AS-1628-1999.pdf
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1、AS 16281999 (Incorporating Amendment No. 1) Australian Standard Water supplyMetallic gate, globe and non-return valves AS 1628 Accessed by UNIVERSITY OF SOUTH AUSTRALIA on 31 Jul 2008 This Australian Standard was prepared by Committee WS/22, Valves for Water Supply Purposes. It was approved on behal
2、f of the Council of Standards Australia on 15 October 1999 and published on 5 December 1999. The following interests are represented on Committee WS/22: Australian Chamber of Commerce and Industry Australian Chamber of Manufactures Australian Industry Group Australian Valve Manufacturers Association
3、 Hunter Water Corporation Master Plumbers Australia Metal Trades Industry Association of Australia New Zealand Water and Wastes Association Society of Mechanical Engineers Australasia Water Services Association of Australia (WSAA) Keeping Standards up-to-date Standards are living documents which ref
4、lect 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 Standards may also be withdrawn.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 important that readers assure themselves they are using a current
5、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 Australia web site at .au and looking up the relevant Standard in the on-line catalogue. Alternatively, the printe
6、d Catalogue provides information current at 1 January each year, and the monthly magazine, The Australian Standard, has a full listing of revisions and amendments published each month. We also welcome suggestions for the improvement in our Standards, and especially encourage readers to notify us imm
7、ediately of any apparent inaccuracies or ambiguities. Contact us via email at .au, or write to the Chief Executive, Standards Australia International Ltd, GPO Box 5420, Sydney, NSW 2001. This Standard was issued in draft form for comment as DR 99303. Accessed by UNIVERSITY OF SOUTH AUSTRALIA on 31 J
8、ul 2008 AS 16281999 (Incorporating Amendment No. 1) Australian Standard Water supplyMetallic gate, globe and non-return valves Originated as AS B3101971. Previous edition AS 16281994. Final edition 1999. Reissued incorporating Amendment No. 1 (November 2001). COPYRIGHT Standards Australia Internatio
9、nal 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 Standards Australia International Ltd GPO Box 5420, Sydney, NSW 2001, Australia I
10、SBN 0 7337 3036 1 Accessed by UNIVERSITY OF SOUTH AUSTRALIA on 31 Jul 2008 AS 162819992 PREFACE This Standard was prepared by the Joint Standards Australia/Standards New Zealand Committee WS/3, Valves for Water Supply Purposes, to supersede AS 16281994, Water supplyCopper alloy gate, globe and non-r
11、eturn valves. This Standard incorporates Amendment No. 1 (November 2001). The changes required by the Amendment are indicated in the text by a marginal bar and amendment number against the clause, note, table, figure or part thereof affected. This Standard is the result of a consensus among Australi
12、a/New Zealand representatives on the Committee to produce it as an Australian Standard. The objective of this Standard is to include design, materials and type tests required for valves nominated in this Standard. This edition includes modification to the title, amendments and additional smaller DN
13、sizes. 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 a Standard, whereas an informative appendix is only for information and guidance. Statements expressed in mandatory te
14、rms in notes to tables and figures are deemed to be requirements of this Standard. Support and contribution is acknowledged from water authorities, manufacturers, importers and Water Services Association of Australia (WSAA). Accessed by UNIVERSITY OF SOUTH AUSTRALIA on 31 Jul 2008 AS 162819993 CONTE
15、NTS Page SECTION 1 SCOPE AND GENERAL 1.1SCOPE5 1.2REFERENCED DOCUMENTS5 1.3DEFINITIONS5 1.4DESIGNATION OF SIZE.5 1.5MARKING5 1.6ALLOWABLE PRESSURES6 SECTION 2 MATERIALS 2.1SCOPE OF SECTION.7 2.2COPPER .7 2.3COPPER ALLOY.7 2.4STAINLESS STEEL.7 2.5OTHER MATERIALS7 2.6CORROSION-RESISTANT METALLIC MATER
16、IALS8 2.7CONTAMINATION OF WATER 8 SECTION 3 DESIGN AND MANUFACTURE 3.1SCOPE OF SECTION.9 3.2END CONNECTORS.9 3.3INTERCHANGEABILITY OF PARTS9 3.4SCREW THREADS (for factory-assembled components) 9 3.5THICKNESS OF METAL PARTS .10 3.6OPERATING METHODS FOR GATE AND GLOBE VALVES.10 3.7WATERWAY AND FLOW CA
17、PABILITY11 3.8FLOW-WAY AREA.11 3.9FINISH12 SECTION 4 TESTING REQUIREMENTS 4.1SCOPE OF SECTION.13 4.2PRESSURE TESTS 13 4.3WATERTIGHTNESS.13 4.4STRENGTH OF OPERATING MECHANISM 13 4.5STRENGTH OF VALVE ASSEMBLY13 4.6TYPE TESTS13 SECTION 5 GATE AND GLOBE VALVES 5.1SCOPE OF SECTION.14 5.2BODY SEATS14 5.3F
18、ACE-TO-FACE DIMENSIONS14 5.4GATES .15 5.5STEMS .15 5.6BONNETS15 5.7GLANDS 15 Accessed by UNIVERSITY OF SOUTH AUSTRALIA on 31 Jul 2008 AS 162819994 Page SECTION 6 NON-RETURN VALVES 6.1SCOPE OF SECTION.16 6.2DESIGN16 6.3VALVE BODIES16 6.4NON-RETURN MECHANISM17 6.5COVERS.17 APPENDICES ALIST OF REFERENC
19、ED DOCUMENTS.18 BWATERTIGHTNESS TEST.20 CTORQUE TEST FOR OPERATING MECHANISM22 DSTRENGTH TEST FOR VALVE ASSEMBLY.24 Accessed by UNIVERSITY OF SOUTH AUSTRALIA on 31 Jul 2008 AS 16281999 .au Standards Australia 5 STANDARDS AUSTRALIA Australian Standard Water supplyMetallic gate, globe and non-return v
20、alves S E C T I O N 1 S C O P E A N D G E N E R A L 1.1 SCOPE This Standard specifies requirements for metallic gate, globe and non-return valves of nominal sizes DN 8 to DN 100 for use in hot and cold water applications where the operating temperature does not exceed 99C. 1.2 REFERENCED DOCUMENTS A
21、 list of the documents referred to in this Standard is given in Appendix A. 1.3 DEFINITIONS For the purpose of this Standard, the definitions given in AS/NZS 3500.0 and those below apply. 1.3.1 Component That part, or a sub-assembly of parts, which contribute to the construction of a total assembly
22、by choice or design which may offer variations of fitment for the application to the major element of the product, whether produced by that same manufacturer or not. 1.3.2 Dashpot A device, usually an integral component of a valve, designed for the purpose of reducing the fluid velocity or damping v
23、ibration in the valve and the associated connected pipework system. 1.4 DESIGNATION OF SIZE The size of a valve that is nominally designated shall be the nominal size of the pipe with which it is intended to be used. 1.5 MARKING 1.5.1 Marking requirements All valves shall be legibly marked by a cast
24、ing or indenting process with the following: (a)Manufacturers name or mark. (b)Nominal size. (c)Maximum operating pressure (d)An arrow (), permanently marked on the handwheel, showing the openclosure operating direction. (e)In the case of non-return valves, an indication on the top of the valve show
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