AS-4567-2005.pdf
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1、AS 45672005 Australian Standard Twin wall metal fluesGas appliances AS 45672005 Accessed by UNIVERSITY OF SOUTH AUSTRALIA on 10 Mar 2008 This Australian Standard was prepared by Committee AG-006, Gas Installation Committee. It was approved on behalf of the Council of Standards Australia on 10 Januar
2、y 2005. This Standard was published on 21 February 2005. The following are represented on Committee AG-006: AGA Certification Services Australian Liquefied Petroleum Gas Association Energy Networks Association Gas Appliance Manufacturers Association of Australia Gas Technical Regulators Committee Ke
3、eping Standards up-to-date Standards are living documents which reflect progress in science, technology and systems. To maintain their currency, all Standards are periodically reviewed, and new editions are published. Between editions, amendments may be issued. Standards may also be withdrawn. It is
4、 important that readers assure themselves they are using a current Standard, which should include any amendments which may have been published since the Standard was purchased. Detailed information about Standards can be found by visiting the Standards Web Shop at .au and looking up the relevant Sta
5、ndard in the on-line catalogue. Alternatively, the printed Catalogue provides information current at 1 January each year, and the monthly magazine, The Global Standard, has a full listing of revisions and amendments published each month. Australian StandardsTM and other products and services develop
6、ed by Standards Australia are published and distributed under contract by SAI Global, which operates the Standards Web Shop. We also welcome suggestions for improvement in our Standards, and especially encourage readers to notify us immediately of any apparent inaccuracies or ambiguities. Contact us
7、 via email at mailstandards.org.au, or write to the Chief Executive, Standards Australia, GPO Box 5420, Sydney, NSW 2001. Accessed by UNIVERSITY OF SOUTH AUSTRALIA on 10 Mar 2008 AS 45672005 Australian Standard Twin wall metal fluesGas appliances Originated as AG 6051975. Previous edition AG 6051994
8、. Republished and redesignated as AS 45672005. COPYRIGHT Standards Australia All rights are reserved. No part of this work may be reproduced or copied in any form or by any means, electronic or mechanical, including photocopying, without the written permission of the publisher. Published by Standard
9、s Australia, GPO Box 5420, Sydney, NSW 2001, Australia ISBN 0 7337 6471 1 Accessed by UNIVERSITY OF SOUTH AUSTRALIA on 10 Mar 2008 AS 45672005 2 PREFACE This Standard was reviewed by the Standards Australia Committee, AG-006, Gas Installation Committee, to supersede AG 6051987, Approval Requirements
10、 For Twin Wall Metal Flues. The Standard is republished without technical alterations. The objective of this Standard is to provide manufacturers, designers, regulatory authorities, testing laboratories and similar organizations with uniform minimum requirements for the safety, performance and use o
11、f twin wall metal flues. This Standard should not be regarded as a design specification or as an instruction manual. In its preparation, consideration has been given to (a) continuity of satisfactory operation; (b) the prevention of fire hazards, and explosions; (c) the prevention of injury to perso
12、ns or property; (d) gas rules and regulations now in force; and (e) relevant International Standards. The terms normative and informative have been used in this Standard to define the application of the appendix to which they apply. A normative appendix is an integral part of the Standard, whereas a
13、n informative appendix is only for information and guidance. Statements expressed in mandatory terms in notes to tables and figures are deemed to be requirements of this Standard. Accessed by UNIVERSITY OF SOUTH AUSTRALIA on 10 Mar 2008 3 AS 45672005 CONTENTS Page SECTION 1 GENERAL 1.1 SCOPE 4 1.2 C
14、LASSIFICATION.4 1.3 DEFINITIONS 4 SECTION 2 DESIGN AND CONSTRUCTION 2.1 MATERIALS 6 2.2 CONSTRUCTION.6 2.3 DESIGN 6 2.4 MARKINGS7 2.5 INSTRUCTIONS 8 SECTION 3 REQUIREMENTS FOR TYPE 1 TWIN WALL FLUES 3.1 COMPONENTS9 3.2 SIZES9 3.3 SUPPORT PLATES9 3.4 FLUE CONNECTION ELBOW AND ELBOW HOUSING .9 SECTION
15、 4 REQUIREMENTS FOR TYPE 2 TWIN WALL FLUES 4.1 COMPONENTS 11 4.2 SIZES 11 4.3 SUPPORT PLATES 11 4.4 FLUE CONNECTION ELBOW AND ELBOW HOUSING . 11 SECTION 5 REQUIREMENTS FOR TYPE 3 TWIN WALL FLUES 5.1 COMPONENTS 13 5.2 SIZES 13 SECTION 6 PERFORMANCE 6.1 GENERAL 14 6.2 OPERATING CHARACTERISTICS 14 6.3
16、MECHANICAL STRENGTH . 14 APPENDICES A FIGURES . 15 B METHODS OF TEST 22 C LIST OF REFERENCED DOCUMENTS . 30 Accessed by UNIVERSITY OF SOUTH AUSTRALIA on 10 Mar 2008 AS 45672005 4 Standards Australia .au STANDARDS AUSTRALIA Australian Standard Twin wall metal fluesGas appliances S E C T I O N 1 G E N
17、 E R A L 1.1 SCOPE These requirements cover twin wall flue and components, excluding flue cowls (refer AS 4566), used for flueing gas appliances with a maximum flue gas temperature of 270C. Flue approved in accordance with these requirements is not suitable for installation where it is inaccessible
18、and subject to continuous condensation. 1.2 CLASSIFICATION Twin wall flues shall be classified according to type as follows: (a) Type 1 Rectangular twin wall flues designed for installation within standard wall cavities of 75 mm nominal width and for appliances with a gas consumption not exceeding 5
19、0 MJ/h. (b) Type 2 Twin wall flues designed for installation within standard wall cavities of 95 mm nominal width and for appliances with a gas consumption not exceeding 50 MJ/h. (c) Type 3 Other twin wall flues not exceeding 300 mm nominal diameter or equivalent. 1.3 DEFINITIONS For the purpose of
20、this Standard, the following definitions apply: 1.3.1 Approved Acceptable to, and meeting the prescribed standards of, the authority having jurisdiction. 1.3.2 Authority The authority having jurisdiction or such authority as delegated. (Technical regulator). 1.3.3 Base plate A device used to support
21、 the weight of the appliance and to locate it. 1.3.4 Certified Assessed by a certifying body and having a certificate number to demonstrate compliance with a Standard. 1.3.5 Certifying body A body acceptable to the technical regulator that provides assurance of compliance of appliances and component
22、s with nominated Standards and other accepted safety criteria. 1.3.6 Draught diverter A device, without moving parts, fitted in the flue of an appliance for isolating the combustion system from the effects of pressure changes in the secondary flue. Accessed by UNIVERSITY OF SOUTH AUSTRALIA on 10 Mar
23、 2008 5 AS 45672005 .au Standards Australia 1.3.7 Flue The passage through which flue gases are conveyed from an appliance to a discharge point excluding draught diverter, barometric device, fan or similar part. 1.3.8 Flue connection A device incorporated in an appliance for the connection of a flue
24、 or draught diverter, barometric device, fan or similar part. NOTE: Where the draught diverter, barometric device, fan or similar component is an integral part of the appliance, the discharge point of the integral part shall be deemed to be the flue connection. 1.3.9 Flue connection elbow A right an
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