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AS 2845.2-2010

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by

Water supply - Backflow preventions devices Registered air gaps and registered break tanks

Available format(s)

Hardcopy , PDF 1 User , PDF 3 Users , PDF 5 Users , PDF 9 Users

Language(s)

English

Published date

30-06-2010

Superseded date

27-06-2025

Superseded by

AS/NZS 2845.2:2025

£31.84
Excluding VAT
Summarise this standard

1 - AS 2845.2-2010 WATER SUPPLY-BACKFLOW PREVENTIONS DEVICES - REGISTERED AIR GAPS AND REGISTERED BREAK TANKS
4 - PREFACE
5 - CONTENTS
6 - FOREWORD
7 - 1 SCOPE
7 - 2 NORMATIVE REFERENCES
7 - 3 DEFINITIONS
7 - 3.1 Air gap-Water supply system
7 - 3.2 Accessible
7 - 3.3 Break tank
7 - 3.4 Register
7 - 3.5 Spill level
8 - 3.6 Storage tank
8 - 4 DESIGN
8 - 4.1 General
8 - 4.2 Break tanks
8 - 4.2.1 General
9 - 4.2.2 Type A break tank unobstructed air gap
9 - 4.2.3 Type B break tank air gap with overflow
11 - 4.2.4 Type C break tank air gap with diverter and overflow
12 - 4.2.5 Type E hygienic break tank
12 - 5 MARKING
12 - 5.1 Air gaps
12 - 5.2 Break tanks
13 - APPENDIX A - STORAGE TANKS-INFLOW AND OVERFLOW METHOD OF CALCULATION
13 - A1 GENERAL
13 - A2 INFLOW RATE
16 - A3 OVERFLOW SIZE AND SPILL LEVEL
17 - A4 AIR GAP
17 - A5 HEIGHT OF INLET ABOVE INVERT LEVEL OF OVERFLOW

AS 2845.2-2010 specifies requirements for registered air gaps including those incorporated in break tanks used as backflow prevention devices for the protection of water supplies.

Committee
WS-023
DevelopmentNote
Standard has been given Pending Revision status.
DocumentType
Standard
ISBN
978 0 7337 9598 5
Pages
12
ProductNote
Pending Revision indicates that as a result of the Aged Standards review process, the document needs updating. If no project proposal, meeting the quality criteria, is received within the 12 month timeframe, the document shall be withdrawn.
PublisherName
Standards Australia
Status
Superseded
SupersededBy
Supersedes

This Standard specifies requirements for registered air gaps, including those incorporated in break tanks, used as backflow prevention devices for the protection of water supplies.

First published as AS 2845.2-1994.
Third edition 2010.

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A newer version of this standard is available.

View Current Edition
£31.84
Excluding VAT