AS-1172.2-1999.pdf
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1、AS 1172.21999 (Incorporating Amendment Nos. 1 and 2) Australian Standard Water closet (WC) pans of 6/3 L capacity or proven equivalent Part 2: Cistern AS 1172.21999 Accessed by TAFE QUEENSLAND INSTITUTES on 16 Nov 2007 This Australian Standard was prepared by Committee WS-003, Sanitary Plumbing Fixt
2、ures. It was approved on behalf of the Council of Standards Australia on 11 September 1998. This Standard was published on 5 January 1999. The following are represented on Committee WS-003: Australian Chamber of Commerce and Industry Australian Industry Group Brisbane Water Certification Interest (A
3、ustralia) Department of Land and Water Conservation NSW Housing Industry Association Local Government New Zealand The Institute of Plumbing Australia Water Corporation Western Australia Keeping Standards up-to-date Standards are living documents which reflect progress in science, technology and syst
4、ems. 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 Standards may also be withdrawn.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 Standard, which should include any amendments
5、 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 Standard in the on-line catalogue. Alternatively, the printed Catalogue provides information current at 1 January e
6、ach 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 developed by Standards Australia are published and distributed under contract by SAI Global, which operates the Standar
7、ds 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 via email at mailstandards.org.au, or write to the Chief Executive, Standards Australia, GPO Box 476, Sydney, N
8、SW 2001. This Standard was issued in draft form for comment as 98112. Accessed by TAFE QUEENSLAND INSTITUTES on 16 Nov 2007 AS 1172.21999 (Incorporating Amendment Nos. 1 and 2) Australian Standard Water closet (WC) pans of 6/3 L capacity or proven equivalent Part 2: Cistern Originated as AS B341934.
9、 Previous edition AS 1172.21993. Second edition 1999. Reissued incorporating Amendments Nos 1 and 2 (August 2005). 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, wi
10、thout the written permission of the publisher. Published by Standards Australia GPO Box 476, Sydney, NSW 2001, Australia ISBN 0 7337 2238 5 Accessed by TAFE QUEENSLAND INSTITUTES on 16 Nov 2007 PREFACE This Standard was prepared by the Joint Standards Australia/Standards New Zealand Committee WS/3,
11、Sanitary Plumbing Fixtures. This Standard incorporates Amendments No.1 (August 2002) and No.2 (August 2005). 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. The objective of this
12、Standard is to issue it as an Australian Standard only to include marking, materials, performance testing and common design for flushing cisterns. The term normative has been used in this Standard to define the application of the appendix to which it applies. A normative appendix is an integral part
13、 of a Standard. Accessed by TAFE QUEENSLAND INSTITUTES on 16 Nov 2007 3 AS 1172.21999 CONTENTS Page SECTION 1 SCOPE AND GENERAL 1.1 SCOPE 4 1.2 APPLICATION.4 1.3 REFERENCED DOCUMENTS 4 1.4 DEFINITIONS 5 1.5 MARKING6 SECTION 2 MATERIALS 2.1 GENERAL 7 2.2 DEZINCIFICATION-RESISTANT COPPER ALLOY.7 2.3 V
14、ITREOUS CHINA7 2.4 STAINLESS STEEL .7 2.5 OTHER MATERIALS 7 2.6 CONTAMINATION OF WATER.7 SECTION 3 DESIGN AND MANUFACTURE 3.1 GENERAL 8 3.2 ACCESS8 3.3 BACKFLOW PREVENTION .8 3.4 OVERFLOW.8 3.5 WATER INLET VALVE 8 3.6 INLET CONNECTION.8 3.7 OUTLET VALVE .8 3.8 OUTLET CONNECTION .8 3.9 AIR SEPARATION
15、 DISTANCE.8 3.10 INTEGRAL COMPONENTS9 SECTION 4 PERFORMANCE TESTS 4.1 GENERAL 10 4.2 FRONT THRUST TEST . 10 4.3 DISTORTION AND LEAKAGE TESTS 10 4.4 BACK-SIPHONAGE TEST 10 4.5 ENDURANCE TEST (OUTLET VALVE) 10 4.6 ENDURANCE TEST (INLET VALVE) . 10 4.7 DISCHARGE TEST 10 4.8 FLUSH PIPE RESTRICTOR SETTIN
16、G . 10 APPENDICES A FRONT-THRUST TEST. 12 B BACK-SIPHONAGE TEST 14 C ENDURANCE TESTOUTLET VALVE . 16 D ENDURANCE TESTWATER INLET VALVE 18 E DISCHARGE VOLUME AND FLOW RATE TEST NON-MATCHING SINGLE-FLUSH AND DUAL-FLUSH CISTERNS 20 F DISCHARGE VOLUME TESTMATCHING SETS 22 G PROCEDURE FOR SETTING FLUSH P
17、IPE RESTRICTOR. 23 Accessed by TAFE QUEENSLAND INSTITUTES on 16 Nov 2007 AS 1172.21999 4 Standards Australia .au STANDARDS AUSTRALIA Australian Standard Water closet (WC) pans of 6/3 L capacity or proven equivalent Part 2: Cistern 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
18、 specifies requirements for flushing cisterns which are intended for use with pans of all types. Flushing cisterns may be either single-flush or dual-flush with flushing volumes as marked. 1.2 APPLICATION Flushing cisterns shall comply with this Section and Sections 2 to 4 as follows: (a) Section 2M
19、aterials. (b) Section 3Design and manufacture. (c) Section 4Performance tests. 1.3 REFERENCED DOCUMENTS The following documents are referred to in this Standard. AS 1172 Water closets of 6/3 L capacity 1172.1 Part 1: Pans 1976 Vitreous china used in sanitary appliances 2345 Dezincification resistanc
20、e of copper alloys 3500 National Plumbing and Drainage Code 3500.1 Part 1: Water supply 3855 Suitability of plumbing and water distribution systems products for contact with potable water AS/NZS 2845 Water supplyBackflow prevention devices 2845.1 Part 1: Materials, design and performance requirement
21、s 3500 National Plumbing and Drainage 3500.0 Part 0: Glossary of terms 3500.1.2 Part 1: Water supplyAcceptable solutions 6400 Water efficient productsRating and labelling ASTM A240/A240M Heat-resisting chromium and chromium-nickel stainless steel plate, sheet and strip for pressure vessels A2 Access
22、ed by TAFE QUEENSLAND INSTITUTES on 16 Nov 2007 5 AS 1172.21999 .au Standards Australia 1.4 DEFINITIONS For the purpose of this Standard, the definitions given in AS/NZS 3500.0 and those below apply. 1.4.1 Air separation distance The distance between the outlet of the inlet valve and the spill level
23、 (see Figure 3.1). 1.4.2 Close-coupled cisterns A cistern intended to operate directly coupled to the WC pan or other soil waste fixtures. 1.4.3 Component That part or subassembly of parts, which contributes to the construction of a total assembly by choice or design which will offer variations of f
24、itment for the application of the major element of the product, whether produced by that same manufacturer or not. The component is deemed a vital part of the total assembly and does not inhibit the product from complying with the relevant Australian Standard, or the appropriate specification, when
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