AS 1172.2-1999

1 - AS 1172.2-1999 WATER CLOSET (WC) PANS OF 6/3 L CAPACITY OR PROVEN EQUIVALENT - CISTERN
4 - PREFACE
5 - CONTENTS
6 - SECTION 1 SCOPE AND GENERAL
6 - 1.1 SCOPE
6 - 1.2 APPLICATION
6 - 1.3 REFERENCED DOCUMENTS
7 - 1.4 DEFINITIONS
7 - 1.4.1 Air separation distance
7 - 1.4.2 Close-coupled cisterns
7 - 1.4.3 Component
7 - 1.4.4 Concealed or in-wall cistern
7 - 1.4.5 Discharge capacity
7 - 1.4.6 Linkages
7 - 1.4.7 Matching set cistern
7 - 1.4.8 Matched performance set
7 - 1.4.9 Overflow level
7 - 1.4.10 Proven equivalent
7 - 1.4.11 Spill level
8 - 1.5 MARKING
9 - SECTION 2 MATERIALS
9 - 2.1 GENERAL
9 - 2.2 DEZINCIFICATION-RESISTANT COPPER ALLOY
9 - 2.3 VITREOUS CHINA
9 - 2.4 STAINLESS STEEL
9 - 2.5 OTHER MATERIALS
9 - 2.6 CONTAMINATION OF WATER
10 - SECTION 3 DESIGN AND MANUFACTURE
10 - 3.1 GENERAL
10 - 3.2 ACCESS
10 - 3.3 BACKFLOW PREVENTION
10 - 3.4 OVERFLOW
10 - 3.5 WATER INLET VALVE
10 - 3.6 INLET CONNECTION
10 - 3.7 OUTLET VALVE
10 - 3.8 OUTLET CONNECTION
10 - 3.9 AIR SEPARATION DISTANCE
11 - 3.10 INTEGRAL COMPONENTS
12 - SECTION 4 PERFORMANCE TESTS
12 - 4.1 GENERAL
12 - 4.2 FRONT THRUST TEST
12 - 4.3 DISTORTION AND LEAKAGE TESTS
12 - 4.4 BACK-SIPHONAGE TEST
12 - 4.5 ENDURANCE TEST (OUTLET VALVE)
12 - 4.6 ENDURANCE TEST (INLET VALVE)
12 - 4.7 DISCHARGE TEST
12 - 4.7.1 Non-matching sets
12 - 4.7.2 Matching sets
12 - 4.8 FLUSH PIPE RESTRICTOR SETTING
14 - APPENDIX A - FRONT-THRUST TEST
14 - A1 SCOPE
14 - A2 PRINCIPLE
14 - A3 APPARATUS
14 - A4 PROCEDURE
14 - A5 TEST REPORT
16 - APPENDIX B - BACK-SIPHONAGE TEST
16 - B1 SCOPE
16 - B2 PRINCIPLE
16 - B3 APPARATUS
16 - B4 PROCEDURE
17 - B5 TEST REPORT
18 - APPENDIX C - ENDURANCE TEST-OUTLET VALVE
18 - C1 SCOPE
18 - C2 PRINCIPLE
18 - C3 APPARATUS
18 - C4 PROCEDURE
19 - C5 TEST REPORT
20 - APPENDIX D - ENDURANCE TEST-WATER INLET VALVE
20 - D1 SCOPE
20 - D2 PRINCIPLE
20 - D3 APPARATUS
20 - D4 PROCEDURE
21 - D5 TEST REPORT
22 - APPENDIX E - DISCHARGE VOLUME AND FLOW RATE TEST-NON-MATCHING SINGLE-FLUSH AND DUAL-FLUSH CISTERNS
22 - E1 SCOPE
22 - E2 PRINCIPLE
22 - E3 APPARATUS
22 - E4 PROCEDURE
22 - E4.1 Discharge flow rate
23 - E4.2 Discharge flush volume
23 - E5 TEST REPORT
24 - APPENDIX F - DISCHARGE VOLUME TEST-MATCHING SETS
24 - F1 SCOPE
24 - F2 PRINCIPLE
24 - F3 APPARATUS
24 - F4 PROCEDURE
24 - F5 TEST REPORT
25 - APPENDIX G - PROCEDURE FOR SETTING FLUSH PIPE RESTRICTOR
25 - G1 SCOPE
25 - G2 PRINCIPLE
25 - G3 APPARATUS
25 - G4 PROCEDURE
26 - G5 VERIFICATION OF FLUSH PIPE RESTRICTION DEVICE

Specifies requirements for flushing cisterns which are intended for use with pans of all types.

This Standard 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.

First published as AS B34-1934.
Revised and redesignated AS A52-1946.
Revised and redesignated AS 1218-1972.
Second edition 1990.
Revised and redesignated in part as AS 1172.2-1993.
Second edition 1999.