BS EN 12729:2002
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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Devices to prevent pollution by backflow of potable water. Controllable backflow preventer with reduced pressure zone. Family B. Type A
Hardcopy , PDF
09-03-2023
English
30-04-2009
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Denomination
5 Designation
6 Symbolization
7 Physico-chemical characteristics
7.1 Materials
7.2 Nature of the materials
8 Design
8.1 General
8.2 Relief valve
9 Characteristics and tests
9.1 General
9.2 General tolerances
9.3 Expression of the results
9.4 Dimensional characteristics
9.5 Mechanical characteristics
9.6 Tightness characteristics
9.7 Hydraulic characteristics
10 Order of testing
11 Marking and technical documents
11.1 Marking
11.2 Technical documents
12 Presentation at delivery
Annex A (informative) Examples of presentation of test results
Bibliography
Describes the field of application, the dimensional, the physico-chemical, the design, the hydraulic, the mechanical, and the acoustic characteristics of controllable backflow preventer with reduced pressure zone Family B Type A.
| Committee |
B/504/-/14
|
| DevelopmentNote |
Supersedes 97/101031 DC (02/2003) Reviewed and confirmed by BSI, November 2008. (11/2008)
|
| DocumentType |
Standard
|
| Pages |
36
|
| PublisherName |
British Standards Institution
|
| Status |
Superseded
|
| SupersededBy | |
| Supersedes |
| Standards | Relationship |
| ONORM EN 12729 : 2003 | Identical |
| NF EN 12729 : 2003 | Identical |
| UNI EN 12729 : 2003 | Identical |
| UNE-EN 12729:2003 | Identical |
| NS EN 12729 : 1ED 2003 | Identical |
| EN 12729:2002 | Identical |
| I.S. EN 12729:2002 | Identical |
| SN EN 12729 : 2002 | Identical |
| NBN EN 12729 : 2003 | Identical |
| NEN EN 12729 : 2002 | Identical |
| DIN EN 12729:2003-02 | Identical |
| ISO 3822-1:1999 | Acoustics Laboratory tests on noise emission from appliances and equipment used in water supply installations Part 1: Method of measurement |
| EN 1717:2000 | Protection against pollution of potable water in water installations and general requirements of devices to prevent pollution by backflow |
| ISO 7-1:1994 | Pipe threads where pressure-tight joints are made on the threads Part 1: Dimensions, tolerances and designation |
| ISO 6509:1981 | Corrosion of metals and alloys Determination of dezincification resistance of brass |
| ISO 9227:2017 | Corrosion tests in artificial atmospheres — Salt spray tests |
| ISO 3822-3:1997 | Acoustics Laboratory tests on noise emission from appliances and equipment used in water supply installations Part 3: Mounting and operating conditions for in-line valves and appliances |
| EN ISO 6509:1995 | Corrosion of metals and alloys - Determination of dezincification resistance of brass (ISO 6509:1981) |
| EN 1092-2:1997 | Flanges and their joints - Circular flanges for pipes, valves, fittings and accessories, PN designated - Part 2: Cast iron flanges |
| EN 1267:2012 | Industrial valves - Test of flow resistance using water as test fluid |
| ISO 228-1:2000 | Pipe threads where pressure-tight joints are not made on the threads Part 1: Dimensions, tolerances and designation |
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