Standard
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AS 3952-2002
[Current]Water supply — Spring hydrant valve for waterworks purposes
Specifies requirements for flanged ductile cast iron spring hydrant valves with resilient seat for waterworks purposes. This Standard is applicable to Class 16 valves of nominal size DN 80 with either DN 80 or DN 100 flange with a maximum working temperature of 60 degrees Celsius. The valve is intended for use with potable water and is operated by means of the attachment of a standpipe.
Published: 11/01/2002
Pages: 14
Table of contents
Cited references
Content history
Table of contents
Header
About this publication
Preface
1 Scope and general
1.1 Scope
1.2 Referenced documents
1.3 Definitions
1.4 Designation of size
1.5 Allowable pressures
2 Materials and components
2.1 Materials
2.2 Dezincification-resistant materials
2.3 Contamination of water
3 Design
3.1 Design
3.2 End connections
3.2.1 Flanged ends
3.3 Component design
3.3.1 General
3.3.2 Body
3.3.3 Yoke
3.3.4 Dome
3.3.5 Body to yoke connection
3.4 Operation
4 Protective coatings
5 Performance tests
5.1 Type tests
5.1.1 Body design pressure test
5.1.2 Flow test
5.1.3 Resilient seat hydrostatic test
5.1.4 Resilient seat infiltration test
5.2 Production tests
5.2.1 General
5.2.2 Body hydrostatic test
5.2.3 Resilient seat hydrostatic test
5.2.4 Coating tests
6 Marking
Appendix A
A1 Scope
A2 Product certification
A3 Minimum sampling and testing frequency plan
A3.1 General
A3.2 Retesting
A3.3 Valve batch
A3.4 Production batch
A3.5 Lot
A3.6 Sample
A3.7 Sampling plan
A3.8 Batch release test (BRT)
A3.9 Type testing (TT)
Appendix B
Appendix C
C1 General
C2 Information to be supplied by the purchaser
C3 Information to be supplied by the manufacturer
C4 Matters for agreement between the purchaser and the manufacturer
Appendix D
Appendix E
Cited references in this standard
ASTM A276
Stainless steel bars and shapes
ASTM A240/A240M
Heat-resisting chromium and chromium-nickel stainless steel plate, sheet and strip for pressure vessels
SAI/SANZ HB 18.28
Guidelines for third-party certification and accreditation, Guide 28: General rules for a model third-party certification scheme for products (ISO/IEC Guide 28)
[Current]
Thermal-bonded polymeric coatings on valves and fittings for water industry purposes
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