittee SC 2, Cylinder

27、 fittings. BS EN ISO 15995:2010ISO 15995:2006(E) ISO 2006 All rights reserved vIntroduction This International Standard calls for the use of substances and procedures that can be injurious to health if adequate precautions are not taken. It refers only to technical suitability and does not absolve t

28、he user from legal obligations relating to health and safety at any stage. It has been assumed in the drafting of this International Standard that execution of its provisions is entrusted to appropriately qualified and experienced people. BS EN ISO 15995:2010BS EN ISO 15995:2010INTERNATIONAL STANDAR

29、D ISO 15995:2006(E) ISO 2006 All rights reserved 1Gas cylinders Specifications and testing of LPG cylinder valves Manually operated 1 Scope This International Standard specifies the requirements for design, specification and type testing of dedicated LPG manually operated cylinder valves specificall

30、y for use with transportable refillable LPG cylinders from 0,5 l up to 150 l water capacity. It includes references to associated equipment for vapour or liquid service. NOTE Annex C gives the recommendations for production testing and inspection. This International Standard does not apply to fixed

31、automotive installations. 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 document (including any amendments) applies.

32、ISO 10920, Gas cylinders 25E taper thread for connection of valves to gas cylinders Specification ISO 11114-1, Transportable gas cylinders Compatibility of cylinder and valve materials with gas contents Part 1: Metallic materials ISO 11114-2, Transportable gas cylinders Compatibility of cylinder and

33、 valve materials with gas contents Part 2: Non-metallic materials ISO 11116-1, Gas cylinders 17E taper thread for connection of valves to gas cylinders Part 1: Specifications 3 Terms and definitions For the purposes of this document, the following terms and definitions apply. 3.1 liquefied petroleum

34、 gas LPG mixture of predominantly butane or propane with traces of other hydrocarbon gases classified in accordance with UN number 1965, hydrocarbon gas mixture, liquefied, or NOS or UN number 1075, petroleum gases, liquefied NOTE In some countries, UN number 1011 and UN number 1978 may also be used

35、 to designate LPG. 3.2 cylinder valve valve designed for use in one or more of the following applications: liquid filling, liquid service, vapour service or liquid level indication BS EN ISO 15995:2010ISO 15995:2006(E) 2 ISO 2006 All rights reserved3.3 external tightness resistance to leakage throug

36、h the valve body to or from the atmosphere, when the valve is open 3.4 internal tightness resistance to leakage across the valve seat, or other internal sealing components when the valve is closed 3.5 eduction tube tube fitted to the valve to allow withdrawal of liquid LPG with the cylinder in its n

37、ormal operating position 3.6 fixed liquid level gauge control device, such as a dip tube in combination with a vent valve to verify that the predetermined maximum liquid level in a cylinder has been reached or surpassed 3.7 liquid level indicator control device, such as a float gauge, permitting the

38、 gauging of the liquid level in the cylinder 3.8 valve body major valve component including valve stem and/or valve outlet and, where applicable, the provision for other optional components 3.9 excess flow device (flow limiter) device designed to close or partially close when the flow of liquid or v

39、apour passing through it exceeds a predetermined value and to re-open when the pressure differential across the valve has been restored below a certain value 3.10 non-return valve valve designed to close automatically to restrict reverse flow 3.11 vapour/liquid dual valve valve designed to allow vap

40、our and liquid withdrawal from a cylinder in its normal operating position 3.12 sealing element element used to obtain internal leak tightness 3.13 valve stem section of the valve body, which connects to the cylinder 3.14 valve outlet section of the valve body to which a regulator or connector can b

41、e fitted for vapour or liquid withdrawal NOTE The valve outlet is also normally used for filling the cylinder. 3.15 type test test or series of tests conducted to prove that the design meets the requirements of this International Standard BS EN ISO 15995:2010ISO 15995:2006(E) ISO 2006 All rights res

42、erved 33.16 cylinder opening part of the cylinder to which the valve stem connects 3.17 test pressure pressure at which the valve or component is tested in bar gauge 3.18 sediment tube device designed to reduce the risk of foreign matter, which can be in the cylinder, entering the valve 3.19 sealing

43、 cap device fitted to, or integral with, the outlet of the cylinder valve to provide secondary closure 3.20 valve operating mechanism mechanism which closes and opens the valve orifice, e.g. threaded valve spindle which, when rotated, raises and lowers a seal 3.21 sealing mechanism mechanism to obta

44、in internal leak tightness 3.22 operating torque torque during opening or closing the valve, after the first half rotation of the hand wheel in opening the valve and before the last half rotation of the hand wheel in closing the valve 3.23 opening torque initial torque required to open the valve fro

45、m the closed position 3.24 closing torque torque required to close the valve and obtain internal tightness 3.25 protection cap device that may be screwed to a fitting permanently attached to the cylinder to protect a cylinder valve 3.26 shroud/guard device that may be welded to the cylinder to prote

46、ct a cylinder valve 3.27 gross mass mass of the heaviest cylinder on which the valve is intended to be fitted, including any permanently attached accessories and the maximum mass of the LPG content 3.28 pressure relief valve valve which automatically, without the assistance of any energy other than

47、that of the fluid concerned, discharges a quantity of fluid so as to prevent a predetermined safe pressure being exceeded, and which is designed to re-close and prevent the further flow of fluid after normal pressure conditions of service have been restored NOTE The loading due to the fluid pressure

48、 underneath the valve-sealing element is opposed by a spring. BS EN ISO 15995:2010ISO 15995:2006(E) 4 ISO 2006 All rights reserved4 Design and specification 4.1 General 4.1.1 The valve shall be capable of withstanding: operating pressures and test pressures; mechanical stresses, including dynamic lo

49、ads such as pressure shocks or cyclic changes; operating temperatures. NOTE Pressures are gauged unless otherwise specified. 4.1.2 There shall be valve external and internal leak tightness for the full range of pressure and temperature conditions. 4.1.3 The specific requirements relating to the functions, mechanical strength, pressure, operating temperatures, external and internal leak tightness of the valve and its components, are detailed in the following subclauses of this clause and/or in the relevant test of C